Climate and the History of Egypt -The Middle Kingdom

Climate and the History of Egypt: The Middle Kingdom Author(s): Barbara Bell Source: American Journal of Archaeology, Vol. 79, No. 3 (Jul., 1975), pp. 223-269 Published by: Archaeological Institute of America Stable URL: http://www.jstor.org/stable/503481 . Accessed: 04/09/2013 15:09 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp

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Climate

and

the

History

of

Egypt:

The Middle Kingdom' BARBARA TABLE

BELL

OF CONTENTS

Introduction and Survey of Dynasty XII ...................................

.....

224

Nile Levels from the Middle Kingdom .... 226 .................................................................. of Senw I ......... osret 226 Reign Evidencefrom Nubia..................................................................................... 229 ............ ............................................................................... WLs) High waterlevels (H........ 229 ......................................................... Low waterlevels (LWLs) ............................................. ......236 Volum e of the great Sem na floods 238 ................................................................................ Evidence from Egypt ..... 245 .................. .............................................

Rainfallin the MiddleKingdom

247 ...........................................................................

E g y pt ...................... ........ ........................... ............................................

Nubia

....................................... ...............

247

. . 248

Lake M oeris and the Fayum ........................................................... Early Dynastic ........................................ Old Kingdom ....................................... ...........................252 M iddle K ingdom .......................... .................. Lake Moeris and the levels of the Nile ......... .................................

249 252

Some historical implications of the great floods .....................................

257

Decline of the Middle Kingdom

260 ........................................

D is c u ssio

n.................................................................................................................... References .......................................................... Abstract

The first major section of this paper (p. 226f) surveys evidence bearing on the level of the Nile during the Middle Kingdom and the Second Intermediate Period, I991 to ca. 1570 B.C. With the exception of the analysis of the range of a "good flood" in the reign of Senwosret I, most of the evidence comes from excavations stimulated by the building of the High Dam at Aswan, from nowflooded sites in Nubia, and from the inscriptions on the cliffs at the Semna region of the Second Cataract, long-known and troublesome because commemorating flood levels 8 to II m. above the modern from some 27 years in the reigns of King Amenemhet III and his immediate successors. Previous hypotheses II take this opportunity to thank Professors William Y. Adams (University of Kentucky), Karl W. Butzer (University of Chicago), and William Kelley Simpson (Museum of Fine Arts, Boston; Yale University) for their generous interest and encouragement in this work; each of them read the semi-final draft and made valuable suggestions and comments. I received also a number of useful suggestions from Prof. Sterling Dow

254 255

265 266

are discussed and rejected, and the inscriptions are interpreted literally as indicating actual great floods; the peak volume, in those years for which records exist at Semna, is estimated to have been 3 to 4 times that of the larger floods recorded at Aswan since A.D. 1870. These floods are interpreted as reflecting a climate fluctuation of only a few decades' duration and are not seen as typical of the Middle Kingdom, which appears otherwise to have had floods similar to those of modern times. Review of textual and architectural evidence bearing on rainfall suggests that the Middle Kingdom had conditions similar to those of the A.D. i8oos, with heavy rainfalls somewhat less rare than in the present century. (Boston College). The chronology followed in this paper is that of the revised but Cambridge Ancient History, particularly Hayes (i96I), the chronology of the XIIth Dynasty is known with exceptional exactness, so that there should be no significant difference among various authorities.

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224

BARBARA BELL

The second major section (p. 249f) presents evidence bearing on the level of Lake Moeris. It is concluded that the lake was in free connection with the Nile from Neolithic to Ptolemaic times when the level was artificially reduced. It appears that more than seasonal fluctuations in the lake level occurred from time to time (especially during the Neolithic), with possible interruptions in the free connection, as during the very low Niles and drought of the First Dark Age. If the connection then was restored with human aid, it appears most likely this was done early in the XIIth Dynasty under Amenemhet I. The third principal section (p. 25If) discusses possible cultural and historical influences of the great floods recorded at Semna in the last reigns of Dynasty XII and early in Dynasty XIII, both while they were occurring and upon their cessation. There is no evidence that the decline in material prosperity and strength of the central government under Dynasty XIII was associated with any such severe failure of the floods and famine as brought on the First Dark Age. The few known famine inscriptions, from El Kab ca. 1750 B.C., do not suggest the most dire conditions of earlier inscriptions. However it is postulated that the cessation of the great floods, after the Egyptians had become accustomed to them, required a readjustment of the irrigation system in a period of political weakness and uncertainty about the proper order of royal succession, thus creating a sort of vicious circle which made the period "darker" than it need have been from either of these factors occurring alone and, under the Egyptian dogma of divine Kingship with the Pharaoh as "rain maker," or more exactly "flood maker," accounts in some degree for the very numerous and short reigns characterizing Dynasty XIII. INTRODUCTION

AND SURVEY

OF DYNASTY

XII

[AJA 79

the furtherhypothesisthat this failureof the floods in Egypt-most severebetweenca.2180 andca. 2135 B.C.,andagainfor a few yearsbetweenca.2005and 1992B.C.-was only partof a widespreadclimatic fluctuationin the directionof greateraridity.The droughtwas severe.It playeda significantand perhaps decisiverole in the collapseof many centers of culture which flourished during the Early BronzeAge, all the way from Greece2throughthe Near East to the IndusValley,and so broughton the FirstDarkAge of AncientHistoryas a whole. In the presentpaper,insteadof proceedingimmediatelyto considera laterDark Age, I proposeto continuewith anothertheme implicit in the first paper, viz. the intermediateclimatic history of Egypt. I propose,that is, to survey the evidence relatingto climatefrom the foundingof the XIIth Dynasty by Amenemhet I in 1991 B.C. to the dis-

integrationof the Middle Kingdom in the 1700s. In Egypt of coursethe essentialclimaticfactoris the level of the Nile in the seasonof its annual flood.If the cropsare to grow well, the floodmust be sufficientto overflowthe fieldsand preparethem for the sowing of the seeds. DynastyXII, ca. 1991 to ca. 1780B.C.,was a periodof strongcentralgovernmentand generalprosperity,one of the high pointsof ancientEgyptian civilization.""When through the success of the state,"and (I would add) throughthe returnof the Nile to generousfloods,"the12th DynastyPharaohs demonstratedtheir capacityto be gods, they became once more the arbitersand dispensersof ma'at.To this the Egyptianpeoplewere assenting. They were well fed and busyand awareof oppor-

In a previousarticle(Bell 1971),I advancedthe hypothesisthat the First Dark Age in Egyptian history(generallyknown as the First Intermediate Period) was broughton by a prolongedand severe deficiencyin the annualfloodsof the Nile. The consequent famine, amply attestedby surviving inscriptions,precipitated(I suggested) the collapse ca. 2180 B.C. of the centralmonarchyof the Old Kingdom, which was already weakened by the

There was, to be sure,no ecologicallysignificant revivalof the rainsover the desert,certainlyno return of the Neolithic Wet Phase (see Bell 1971). Although rainfall, occurring only in occasional cloudbursts,was too rare to be useful, the Nile inundationswere evidentlyadequateor morethan adequateduringDynastyXII. I shall discusswhat can be known of floodlevelsduringDynastiesXII

operation of social and political forces. I introduced

and XIII in a major section of this paper. From

2

In the previous paper (Bell 1971:5-6), I noted that the radiocarbondates associated with the House of Tiles at Lerna (late EH II) corrected to ca. 2500 B.C., suggesting association of the end of EB II in Greece with the end of the Neolithic Wet Phase rather than with the Egyptian I)ark Age. Recently published radiocarbondates from the EM II phase at Myrotos, Crete (Q-95o/53, RC 12; and Q-0oo2/4, RC 14) average to

tunities for advancement" (Wilson 1956:143)-

good agreement with the Lerna dates, being 2020 B.C. uncorrected and ca. 2500 B.C. corrected. And Korucu Tepe in eastern Anatolia yields two dates (P-1628, RC 13, and M-2376, RC 14) for the end of EB II, which also average close to 2000 B.C. uncorrected. a New date, required by Hintze's discovery of an inscription dated to year 13 of Amenemhet IV; see note ii.

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CLIMATE AND THE HISTORY OF EGYPT

1975]

DynastyXII, Vandier(1936) was ableto find only one text referringto famine,viz. an inscriptionin the tomb of one Ameny,Nomarchof Beni Hasan during the reign of Senwosret'I. The Nomarch Ameny states(Breasted1906:523): ... Whenyearsof faminecame,I plowedall the fieldsof theOryxNome,as faras its southern and northernboundaries,preservingits people alive,and furnishingits food so that therewas nonehungrytherein.... ThencamegreatNiles, of grainandof all things,(but) I did producers not collectthe arrearsof the field(taxes) ... This inscriptionno doubtgivesa pictureof the normal situationin a year of low Nile, which must haveoccurredfrom time to time throughoutEgyptian history,thoughrarelywith such severityas in the Dark Ages at the end of the Old Kingdomand again between Dynasties XI and XII. Vandier notes that Griffithbelievesthat the inscriptionof Mentuhotep,son of Hepi, dated to year 25 of an unnamedking, refersto the same famineas Ameny's inscription;but Vandierhimself would place it in the reign of MentuhotepII, while Goedicke (JEA 1962:25-35)arguesfor a still earlierdating, under Inyotef II, both kings of DynastyXI (see Bell 1971 :I6-I9).

225

OutsideEgypt,the XIIth Dynastyregainedfirm dominionover Lower Nubia in the reign of Senwosret I, who conductedat least two campaigns there,in his year9 (year 29 of AmenemhetI, ioyearco-regency)and in year18; and he beganthe constructionof a seriesof forts in the vicinityof the Second Cataract(Emery 1965:141-52; 1967). Nubia apparentlyremained peaceful during the reignsof his son and grandson,but SenwosretIII, a moremilitary-minded pharaohthanhis two predecessors,found reasonto conductin personat least four majormilitarycampaignsin UpperNubia.At the time of thesecampaigns,SenwosretIII ordered the buildingof additionalfortsandthe enlargement of those alreadyin existence,so that they formed altogethera most formidablearray,containingfeaturesof militaryarchitecture not previouslyknown before the Middle Ages (Emery 1965:I02). SenwosretIII establishedSemna-the most important sourceof data on the flood-levelsof this era-as the officialfrontierof his kingdom, and pacified Nubia so thoroughlythat in latercenturieshe was worshippedas one of the primedeitiesof the area. It is now thoughtthat the Nubian fortswerebuilt as a defensivemeasureagainstKush, an apparently powerfulstate in Upper Nubia (Trigger 1965; Emery 1965) aboutwhich little is yet known, but which the Egyptiansmust have considereddangerous.In additionthe fortsservedto protectriver trafficand tradewith the south at points (i.e. the vulnerable cataracts)whereboatswereparticularly to marauders,and where cargoeshad to be portaged or towed through; this indeed may have been the primaryfunction of the forts (Adams

But such yearsof famine were not typicalof the reign of SenwosretI, which was in general"a periodof greateconomicdevelopment.The provincial cemeteriesthroughoutthe countrydisplaythe very greatwealthof the nomesat this time"(Vercoutter 1967:369).And the king himselfwas able to build extensively,"fromAlexandriato Aswanthereis no importantsite wherehe has not left his trace,"with at least 35 sites revealingarchitecturalruins from 1971). his time; his reign was "one of the most glorious The reign of the sixth king of Dynasty XII, Amenin Egyptianhistory"(ibid). emhet III (1842-1797B.C.), son and successorof So also in the provinces.During all of the first Senwosret III, is generally considered to be the four reigns of Dynasty XII-viz. Amenemhet I most prosperous of the Middle Kingdom. Nubia (1991-1962

B.C.),

Senwosret

I (1971-1928),

Ame-

nemhet II (1929-1895),and SenwosretII (I8971878)5-the provincialnobles continuedto build fine largetombsin theirseveralterritories.Mostof these seriesof tombs come to an end during the

was under firm control. Egyptian power was acknowledged by many of the princes of western Asia

(Hayes I96I:48),althoughthe preciserelationship

between these princes and the pharaoh is still quite uncertain. Mining activity was at a high reign of the fifth king, Senwosret III (1878-I843), level, as indicated by many inscriptions from the a fact which is usually taken as evidence that Sen- turquoise mines of Sinai and the diorite quarriesof wosret III was able to break the power of the pro- Nubia (Hayes 1961). Amenemhet III was able to vincial nobility and replace them by administrators build for himself two pyramids, one at Dahshur subject to direct royal control. near that of his father and one near the entrance 4Alternately written Senusret; Greek, Sesostris. " The overlapping dates are correct, reflecting periods of co-

regency between the old king and his heir.

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226

BARBARA BELL

[AJA 79

to the Fayum Basin at Hawara,althoughthe rea- cient known recordsof the Nile floods, which cover

son he wanted a second pyramid remains unknown.

in a fragmentary way the period from ca. 3050 to

He also erectedtwo colossalseatedstatuesof him- ca. 2480 B.C. These records indicate that the floods self at Biahmu, which Herodotusreportsas lo- averaged 0.70 m. (or more, depending upon the catedin the middleof Lake Moeris-a description assumption about the zero of the scale) higher in which has given rise to much controversy, which

the vicinity of Old Memphis (near Cairo) during Dynasty I than in subsequent centuries. The next known figures date from the reign of Senwosret I of Dynasty XII, and state that a "good flood" had a level of about 21.5 cubits (11.3 m.) at Elephantine (Aswan), 12.5 cubits (6.6 m.) at the "house of the Inundation" near Old Cairo, and 6.5 cubits (3.4 m.) ever, Herodotus attributes the Labyrinth not to at Diospolis in the northern Delta (Kees 196i:50; Moeris (Ny-maat-re,Amenemhet) but to a com- JEA 30:34). The highest surviving figure from the mittee of 12 kings immediately preceding Psam- earlier records is about 8 cubits (4.2 m.) and the metichus,the founder of Dynasty XXVI in 664 average from Dynasties II-V is 1.8 m. Because there B.C.6 is no reason to believe the floods were higher in the time of Senwosret I than in the early period, but NILE LEVELS FROM THE MIDDLE KINGDOM on the contrary some reason-viz. the location of Reign of SentwosretI (1971t-928 B.C.). In a note the valley temples associated with the royal pyraelsewhere (Bell 1970), i discussed the most an- mids-to believe they were lower, it seems clear

we shalldiscussbelowin the sectionon the Fayum. III has often been creditedalso with Amenemnhet the erectionof the Labyrinth,a structureidentified by some as the mortuarytempleof his pyramidat Hawara,and describedby Herodotusas a "wonder surpassingeven the pyramids."Actually,how-

6 The dating of the Labyrinth remains controversial. Arguments for the late date have been presented most recently by K. Michalowski (1968 JEA 54:219), while A.B. Lloyd (1970 attributes the Labyrinth to Amenemhet III. JEA 56:8I-Ioo) The following description of the results of his explorations of the site of the Labyrinth by Lepsius (1853:83, 89-91) may be of interest, particularly to classical scholars interested in assessing the reliability of Herodotus on matters Egyptian (see also note 37): "Here we have been, on the southern side of the Pyramid of Moeris, since the 23rd May, and are settled among the ruins of the Labyrinth; for I was certain from the first, after we had made but a hasty survey of the whole, that we are perfectly entitled to designate them under this name: I did not, however, imagine that it would have been so easy for us to become convinced of this . . I caused some excavators to be levied from the surrounding villages . . . and ordered them to make trenches through the ruins, and to dig at four or five places at once .. "These lines are written to you from the distinctly recognised of Moeris and the Dodecarchs, ... An immense Labyrinth cluster of chambers still remains, and in the centre lies the great square, where the courts once stood, covered with the remains of large monolithic granite columns, and of others of white hard limestone, shining almost like marble. . . . At the first superficial survey of the ground, a number of complicated spaces, of true labyrinthine forms, immediately presented themselves, both above and below ground, and the eye could easily detect the principal buildings, more than a stadium (Strabo) in extent. Where the French expedition had vainly sought for chambers, we literally at once find hundreds of them, both next to, and above one another, small, often diminutive ones, beside greater ones, and large ones, supported by small columns, with thresholds, and niches in the walls, with remains of columns, and single casing stones, connected by corridors, without any regularity in the entrances and exits, so that the descriptions of Herodotus and Strabo, in this respect, are fully justified. But at the same time also, the opinion, which was never adopted by me, and is irreconcilable with any archi-

tectonic view, that there are serpentine, case-like windings, in place of square rooms, is decidedly refuted. "The whole is so arranged, that three immense masses of buildings, 300 feet broad, enclose a square place, which is 600 feet long and 5oo feet wide. The fourth side, one of the narrow ones, is bounded by the Pyramid, which lies behind it; it is 300 feet square, and therefore does not quite reach the side wings of the above-mentioned masses of buildings. A canal of rather modern date, passing obliquely through the ruins . . . cuts off exactly the best preserved portion of the labyrinthian chambers, together with part of the great central square, which at one time was divided into courts . . . . the chambers lying on the farther side, especially their southern point, where the walls rise nearly ten feet above the rubbish, and about twenty feet above the base of the ruins, are to be seen very well even from . . . the eastern side; and viewed from the summit of the Pyramid, the regular plan of the whole design lies before one as on a map. Erbkam has been occupied ever since our arrival, in making the special plan, on which every chamber or wall, however small, will be noted down...." (see Lepsius' Denkmdler V.1, Abt. I, BI. 4648). The fragments of the mighty columns and architraves "... which we have dug up from the great square of the halls, exhibit the name-shields of [Amenemhet III]. . . . We have several times found the name of [Amenemhet III in a chamber which lay in front of the Pyramid beneath a great quantity of rubbish]. . ... The builder and occupier of the Pyramid is therefore determined. But this does not refute the statement of Herodotus, that the Dodecarchs, only 200 years before his time, had undertaken the building of the Labyrinth. We have found no inscriptions in the ruins of the great masses of chambers which surround the central space. It may be easily proved by future excavations that this whole building, and probably also the disposition of the twelve courts, belong only, in fact, to the 26th Dynasty of Manetho, so that the original temple of [Amenemhet III] formed merely part of this gigantic architectural enclosure."

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CLIMATE AND THE HISTORY OF EGYPT

19751

. ..i......ii

to the evidence of surviving inscriptions,some years of Niles so low as to cause severe famine occurred, particularlybetween ca. 2180 and ca. 2135 B.C. As has been argued (Bell 1971), this drought in all probability precipitated the collapse of the Old Kingdom. The floods ca. 2500 B.C. on the old scale averaged around 1.8 m. (or 1.3 m.) above the unknown zero, so that the water must have failed to reach even the zero level in some of the famine years. This, together with the collapse of the central government, may well have led to the abandonment of the old Nilometer and the subsequent adoption of a new one with a lower zero point. We should note the fact that the figures given by Senwosret I describe a "good flood," not any particular actual flood. It is reasonable to believe, however, that in fact the floods were "good," for Egyptologists agree that the reign of this king was a time of high prosperity for Egypt. Moreover his father, Amenemhet I (g1991-962, including io years co-regency) claimed in his Instructions to

....

:.ii ij•i ......... ....................... S

.ARA

.A

INAI

M ENI. f.AY.. ASYT THEBES

BDO

ELKAB

/ 0/OR/RE

25::iiiii- • ! ii:

3N

ELEPHANTINE

CATARACT

/SLo

K KUN

OUARRY

ABSIMBEL

TOSHKTA

WoBI HALFA

KERMA SCATARAC ARGO K DONGOLA*

--

his son (Wilson 1955:418; see also Bell 1971:1820): "The Nile honored me on every broad ex-

JEBAELBE NAOTA

MEROWE

5/h CATARAC

KHARTOUM

AUSo MBE

227

panse"; that is, the inundations were liberal. The figures of Senwosret I for the vicinity of Cairo (6.6 m.) would be the same as the average rise of 6.6 m. from minimum to maximum at the Roda Nilometer (also near Cairo) over the period from the seventh century A.D. to 1890, as given

.........

by Popper (1951:225);

the average rise for the

that we must infer that the zero point of the scale, if it was ever fixed, was changed at some time between the Vth and XIIth Dynasties. It is most reasonable to suppose that this change, a lowering of the zero-point, occurred during the First Intermediate Period (First Dark Age) when, according

years A.D. 642-1521 he gives as 6.5 m., while his century-averages range from 6.i to 6.94 m., and the years A.D. 1822-1891 give 6.74 m. Thus it is reasonableto infer that the floods in the vicinity of Cairo in the early part of Dynasty XII were close to those of recent centuries, with the zero-point of the ancient scale being at or near the average LWL (low water level). But see note 22. By a similar interpretation of Senwosret's figure from Elephantine (Aswan), however, ratherhigher floods would be indicated. The range for the years A.D.' 1870-1902 is 8.0 m., and the highest Io-day mean (in 1878) is 9.0 m. above the average LWL (low water level), compared with a value of I1.3 m. given by Senwosret I. Extrapolation8of the present Aswan gauge-discharge curve, shown in ill. i

7 Numerical data on modern gauge levels and flood volumes, unless otherwise credited, were obtained from The Nile Basin, vols. II, III, IV, and their supplements, produced by H.E. Hurst, assisted in the earlier years by P. Phillips, and later by R.P. Black and Y.M. Simaika, published by the Ministry of

Public Works, Nile Control Department, Cairo, 1933-1963. 8A word of caution is in order. Throughout the paper, whenever extrapolationsare used, it should be borne in mind that these can be no more than rough approximations,particularly as I have a cross-sectionof the channel to the highest relevant

MALA LAL

0

10,

MAP I.

The Nile Valleyand vicinity:open

circles, ancient sites; filled circles, modern towns

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BARBARA BELL

228

[AJA 79

Aswan cataractthan in the alluvial valley of Lower Egypt, although of course a quayside scale could also perfectly well have a zero below (or above) 100// LWL." It is also possible, even probable, that the zeros of the two Nilometers were fixed at different -SEMNA, MK -i times. Since Dynasty XII originated from Thebes, which was the capital of the preceding (XIth) Dynasty, one could easily conceive that the Elephan~95 E tine Nilometer was established at an earlier time 8 x F1878 when the LWL may have been lower. If we assume w - AV 1870-99--1946-o .JW ,' that the "good flood" of Senwosret I was similar to the larger modern floods, which amount to about z 90< 1913 i xxo"m."/day, with HWL at about 94.o m., then the zero of the gauge would have been at 82.7 m. SHWL Such a zero may have been fixed arbitrarilybelow LWL the average LWL, but it is tempting to imagine that it was set in a period of exceptionally low -- AV 1870-99 -85 LWL such as that just preceding the establishment - 1900-I of Dynasty XII by Amenemhet I in 1991 B.C., I 3 5 2 3 when according to the Prophecy of Neferty (Erm3 x 108 per day man 1927; Bell 1971:71): "The river of Egypt is empty, men cross over the water on foot." ILL. I. The Nile at Aswan: gauge levels There is however another factor in the problem plottedagainstvolume of discharge,from of interpreting the levels given by Senwosret I, a Hurst et al (1946:123) and extrapolation factor which in pharaonic times must have served (dashed lines) above level of modern floods to enlarge the difference between the Elephantine (from Hurst, Black, and Simaika 1946:I23), sug- and the Memphis/Cairo readings. This factor is gests that a flood of I1.3 m. above LWL at Aswan the lake in the Fayum basin. It is generally agreed would have a peak volume of 14xto I6xio"m.3/day,9 that since Ptolemaic times this lake has taken off an insignificant fraction of the Nile floodabout double that of the average for 1870-1940 (Io- only mean and some to waters. But earlier, from pre-Neolithic down to - 8.4xio'm.'/day) day 30 40 of flood of than that the great percent greater 1878 Ptolemaic times, according to some authorities which rose above the average (e.g. Petrie 1889; Ball 1939), the lake was in more (II.4xio"m.'/day) LWL to 9.0 m. at Aswan and 8.36 m. at Roda or less free connection with the Nile through the (Cairo). Hawara channel, and served to reduce flood levels This sort of discrepancy between flood levels at in Lower Egypt by draining off a portion of the Elephantine and at Cairo is found in Greek and floodwaters. Water would then return to the river Roman times as well. It has been discussed by L. Borchardt in his monograph "Nilmesser and Nil- in the low season (Ball i939), and the action of standmarken" (see also Kees i96i:50). The dis- the lake would diminish the range at Cairo, and crepancy could be explained (Lyons i906:315) by everywhere downstream of the Hawara channel assuming that the Egyptians used a zero point be- near Beni Suef, relative to that at Elephantine. The level of the Fayum lake in pre-Ptolemaicanlow mean LWL at Elephantine, which would be a more feasible thing to do among the rocks of the cient times has long been a subject of controversy NILE VOLUME, m3 x 108 per day

2

4

6

8

10

20

40

60

80

levels only for Semna (from Lyons 19o6:26o; and Ball 1903). If the actual channel width suddenly increases at some gauge level within the range of interest, the extrapolationswill underestimate the volume of flow. 9 Explanation of symbols: m' = cubic meters; 1o0 = hundred millions = Ioo,ooo,ooo (eight zeros); i6xio8m'/day = sixteen hundred million cubic meters per day. LWL = low water level; HWL = high water level or height of the flood.

10 However

Lyons's further idea of a gradient of zero-points

differing from that of the river is a rather inherently implausible idea which should not be accepted without a re-examination of the floods throughout the centuries and millennia. Toussoun of the data free from any predispositionto assume a constancy considers it evident that the scales of the various (1925:265) Nilometers found throughout Egypt have no deliberate relation to one another.

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19751

CLIMATE AND THE HISTORY OF EGYPT

among scholars. I shall discuss it at some length later in this paper because it is an integral part of the climate history of Egypt and can be discussed most appropriatelyin connection with the Middle Kingdom. We shall there return also to the Nile levels of Senwosret I, and consider to what extent the diversion of water into the Fayum could account for the apparent discrepancy between Elephantine and Old Cairo. But first we shall complete our survey of the information available concerning the Nile flood levels during the Middle Kingdom. Evidence from Nubia, HWLs (High Water Levels). Rather more clear and tangible evidence on Nile flood levels is available from the latter part of the Middle Kingdom, between 1840and ca. 1770 B.C., which yields quantitive measurements of flood levels relative to modern HWL and LWL. The interpretation of this evidence has been subject to much discussion and controversy,leading to divergent views on the level of the Nile floods during the Middle Kingdom. The controversyoriginated when Lepsius in 1844 discovered a series of inscriptions, on the rocks overlooking the river at the SEMNA region of the Second Cataract,that apparently recorded flood levels from the late Middle Kingdom. Vercoutter (1966) re-analyzedthe phrasing of the inscriptions and concluded that they must undoubtedly be considered meaningful records of high water levels. Most of the inscriptions, scattered here and there on rocks of both the east and west bank, come from the reign of Amenemhet III (1842-1799B.C.), but we now have also four from Amenemhet IV and one from Queen Sobekneferu, the last two rulers of Dynasty XII; also four from Sobekhotep I, and two from Sekhemkare, the first two kings of Dynasty XIII. Fifteen flood levels from the east bank have been published by Dunham and Janssen (I96o:Plate XXXII), based on the work of Lepsius and of Reisner. In ill. 2 these are plotted against date. Most of the inscriptions from the west bank are on rocks that have fallen from their original 11 The list provided me by Professor Hintze (HumboldtUniversitiit zu Berlin) contains his reference number, the reference number assigned by Reisner (I)unham and Janssen 1960) in case of revised translations, and the date of the inscription, as follows: Amenemhet IV, year 13 5oI: (new) 502: ( =RIS 6) Amenemhet III, year 36 503: (z.Zt. nicht greifbar in unserm Archiv) 504: (?--RIS 8) Shm-k'-Re [Sekhemkare], year 4 505: ( =RIS I6) Amenemhet IV, year 5

229

WAD I

BUHEN KOR.

ROCK OF ABUSIR MIRGISSA

A

HA

MEINARTI eDORGINARTI

DABENARTI

GEMAI

MURSHID

ASKUT KAJNARTY

SHELFAK

SEMNA SEMNA

S

URONART

uM SKUMMA

•

0

Ao

0

kilometers

20

SOUTH

MAP 2.

Sitesin the regionof the Second

Cataract(adapted from Vercoutter1970: Fig. i) positions (Reisner 1929a, b) so that they can give no quantitative information; these years (from Dunham and Janssen i96o:129f) are shown in ill. 2 by the broken bars, drawn arbitrarily to the average height of the solid bars. F. Hintze (1972 Jan I6, priv. comm.)"1 has generously made available to me for use in this paper the results of his re-examination of the Semna inscriptions and his additions to the list are shown by the thinner broken lines and included in the total numbers given above. Particularly noteworthy are Nos. 501 and 508, respectively dated to year 13 of Amenemhet IV and year 8 of Sekhemkare, the highest dates known for these kings. The modern floods, at the time of the visit of Lepsius, averaged about 7.3 m. lower than those recorded in the late Middle Kingdom, and from this has arisen the "Semna problem." Before proceeding with the Semna problem itself, however, we should note that the question of the 506: 507: 508: 509:

( ( ( (

Amenemhet IV, year 6 Amenemhet IV, year 7 Sekhemkare, year 8 S[m-Re-bw-t;wj [Sekhemre Khutowy] (Amenemhet-Sobekhotep), year 2 3) Amenemhet-Sobekhotep, year 3 8) Sdf'-k;-Re, year I [probably Sedjefakare, in the list of Hayes (1962a) the ninth king of Dynasty XIII, c.1765_5].

=RIS 19) =RIS 18) =--RIS Io) =RIS 2)

510: ( =RIS 511: ( =RIS

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BARBARA BELL

230 YEARS BC 1840 2 REGNAL YEARS

1830 12

24

1820 22

1810 32

1800 42 I

AMENEMHET III

TE MPLE TEMPLE _-K U MMA KUMMA

[AJA 79 1790

c 1770 4 8

2 5 9 -IV------

13

5 I DYNASTY XIII

22

MK, 18-"

MEANHWL -""I.

16""

" I>

I

14

II

I

Crr:

LEPSIUS

12-HWL,

.?? "I

I=50>

1901, BALL o=--HWL

"+

I

!.

D

2

0

C

th

2

""

..

II

IXIII"II ii

A

-60

A O

20-

" I

: :::

I

: :

" I

IIw

I N

.-

II

11"

AD-20.t

,• 50 r

:

........

LEPSIUS -20-LWL, LWL, BALL

<

I oI

-140

C...

ILL.2. The Semnainscriptions:floodlevelsplottedagainstyear:shadedbars, in situ inscriptions;dashed lines, fallen inscriptionsplotted to average height of in situ inscriptions(from Dunhamand Jansseni960); dottedlines, Hintze inscriptions(see n. i i); A, Askut inscription,estimatedheight at Semna average modern flood level itself is not without complexity. John Ball (I903), from his visit to Semna in March 1902, reported that "there can be no doubt of the correctnessof the difference of level noted, as the people of Kumma pointed out the precise spot where they go to get water at high Nile. My observation ... confirms that of Lepsius." "The precise spot" must vary from year to year, however, with the variation in the volume of the modern flood, and indeed the HWLs determined by Ball and by Lepsius actually differ by 1.68 m. while the LWLs differ by 1.94m., the levels given by Ball being lower in each case. This need

cause no disquiet, for the floods of 1843 and of 190o, preceding the respective visits of Lepsius and of Ball to Semna, measured and 18.78 m. 19.Io on the Roda gauge near Cairo, in satisfactory accord with the difference in their levels at Semna. Table i presents a summary of the levels12 measured by Ball and by Lepsius and relates them to absolute levels above mean sea level using the figures given by Vercoutter (1966: I40 n. 43). In the report of his visit to Semna at the beginning of this century, Ball (1903) proposed to attribute the apparentdecline in flood levels from the Middle Kingdom to modern times to an erosion of

12 Ball (1903) does not give the mean of the Middle Kingdom levels at Semna, but rather a value of I20.8 or 7.9 m. above his HWL of 1901, which represents the "lowest group of inscriptions." Fortunately for greater precision, he gives the level of year 23 of Amenemhet III as Io.9 m. above his HWL, which in turn is 12.i m. above his modern LWL; from these data the relation between the scales of Ball and of Lepsius can be worked out. Vercoutter (1966:n.43) reports actual measurements only for the two temples, where his figures show a difference between the levels of the temples which is less than half of that published by Lepsius; it is clear that Vercoutter's "modern LWL" was determined from the Kumma elevation using the scale of Lepsius. The elevations of Kumma determined by Ball and by Lepsius are in good accord, while Ball gives yet a third elevation for the Semna temple. It is not

surprising that the Kumma elevation was the more accurately measured by Lepsius because all of the in situ inscriptionsthe focus of his interest-are on the Kumma or east bank. Lepsius's error in the elevation of the Semna temple produces an initially puzzling result in Reisner's Plate IX (Dunham and Janssen 1960), where the water level of 5 April was about 115.25 at Halfa, close to the average 1924-which modern LWL-appears at 3.90 m. above the zero of Lepsius! From Table i, it should be around -1-.9 m. It would appear that Reisner determined the temple platform to be 34.0 m. above the 5 April 1924 water-level, then used Lepsius's figure of 37-90 m. for the elevation of the temple. If we use Ball's elevation (135-4 m. - 102.9 m. - 32.5 m. on the scale of Lepsius) subtraction of 34.o0 m. gives --I.5 m., in satisfactory agreement with the expected value.

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CLIMATE AND THE HISTORY OF EGYPT

1975]

231

TABLE 1 Comparison of Nile levels at Semna, in meters, according to the various scales of Ball (1903), Dunham and Janssen (1960, from 1844 observations of Lepsius), and Vercoutter (1966: I40, n. 43, meters above mean sea level). Levels

LepsiusDunham-Janssen

Ball

"modern" LWL, Lepsius March 1902 LWL* "modern" HWL, Lepsius

HWL of 1901

difference, HWL - LWL Mean Middle Kingdom HWL** Year 23 of Amenemhet III M.K. mean - modern HWL M.K. mean - modern LWL

0

(1o2.9) o00.8

(113.8) 112.9 12.1

(121.9)

123.8 9.0 21.1

(-I.94) 11.84

meters above sea level 138.92 136.98 150.76

(0o.i6) 11.8

149.08

19.14

158.06

21.o6 7.30 19.14

159.98

Base of Temple Kumma

126.0

Semna Semna - Kumma

135-4 9-4

23.03 37-90

161.95

14-9

7.0

168.90

* In March (Hurst et al. 1946), intermediate 19o2 the volume at Aswan was r-, o.52xiosm.3/day between the average minimum of 1870-1899 (o.58xios) and of 1900-1938 (o.415xIo8); and nearly 2 m.

below the LWL determined by Lepsius. ** See n. 12, first two sentences.

the river-bed by some 8 m. in the Semna cataract. With the limited knowledge then available on erosion rates, he was able to make a plausible case, and his conclusions were reaffirmedby Sanford and Arkell in 1933The erosion hypothesis seemed to be supported by clear evidence that the low water levels in the Middle Kingdom, at least in some years, were close to the levels of today. The various forts built in the vicinity of the Second Cataract by pharaohs of the Middle Kingdom each had a stairway in a protected position leading down to the Nile. Wherever these water-stairs are well preserved they extend approximately to the modern LWL, thus pointing to a LWL in the Middle Kingdom close to recent levels. We shall discuss the water-stairs more fully in the section on LWL. After a re-examinationof the geological evidence at Semna, however, Fairbridge (1963) rejected Ball's explanation for the Semna flood records. He concluded that very little erosion had occurred in the Semna cataractsince the Middle Kingdom and

that the floods in that period were in fact around 8 meters higher than they are today. He concluded further that the Nile had reached bedrock and ceased any sort of rapid cutting already by ca. 3000 B.C., and that the Semna dike had been cut mostly before the silt lens was deposited in Upper Paleolithic times. Butzer (1971) agrees "that Ball's rates of bedrock incision in diorite are quite inconsonant with modern observations and that the channel floor must have been cut to substantially its present level long before the Middle Kingdom." Even before the i960s, however, there emerged various difficulties with Ball's hypothesis quite apart from his over-estimate of the erosion rate. Reisner (1929b) rejected Ball's hypothesis because of a lack of evidence for levels significantly higher than today's in the New Kingdom at Semna, which would imply that all the erosion occurred between 1840 and ca. 1560 B.C. Reisner proposed a different sort of erosion hypothesis involving the sudden collapse of part of the cliff and a consequent widening of the river channel. The amount of widening

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232

BARBARA BELL

[AJA 79

possible, however, appears by no means sufficient to account for so large a change in flood levels. Moreoverthe evidence for high floods in the Middle Kingdom is not confined to the Semna inscriptions nor to the immediate vicinity of the Semna cataract.Ancient fields associated with the forts at Uronarti and Shelfak are 7 and 6 meters respectively above the modern HWL (Wheeler 196i:96). According to Wheeler (i96i:96), who took a lively interest in evidence bearing on ancient flood levels, "It would appear possible that the ancient HWL came over the present river bank [at Mirgissa , and to within a short distance of the foot of the Fort itself. There is mud in the sand here which could not have arrived by other means. . ." In his notes on his 1931-1932 excavations at MIRGISSA, Wheeler (1961:165) summarizes threefold evidence on the question of the HWL in ancient times:

partsof the valley,that the Nile flood levels were at sometime in the post-glacialpast,and for a considerableperiodof time, severalmetershigherthan they are today. Since Wheeler found it "equally certain. . . that it was thereduringthe occupation of the fort,"we may suspectthat he was strongly influencedby the Semnainscriptions, for a potsherd and bone fragmentof unspecifiedtype cannotbe consideredaloneas compellingevidence. Modernexcavations,set in motion in the 1950s foreverof many by the impendingdisappearance sites beneath the waters of Lake Nasser, have broughtto light a numberof items relevantto the of the Semnainscriptionsand water interpretation levels in the Middle Kingdom.Othersmay be expectedas moreexcavationsbecomefully published. In the courseof theircomprehensiveexcavations at Mirgissa,Vercoutterand his associatesof the French ArchaeologicalMission to the Sudan disi. The water-wornsurfaceof the rockis veryclearcovereda "LowerFort" or at least a substantial ly defined at a level of 8.73 m. above 1931 HWL. From this level down to the lowest segmentof fort-wallextendingto a level some 15 cleared (4.15 m. above 1931 LWL) the rock is m. below the earlier-knownFort on the top of the deeplywater-worn-all the veins of harderrock hill, and closeto theircontour"'155m. (Vercoutter standing out from the surface, well polished. 1965:fig. I; 1970). On stylisticgroundsthey conThe upperlimit of this wear, taken at different clude that this fort was built in the earlierpartof points, always gives the same level. the XIIthDynasty,by SenwosretI or his successors, 2. That partof the rock which was submergedhas a surfaceof salt crystals,which are very thickly while the well-knownUpperFortwas builtby Sendistributedfrom the lowest level up to about wosret III (Vercoutter1970:20-22), although the 6 m. above 1931 HWL. principaloccupationremains are from the early 3. At a slightly lower point, 6.23 m. above 1931 partof DynastyXIII, ca. 1770 B.C.Mostimportant HWL, there is river mud and sand tightly for our purposes,theyconcludethat"allthe earliest packed into a pocket in the rock. At the same was in a crack of the structures of the site below the contourlevel 155 found, wedged point rock, a small potsherd,a water-polishedpebble,and have been washed out by an uncommonlyhigh a small fragmentof bone, hardenedalmost to floodwhich occurredbetweenthe end of the Midsemi-fossilizationby water. dle Kingdomand the beginningof the New KingThe fluvial planation observed in item (i), how- dom" (Vercoutter1971 personalcomm.; see also ever, must have required many centuries, even mil- the chapterby A. Hesse in Vercoutter1970:51-67). lennia, and cannot possibly reflect merely the floods Hessealsoreportsevidenceof structures interpreted recorded at Semna. Most of it probably developed as riversidefacilities,at a contourlevel of 149,and in the fourth and fifth millennia B.C., when there this elevation, he concludes,marks the normal is other evidence for floods some 5 to io m. above HWL of the Middle Kingdom.Hesse (Vercoutter the modern HWL (Trigger 1965:29). Regarding 1970:53)pointsout that the water damageof strucitem (2), salt can move laterally and vertically turesup to 155 m. is persuasiveevidencethat such through rock by capillarity (Butzer i97i) so this high floodswere not typicalof the Middle Kingpoint is inconclusive. Few would dispute Wheeler's conclusion, now supported by evidence from many

dom, contraryto the opinion of O.H. Myers and of Wheeler. The Egyptians would not have built at

13 Vercoutter's (1965: fig. I; 1966:61; 1970) contour levels relate to a different zero than that used by the gauges of the Nile Control Department because of the pressure of time and lack of a reliable benchmark in the vicinity of Mirgissa to fix the zero; they estimate (Vercoutter 1970:51) that their levels are

too high, relative to a sea-level zero, by 7.8 m. Study of Table 2 and maps of the area indicates to me that the discrepancy with the Kajnarty gauge levels is closer to II to 12 m., but it is possible that some of the discrepancy results from an error in the Nilometer zero.

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1975]

CLIMATE AND THE HISTORY OF EGYPT

levels they could expect to be flooded at HWL, and thus the destruction up to 155 m. must have been caused by an exceptional, a truly extraordinary flood "une crue millinaire," some 6 m. above that typical for HWL in the earlier part of the Middle Kingdom. It is puzzling that Vercoutter and his colleagues, confronted with this evidence from their site at Mirgissa, nevertheless resist the obvious solution of identifying their "crue millenaire"with the remarkable floods recorded at Semna, apparently because of a lack of independent non-archaeological evidence for the climate fluctuation that would be implied by such in interpretation.The evidence from Mirgissa, interpreted in conjunction with the Semna inscriptions, suggests that during much of the XIIth Dynasty the HWL was around 149 m., similar to that of the late nineteenth century A.D.14 Although the dating is not absolutely secure, Vercoutter (1970:20f) concludes that the lower structures at the site were built during the reigns of Senwosret I, Amenemhet II and Senwosret II, while the long-known Upper Fort was built under Senwosret III. All of this occurred before the earliest flood inscriptions at Semna, which began only with the reign of Amenemhet III. The channel width at Mirgissa at HWL is around 1700m. (Vercoutter 1970:56), and about 400 m. at Semna, so that we should expect the floods to be higher in the latter location; the highest floods, some io m. above the modern at Semna, would be only about 5.7 m. above the modern at Mirgissa." We shall return to this point in a later section. The evidence from Mirgissa of water-destruction up to level 155 m. however appears entirely compatible with interpretation of the Semna inscriptions as recordsof actual

233

flood levels produced by a short-lived climate fluctuation of a few decades which resulted in a number of floods of a magnitude more typical of the Neolithic Wet Phase than of historic times. Turning now to evidence from other sites, one of the most important items, discovered by A. Badawy (1964 Kush 12:52),

is a rock inscription at

ASKUT, roughly midway between Mirgissa and Semna, at the north end of the Sarrasregion where the channel width is comparable to that at Semna at least up to modern flood levels (Lyons 1906:260). Close by is the modern gauge-station of Kajnarty which we shall use presently in an attempt to estimate the flood volumes recordedduring the Middle Kingdom at Semna. The inscription at Askut records a HWL dated to year 3 of Sekhemkare, the second pharaoh of Dynasty XIII. Badawy points out that it is important for its "very high level" and because it proves that inundations were still recorded and that Upper Nubia was still under Egyptian rule.'"Vercoutter (1966:140,n. 41) reports that the Askut inscription is located at 17.4m. above the Nile level of 1963 December 16. The level of the Nile at nearby Kajnarty on this date, kindly provided me by the Sudanese Ministry of Irrigation, is 134.54m., whence the level of the inscription is 151.9m. From Table 2 it can be seen that this level is about 0.5 m. above the average estimated for the Middle Kingdom inscriptions in situ at Semna (151.4 m. at Kajnarty). The Askut inscription is represented in ill. 2 by the point labelled "A." This inscription is a severe, indeed fatal, embarrassment to the erosion hypothesis. Vercoutter's (1966) excavation of a secondary fort at Semna South has provided clear physical evidence for very high floods at some period after

14 It appears impossible to obtain an exact relation between ume was equal to the modern average and attributes the difthe 1931 HWL determined by Wheeler and the various feaference between 145 and 149 to a change in the riverbed. tures excavated by Vercoutter and his associates. Vercoutter Unfortunately most of the lower-level structures at Mirgissa were discoveredonly in the last season before they were flooded (I971 pers.comm.) estimates that Wheeler's level of 7.44 m. above the 1931 HWL is close to his contour 155 m., which by the rising waters of Lake Nasser, so that they could not would place the modern HWL at 147.5 m. The average HWL be re-examined after their importance as evidence on ancient of the current century coincides closely with that of 1931; if Nile levels was fully appreciated (Hesse 1972 pers.comm.). this falls about 1.5 m. below that judged typical of the Middle 15A rise of 9 to io m. at Mirgissa, corresponding to the the latter Kingdom, may be imagined as similar to the floods difference between the "crue millenaire" and a modern HWL of the years A.D. 1870-1898, and almost certainly no larger at 145 to 146 m. is considerablymore than could be expected than the largest floods of the past century. from a m. rise at Semna. This fact tends to Hesse's However Hesse (Vercoutter 1970:54) determined the modern postulateIoof a decline 2 to m. in the level support of of the riverbed 4 HWL to lie between 145 and 146 m. from two other mea- at Mirgissa since the Middle Kingdom, assuming that his desures reported by Wheeler. Further, he informs me (Hesse termination of the modern HWL is to be preferred over Ver1972 pers.comm.) that the base of the Upper Fort was so coutter's estimate (see note 14). In addition, there is evidence eroded that it was impossible to identify exactly the levels dethat the river flowed closer to the Upper Fort in the Middle scribed by Wheeler and therefore necessary to rely on the Kingdom than it does today. other data given by Wheeler. Lacking evidence to the con16 We have now in addition, from Hintze (note II) years 4 trary, Hesse assumes the typical Middle Kingdom flood voland 8 of Sekhemkare at Semna, and year I of Sedjefakare.

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234

BARBARA BELL

[AJA 79

the building of the fort. He infers furtherthat it indicatesthe absenceof such ultra-highfloods at the time the fort was underconstruction,but I am less certainthan he that the evidencecompelsthis conclusion.At the fort of Semna South, built on "anancientalluvialterraceof the Nile" abouti km. southof the main SemnaFort,Vercoutterfound a glacis about io m. wide, sloping towardthe river and built of graniteslabs.Beneathit was a subterraneanwater-stairway builtalsoof graniteslabsand runningas a tunnel throughthe ancientalluvium from the northeastcornerof the fort towardsthe river.Most significantly,the glacis was coveredby a thickdepositof Nile silt-a typicalwater-laidsilt

on the rocks at Semna and Kumma, beginning early in the reign of Amenemhet III, seems wholly compelling. But I am not convinced that Vercoutter's excavations provide quantitative evidence on the HWL at the time of the construction of the Fort. In order to constructthe water-stair,the Egyptians would presumably have dug a trench in the ancient alluvial terrace,built the stairway, covered it over and built the protectiveglacis."7If they completed this work in one season, I see no basis for any firm conclusion about the HWL at the time of the construction. Since it was not possible to excavate the stairs to their end, they cast no light on the LWL, so it is doubtful that Semna South has (Butzer 1971)-up to a level of about 8 m. above yielded any firm evidence against the erosion hythe modernHWL. This silt layer,Vercoutterpoints pothesis-which, however, is already convincingly out, was depositedat some time afterthe building demolished by modern knowledge of erosion rates, of the glacis and the stairwayand, therebeing top- and by the archaeological evidence from Mirgissa ographicallyno possibilityof local silting from re- and Askut. The evidence from Vercoutter's (1970) peatedfloodingof a wadi, indicates"a riseof some excavations at Mirgissa also provides more persuaimportancein the Nile level after the building, sive evidence that the HWL in Dynasty XII before leadingto a heavysilting in placeswherethe sedi- the reign of Amenemhet III (dated from Semna) mentscould not be washedout by the currentdur- was similar to the modern. Convinced that his excavationsdisproved the eroing the subsidenceof the river."Only a few artifactsfrom the MiddleKingdomwerefoundin the sion hypothesis,Vercoutter (1966) was not inclined Fort, from which Vercoutterconcludesthat it was to accept the most straightforward (at least to me) not permanentlyoccupied.He believesit was most alternativeof climate fluctuationin absenceof indeprobablyconstructedduringthe reignof Senwosret pendent evidence for such a climate fluctuation. He III, who is known to have campaignedactively postulated that the high levels were caused by a aroundand abovethe SecondCataract,to haveen- partial dam or rather,because of the Askut inscriplarged and strengthenedexisting forts and added tion,"8a series of partial dams, built by the Egypothers to the formidablearray.From Vercoutter's tians of the Middle Kingdom with the object of (1966) Figure4, it would appearthat the stairway prolonging the period of high water when the cataled below the modernfloodlevel, althoughlack of racts were relatively navigable. His reasons for time and variousdifficultiespreventedhim from proposing this, to me incredible, explanation relate excavatingit completelyto the lower end, which also to the evidence on low-water levels, plus his by analogy with other forts of the region should assumption, which I shall argue is completely unbe near modernLWL. justified, that a rise of 8 m. in the HWL must be The silt-coveredconstructiongives proof, Ver- accompanied by a correspondingrise of 8 m. in the coutterconcludes,that at some time in the Middle LWL. But first we shall finish with the evidence on Kingdomthe floodlevelsweresimilarto or slightly lessthanthoseof moderntimes-close to the appar- HWL. Also relevant here are one (and perhaps ent convergencepoint of glacis and tunnel-roof- two) items found in excavations by the Oriental and that subsequentlythere occurreda period of Institute archaeologists(Knudstad 1966) at SERRA floods some 8 m. higher. The second conclusion, in EAST (and Dorginarti), although no quantitative excellent agreement with the flood-levelinscriptions conclusions can be drawn until (unless) details on 17 Some of the 8 m. of silt overlying the glacis may have come from the trench, piled to the sides of the construction and redistributed smoothly by the series of great floods recorded at Semna. 18 Vandersleyen (1970) proposes to attribute the single inscription at Askut in year 3 of Sekhemkare to a great flood

which resulted from the rupture of Vercoutter's postulated dam at Semna. This hypothesis, while more attractive than the postulate of a series of dams, is nevertheless invalidated by the inscriptions of Hintze (notes 11, 16), three of which record great floods at Semna at dates later than the Askut inscription.

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1975]

CLIMATE AND THE HISTORY OF EGYPT

235

elevationsbecomeavailable.At the SerraEast fort, namely,what aboutthe manymissingyears?If the apparentlybuiltoriginallyin the reignof Senwosret Egyptiansat Semna were recordingflood levels, III, is a constructedbasin, presumablya harbor. why did they fail to recordover half of the years? The full depthof the silt-filledharborcouldnot be Indeed,the motivesof the Egyptiansfor recordexcavated,"due to the height of the Nile [in De- ing the flood levels on the cliffs at Semnaare obcember1963, 119.6 to i I9.75 m. at Halfa, courtesy scure. Lepsius (1853)-who himself proposeda of the SudaneseMinistryof Irrigation]and conse- massive-erosion explanationfor the loweringof the quentlyof the watertablein the silt fillingthe har- flood levels-postulated that the floods were rebour"(pp. 173-74).Fromstudyof the depositswith- cordedat Semna as the frontierof the Kingdom, in the accessiblelayersof this silt the excavators the point wherethe height of the floodcould first concluded"thatthe harbourwas allowedto silt up be known and transmittedthroughoutEgypt; he possiblyfrom its late Middle Kingdom abandon- further suggested it had some connection with ment through transitionalperiodsuntil the New AmenemhetIII's building activityin the Fayum Kingdomperiodof return;that it was allowedto (DenkmdlerV:224). Reisner (1929a) pointedout remainso during the New Kingdom,and that it that thereis no graduatedscale,and that the flood was thus not a featureof the laterfortress,having itself would arrivein Egypt almostas soon as any been filled to a high and dry level by that time." message about it; he postulatedthat the records It is temptingto associatethis siltingof the harbor were for purely local use, perhapsintended as a with the siltationphaseexhibitedat SemnaSouth, navigationalaid, to determinethe besttime for the and to surmisethat the siltationgot out of control annualshippingfleetto set sail for Egypt.But this duringthe reign of AmenemhetIII. function would seem also to requirea graduated Its excavatorsconsideredthe fort of Dorginarti scale.When the Semnainscriptionsare interpreted to be a constructionof the New Kingdombecause as evidenceof ultra-highfloods,Lepsius'spostulate they found there no remains from the Middle becomesmoreattractive,and I furthersuggestthat Kingdom (Knudstad 1966); the earliest datable Amenemhet III's famous, but obscurein detail, materialcame from DynastiesXIX and XX, or worksin the Fayum were directedmainly toward late Empire.Neverthelessthe fort has certainfea- reducingthe destructionby these excessivefloods turessuggestiveof flooddamageto the foundations in Lower Egypt, a hypothesiswhich we shall exin the earlylife of the fortress.The damagedbrick- plorefurtherin a latersection. Unfortunatelythere work was then apparentlygiven "a stonecasingor is no evidencethat the Egyptianshad any more glacis where bed-rockdid not providesuch, [the rapid means of communicationthan by boat, no rock] having been piled againstthe brickworkof evidencethat they used smoke signals,mirrorsigbuttressesand bays to form an even slope away nals,drums,etc.,whichwouldbe necessaryto make fromthem. [The glacis]seemsto havebeencarried flood measurementsat Semna useful in Egypt well belowrecentlow Nile levels [artificiallyraised proper. by the Aswanreservoir]and to havebeenintended It seemsprobable,therefore,that the flood levels as a defenseagainstthe Nile as well as the attacker. were recordedonly becauseof their great and unIt alsoshowsthatmuchof the alluvialbuild-upthat usual height, as wondrous curiosities.Then, algives the island of Dorginartiits recentsize came though therecan be no proof,I suspectthe reason laterthan the establishmentof the fortress.In spite for the gaps in ill. 2 is more than human caprice of the lack of evidence for a Middle Kingdom or accidentof preservation.I suspectthat they redate"1it is certainlymost temptingto associatethe cordedonly the remarkablyhigh floodsand that water damage with the great floods recordedat most of the missingyearshad a floodlevel little or Semna. In any case, a contourmap of the island no higher than the modern-and than the earlier

should be most interesting as a clue to flood levels. There is a second and less noticed "Semna problem" that may contribute to the solution of the original one. This problem becomes most striking when the data are plotted, as in ill. 2, against time:

years of Dynasty XII-and well below the level of all surviving inscriptions. This is the primary justification for plotting the fallen inscriptions to the average level of those remaning in situ. In summary, I take the inscriptions as evidence

19 Primarily on stylistic grounds, Adams (1971) independently concludes that a Middle Kingdom origin is the most

probable for the fort of Dorginarti.

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236

BARBARA BELL

[AJA 79

that a number of extremely high floods did occur in the years between 1840 and 1770 B.C., but find no reason to consider these floods as typical of the Middle Kingdom. Such evidence as has come to light, particularlyfrom Mirgissa, suggests that they were not typical. Then there is the evidence for LWLs in the region of the Second Cataract close to modern levels, and this we shall review next. Evidence from Nubia, LWLs (Low Water Levels). Clear evidence has existed for some time (Reisner 1929a, b; I931) that the forts built in the region of the Second Cataractby the Pharaohs of the Mid! dle Kingdom each had a stairway in a protected position leading down to the Nile. Wherever these water-stairsare well preserved,they extend close to the modern LWL. At Semna West the steps end just above the level of the Nile on 1924 April 5 (Dunham and Janssen I96o:map IX), very close to the average LWL of the present century A.D. (see Table 2, and note 12). At URONARTI the lower part of the river stairs is a roofed tunnel-in structure the closest surviving analogy to Semna South-particularlywell preserved.20In 1930 "at the beginning of March the water level was about 30 cm. over the tunnel floor at its lowest point" (Dunham I967:20 and map IV); at Halfa the level in early March 1930 was 115-7m. and at Abu Sir 120.2 m., thus 50 to 70 cm. above the average modern LWL. At SHALFAK the lower part of the river stairway is poorly preserved,but a quay was found at about 7 m. above the water level of 1931Feb.-Mar,-which was close to the modern LWL at Halfa and at Abu Sir. The Shalfak quay is thus similar in location to the structuresidentified as riverside facilities at Mirgissa by Vercoutter (1970) and his colleagues. At Uronarti was found an inscription recording navigational difficulties encountered by Senwosret in the spring of his 19th year upon his return from "overthrowing Kush" (Wheeler 1931:66;Dunham 1967:34). As translated by Vercoutter (1966:155) it reads in relevant part: Year 19, fourthmonth of Akhet season,2nd day21 ... under the majestyof King ... Kha-kau-Re (Senwosret III) . . . The Lord . .. proceeded northward,having crushedthe vile Kush,one had to look for (navigable) water to cross Ishemuk22 (and) to haul (the boats) becauseof the season,

every shoal (was) likewise. As for (the shoal of) ... (?) it was difficult,its water was (too) light (sic) to get throughby hauling upon its . . . (?) becauseof the time of the year. The discord between the evidence of the waterstairs for LWLs about equal to the modern and of the inscriptions for floods averaging 8 m. above the modern has long caused difficulty. The difficulty has been compounded by what seems with many scholars an implicit assumption that whatever the conditions implied by the Semna inscriptions,these conditions prevailed throughout the Middle Kingdom. But there is nothing in the archaeologicaldata or in the inscriptions themselves to compel such an assumption. Even before the excavations at Semna South and at Mirgissa by Vercoutter (1966, 1970), there was no necessity to conclude that the high floods indicated by the Semna inscriptions and the LWLs indicated by the river-stairsof the forts occurred in the same years or even the same decades. We should keep in mind too that the river-stairsof the forts must go to the minimal LWL, not to the average LWL, if the forts are to be assured of water every year. It is of interest that Reisner considered that the lower part of the Semna stair was later than the upper part (Dunham and Janssen 1960:7); perhaps the Egyptians had to extend it in a year of unusually low water. Moreover it is generally agreed that the forts were built in their most developed form under Senwosret III, and several were probably built initially under Senwosret I, in either case well before the years for which we have evidence of ultra-high floods at Semna. From the French excavations at Mirgissa of course we now have good reason to believe that the floods did not significantly exceed the modern during the Middle Kingdom, until late in Dynasty XII or early in Dynasty XIII, Mirgissa itself yielding no exact dating for the "crue millenaire." Thus there is no necessary conflict between the evidence on LWL and on HWL; through most of the XIIth Dynasty each was close to its modern level. Vercoutter (1966:142) cites in addition, however, an inscription engraved on a rock in the middle of the rapid at Semna, at a height less than 2 m. above the present LWL of the Nile, and which is believed

20 The water-stairs at Semna West were also in a roofed tunnel, part of which survived intact until modern times (Adams 1972). 21 Senwosret III, year 19 IV Akhet 2 =- 186o B.C., 2 March Julian and 14 February Gregorian calendar (courtesy of R.A.

Parker, 1971 pers.comm.). 22 Exact location unknown. However there is a particularly difficult stretch of rapids just upstream of Uronarti, passable only at or near HWL (Dunham 1967:3), and this may well be the location in question.

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1975]

CLIMATE AND THE HISTORY OF EGYPT

237

to have been carved in the reign of Amenemhet III, as evidence that the LWLs even in the time of this king were not 8 m. higher than the modern. This argument is open to a threefold doubt. First, the inscription is not dated. Second, even if one accepts it as from the reign of Amenemhet, there is no compelling reason to believe it was inscribed in one of the years for which an ultra-high flood is attested. A notable feature of the flood inscriptions, most striking when they are plotted against date as in ill. 2, is the lack of record for many of the years. If the Egyptians at Semna were recording flood levels, why did they fail to record over half of the years? In the previous section, I suggested that they recorded only remarkably high floods, simply because they were so remarkableas to demand commemoration. If this is correct, we may suppose that the floods in most of the blank years of ill. 2 were at least lower than the lower ones there shown, or no more than 0-5 m. above the modern HWL. The rock could have been carved in one of these more normal years. And third, I see no justification for Vercoutter's (1966) assumption that a rise of 8 m. in HWL would necessarilyimply a rise of 8 m. in LWL. This last assumption is unsound for two reasons. Flood levels depend essentially upon the summer monsoon rainfall over the Ethiopian highlands while the LWL depends primarily on the rainfall over the East African lake region and the swamps of the southern Sudan, so that there is no necessary a priori correlationto be assumed between the high and low levels of the Nile. It has been asserted (Brooks 1949) and widely accepted that the levels of high and of low water in the Roda-gauge records, existing with some gaps from A.D. 622, tend to be positively correlated,although Brooks himself points out that the correlationis far from exact."3 While little is known about LWLs, I consider it probable that at least some rough correlation does exist between the HWL and the LWL of an epoch. But there is no reason to assume that each must rise by an equal amount in meters or gauge level. An equal multiple of increase (or decrease) in volume of water seems more probable,and this would

indicate a rise of 2 to 4 m. in the LWL associated with the great Semna floods, as I shall explain more fully presently. We noted that, in part because of his erroneous assumption that a rise of 8 m. in HWL required an equal rise of 8 m. in LWL, Vercoutter (1966) was led to postulate that the high levels resulted not from great floods but from a series of partial dams, with open central channel, constructed by the Egyptians of the Middle Kingdom to improve the navigability of the river in the difficult stretches of the Second Cataract. He stated himself that the dams would only extend somewhat the season of higher water, but would have negligible effect at low water when navigation of the cataracts was most difficult. The technical possibility of such a series of structures is for engineers to evaluate definitively, but it appears to me altogether unlikely, particularly with partial dams which would be readily torn apart at the unsupportededges of their central openings. To build such a series of dams on a river the size of the Nile, even if it were feasible, seems an incredible labor for a very modest profit. I suggest also we should expect the ancient Egyptians, if they had built a dam at Semna, to have undertaken first some leveling and shaping of the natural rock of the cataract to provide a more stable and level foundation for their building stones. Vercoutter emphasizes the lack of other evidence for the necessary substantial fluctuation in climate that would be required to produce such great floods. It is however doubtful that any but the most subtle evidence, requiring the most sophisticated techniques to discover, could be expected if, as it now appears,the great floods covered less than a century, occurring in only some 20 to 30 nonconsecutive years. I too am aware of no other evidence than the items we have discussed from the general region of the Second Cataract.But there is a growing body of evidence (Butzer et al. 1972) that the levels of the East African lakes have fluctuated substantially in post-glacial times. Although no high (or low) lake level has yet been dated to exactly the epoch under discussion here, one high level at Lake Rudolf, some 70 m. above the modern surface, has yielded a radiocarbon date of 3250 BP (Butzer et

23 Moreover, if Popper (1951) is correct in his conclusion, based on extensive study of medieval Arabic and Egyptian texts, that the figures published as "minimum" actually represent the level of the river on 20 June (Julian), this being the date when each year daily readings of the Roda Nilometer were

begun, there is serious doubt that much is known about the long-term behavior of the LWL. (Popper's interpretation of the so-called minima in itself offers interesting possibilities which I hope to explore elsewhere.)

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238

BARBARA BELL

al. 1972),24 or ca. i6oo B.C. when corrected for systematic error resulting from variation in the C14 content of the atmosphere by the scale of Michael and Ralph (I974). However it would require some decades of rainfall much above the modern average to raise the level of Lake Rudolf by 70 m., so there may well be a closer connection of the rise in lake level with the fluctuation to a wetter climate which produced the great floods recorded at Semna than the dates at first suggest. A final inscription relevant here, which Vercoutter (1966:164) cited as evidence for floods of modern size in the reign of Senwosret III, is actually something much more remarkable.It is a record of Nile level, discovered at the Dal Cataract (about 83 km. south of Semna) by the survey team directed by A.J. Mills, dated to year io of Senwosret III and in a position close to the modern HWL. We may wonder why the Egyptians chose to commemorate such an ordinary flood. The answer becomes clear when we have the full date, generously communicated to me by Mills as year io, third month of Akhet season, 9th day; which is 1869 B.C. Jan. 24 (Gregorian) (courtesy of R.A. Parker, 1971 pers. comm.). This date is less than a month earlier than that from year 19 IV Akhet 2 at Uronarti which records a troublesomely low water level, and makes it clear that the Dal Cataract inscription does not define a normal flood level but recordsan exceptionally high level of the winter Nile, about as high as the average modern HWL (to be precise, m. 3-47 above the river level on A.D. 1968 April 16), and about 3.5 m. also above the normal modern level for late January.There was no modern gauge in use in 1968 near Dal, but gauge levels from Argo and Merowe to the south, provided by the Sudanese Ministry of Irrigation, indicate that the river level in April 1968 was close to the modern average for January 21-31. The Dal inscription (1912-1957) thus belongs with the Semna inscriptions in indicating Nile flows substantiallyin excess of the largest values observed in modern times. The Dal inscription of year io III Akhet 9 (1869 B.C. Jan. 24) together with the inscription from Uronarti, year 19 IV Akhet 2, provides evidence for an extraordinary 24 Indeed some values as low as 3250 BP have been obtained

from samples believed to derive from the Middle Kingdom: A-205, 206, 207, wood from forts at Semna, Radiocarbon 4 & 5, 3290, 3300, 316o BP respectively; from Mirgissa, Gif-295 and 297, 2925 and 3020 BP, Radiocarbon 12; and from Radio-

[AJA 79

variability in the Nile levels of late winter during the reign of Senwosret III. Volume of the great Semna floods. In this section we shall seek an estimate of the magnitude of the great Semna floods of the Middle Kingdom, and consider the implications for climate history. The accuracy of the estimate will be limited by a number of factors.At once the most important, and now too late to remedy, is the lack of any systematic measurement of "modern levels" at Semna over even a few years. There is thus no basis for determining exactly the relationship between levels at Semna and at modern gauge stations where the channel width and gradient of flow may be different. We have already noted (see Table i) the difference in modern levels recorded by Ball and by Lepsius. We have a cross-sectionof the channel at Semna (Lyons 1906), but it shows a difference of about 13 m. between HWL and LWL, and I have not been able to relate it with useful exactness to the levels of Ball and of Lepsius. The lack of any extended series of measurements at Semna itself can be compensated for to some extent by use of the rather substantial series of measurements that do exist from stations in the region of the Second Cataract. Those available are listed in Table 2 with selected data on high and low water levels and on channel-width at high and low water. Particularly useful are the gauge readings from Wadi Halfa and from Kajnarty.The rise and fall of the Nile at Wadi Halfa in modern times averages about 7 meters, and "may be taken as representing what would take place in Egypt if there were no dams, barrages, or irrigation, to interfere with the natural flow of the river" (Hurst 1952: 239). In Kajnarty we have a station rather similar in situation to Semna, that is with a channel-width not exceeding 420 m., at least to the level of the highest modern flood in 1946. Thus extrapolation of the Kajnarty gauge-discharge curve, shown in ill. 3, to the I8-20 m. level above the modern average LWL (I31.6 m. above modern sea level) should give the best approximation we can hope now to obtain to the peak volume of flow of the great Semna floods of the Middle Kingdom. As we have noted, any such large extrapolation carbon 7, R-33, 38, 3300 and 3200 BP. Thus it is not impossible

that the dated level at Lake Rudolf pertains to the period of the great floods at Semna. However ca. 16oo B.C. must still be considered the most probable date for the sample from the high level of Lake Rudolf.

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CLIMATE AND THE HISTORY OF EGYPT

1975]

239

TABLE 2 Nile gauge levels, in meters above mean sea level at Alexandria, at stations in the region of the Second Cataract (from The Nile Basin, vol. III & suppls., H.E. Hurst et al.)**

Halfa Km south of Halfa

Years of data

0

1890-1957

Second Cataract 500 m. south of Abu Sir Rock Kajnarty 12.5

1920-1957

47 1931-1957

Average io-day LWL a)

1890-1899

1901-1912

i37 115-5

b) 1905-1930 c) 1931-1955

Channel width at LWL

I15.1

119.4

115-5"

119.6

131.6

?

290m.

520 m.

Average io-day HWL a) 1890-I898 b)

Semna

40 m.

149 122.5

1905-1930

121.9

C) 1931-1955

Channel width at HWL Average range, HWL - LWL

126.0

880m.

?

a)

7.0m.

c)

6.8m.

Selected modern HWLs 90oi, Ball 1931, Wheeler 1946, high 1941, low 1946 HWL - 1941 HWL

125.7

122.35*

122.0 122.2 123.8 121.0

2.8

6.4m.

142.4

149

4o0m.

400m.

10.8m.

12.om.

142.6

149.1

126.9

142.3 144.3

151

124.6 2.3

140.1 4.2

4

132

151.4

158.1

125.8

Middle Kingdom Mean of inscriptions

128.0

in situ year 30

129.5

133

153-3

160.2

year 15 year 9

126.5 126.0

130.5

149.0 148.0

156

"Good flood,"Senwosret I Aswan LWL 84.5m. 84.0m.

125.4 124.9

147.4 146.5

154 153

129

128.5

155

* Artificially raised by operation of the Aswan reservoir. ** In the years 1949-1957 there was also a station at Gemai, 27 km. south of Halfa, LWL 131.1 m., HWL i39-3 m., range 8.2 m.

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BARBARA BELL

240 NILE VOLUME, 4 6 8 10

2

m3x

108 per day 40 20

60 -'

80

30

yr

/7 SEMNA,MK --K

150/ -yr 15

//

=

S45

LI 4

-1946-L1958-

uS--1931-

-

140

<

/x

--1941-

HWL

- •,.'

zX 135

LWL

47

/

130 130

-

-1931

'

..........

*-,

3

.--19

5

.

..,_2

I

.

___.

2

.

.

.

. . .

3

m3x 108 per day

ILL. 3. The Nile at Kajnarty:gauge levels

plotted against volume of discharge(see n. 7), and extrapolation(dashed lines) above level of modern floods

is subject to considerable uncertainty, the more so here where we have little information on the width of the channel at Kajnarty above the HWL of 1946. On the positive side, we do know that the channelwidth was increasing only slowly at Kajnarty over the range of modern floods, and that this condition continues at Semna up to the level of the highest record from the Middle Kingdom. Over the range of modern floods too the channels at Semna and at Kajnarty are closely similar in width. And finally, Kajnarty is just upstream from Askut where that solitary Nile record from the reign of Sekhemkare was found at about 20 m. above modern LWL. On the other hand, the low-water end of the Kajnarty curve is probably less applicable to Semna, because 25 This appearance with some precision, Nile nuggar is "one Vandersleyen (1970) arises from a lack of

of navigability assumes a boat steerable and Adams (1972) points out that the of the world's least maneuverable craft." notes that the principal difficulty at Semna any points of support for hauling a boat.

[AJA 79

the latterhas a much narrowerchannelat low water.Ball (1903) reportsthatthe low waterat Semna flowssmoothlythrougha channelonly about40 m. wide and at least 20 m. deep, so that Semnaitself would not appearto have presentednavigational difficultiesat low water."2This narrownessof the channelthroughthe Semnadike for a few meters aboveLWL probablyaccountsfor the fact that the floodof 190o (fortunatelya fairlytypicaltwentieth centurymodernflood) was 12.1 m. abovemodern LWL, while the modern(1931-1955)floodsat Kajnarty have averaged only io.8 m. It therefore seems probable,if we take the flood of 19o0 preceding Ball'svisit as typifyingthe Semna-modern, that we shoulddisregardLWLs and with ill. 3 use only the differencebetweenmodernHWL and the Semnafloodlevels. The MiddleKingdomfloodsrecordedat Semna, averaging9.o m. (see Table i) above the mean HWL (142.4m.) of the twentiethcentury,or about 151.4 m. at Kajnarty,would from ill. 3 havea peak volume of around 32xIo8m."/day.This would be aboutthreetimesthe meanpeak-volumeof the ten greatest floods (-'io.5xIo"m.') of the late nineteenthcenturyA.D., and aboutfourtimesthe mean of the first four decades peak volume (7.8xio"m.") of the present century.The cross-sectionof the channel(from Ball 1903and Lyons 19o6) occupied by the greatfloodsat Semnais about2.2to 2.4times that occupiedby the averagemodernflood.While this valuesetsan absoluteminimumto the volume of the Semnafloods,the actualvaluewouldbe considerablylarger because the velocity of flow increasesas the river level rises. Ill. 4 shows the relationbetweengauge levelsof the river at Halfa and at Kajnarty.Over the 27 years availablefor comparison,the Halfa values rise progressivelyrelativeto those from Kajnarty, presumablydue to the operationof the Aswan reservoir;the two lines are basedon the years 1931the formerbeing the lowerand 1935and 1951-1955, more relevantto our problem.From the extrapolatedportionof ill. 4, we can estimatethe level of floodsto be expectedat Halfa in the Semnayears. (Basic to the accuracy of the extrapolation is the assumption-which may or may not be correctThis difficulty arises because the deep channel through the dike is only about one tenth the width of the river immediately above and below the dike. In any case, there are other stretches of the river between Semna and Halfa that present more formidable difficulties at LW than does Semna itself.

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CLIMATE AND THE HISTORY OF EGYPT

1975]

yr30

.1

SEMNAMK-'

5/ /.•_ I

-

•

_

// 4,

2iz

S,/-1946 r--L.1958

d

-1931-

D 140 /HWL

.-1941so

z •

35 LWL

c\J cj--1947

130

0

fM

-3: 1 1

L 1 2

4

_

0

q

1 1 I I_ 6 8 10 12 HALFA GAUGE, meters

-1931

14

16

ILL. 4. Comparativegauge levels, observed

and extrapolated,of the Nile at Kajnarty and at Halfa

that the relative channel widths remain similar at higher levels.) An average Semna flood (151.4m. at Kajnarty) would reach about 128 m. at Halfa, and the greatest flood (i53-3 m., Kaj.) would come to about 129.5 m. at Halfa. Thus ill. 4 indicates that the great floods of the Middle Kingdom would reach a level 6 to 7 m. above the average twentieth century HWL, and about 4 m. above the highest modern (1946) flood actually measured at Halfa. These expected levels are summarized in the lower section of Table 2; the values for Abu Sir were derived from a similar graph. Since the channel is wide at Mirgissa, roughly similar to Halfa and Abu Sir, we should expect similar levels there, or from Table 2 about 5.8-6.2 m. above the 1931 HWL, in good agreement with point (3) of Wheeler (1961) quoted in the previous section. Nearly all the water-wornness of the rock up to 6.73 m. must have developed at an earlier epoch, not only because fluvial planation is a slow process but because Vercoutter's (1970) excavations at Mirgissa have yielded evidence that the great floods were not typical of the Middle Kingdom. It is particularlynoteworthy that the highest

241

floods, of years 23 and 30, could be expected to have risen about 7 m. above the 1931 HWL, very close to the highest evidence found by the French for water damage at Mirgissa (Vercoutter 1970). This damage, I suggest, can be most plausibly attributed to the great floods recorded at Semna. The climatic history of Ethiopia is surely not known in such detail that we can reject this hypothesis simply because there is no supporting proof for the implied climate fluctuation in these few decades between r84o and ca. 1770 B.C. Ill. 5 shows the relation between gauge levels at Kajnarty and at Aswan, based on the io-day-maximum gauge levels at the two stations for the years 1931-1955. With the old Aswan dam, the sluice gates were fully opened during the flood season, resulting downstream and at the gauge in a flood level quite similar to what would have occurred in the absence of the dam. But LWLs were significantly raised by the regulation of the discharge from October onward, so for a minimum point I have plotted the mean LWL at Kajnarty from 1931-1955against the LWL at Aswan for 1901-1902,which should in fact, from the volume figures, be properlycompara-

yr30SEMNA,MK-150

/1 /

yr 15

-

"

145

./ /

z2

-1946 -1931-

8 <

140 --

z

1941 HWL

0

0

-1947

-

O

-i

N)

85

ttt ?oDCO

)O

D0

130-

90 95 ASWAN GAUGE, meters

100

5. Comparativegauge levels, observed and extrapolated,of the Nile at Kajnarty and at Aswan

ILL.

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242

BARBARA BELL

ble. I have drawnone line throughthe minimum pointand the averageof the maxima,and a second to fit bestthe variousmaximawithoutregardto the minimum.From ill. 5 we can see that the great Semnafloodswould fall within the rangefrom 97 to ioo m. at Aswan. If determinedby the line through the maxima alone, 151.4 m. at Kajnarty

correspondsto 98.2m. at Aswan (Elephantine). Let us now return to ill. I, where we find that a gauge level of 98.2m. would indicatea volume of about 30x1o"m."/day, in gratifyinglygood agreement-consideringall the dangerousextrapolations involved-with the value obtaineddirectly from Kajnartyand ill. 3. Table3 lists the peakvolumes and levels to be expectedat Elephantinefor selectedyearsincludinga "goodflood"of Senwosret I. It would be reasonableto assumean uncertainty of at least ten percentin the estimatesof ancient volumes. The greatest flood recordedat Semna during the Middle Kingdom had a peak volume about twice that of the lowest flood recorded,andaboutfourtimesthatof the largermodern floods. For a "good flood"of SenwosretI, we have of courseto assumea LWL. If we startwith the mean modernLWL of 84.5m., we have a HWL of 95.8 m., whence from ill. i a peak volume of I7x I om. /day, about50 percentgreaterthan the great

[AJA 79

modernfloodof A.D. 1878but justoverhalf thatof the averageflood recordedat Semna about a century later.There is of courseno reasonto believe that the floods were graduallyincreasingduring that century. It may be objectedthat I have used too low a minimumto estimatethe floodconsidered"good" by SenwosretI. However Egyptologistsgenerally agreethat this king began the buildingof the system of SecondCataractforts,and theirwater-stairs comprisethe most solid evidencefor LWLs in the MiddleKingdom,and indicateLWLs close to the modern.The modernLWLs werelowestin the period 1920-1931 when Reisnerand his associateswere excavatingthe forts, so one could probablyjustify a LWL of 84.0 m. for SenwosretI; whence by ill. 1, with HWL at 95-3 m., the peak volume would be around 15xio"m.'/day.26However we must not overlookthe possibility,notedearlier,that the zero of the Elephantinegauge was fixedin the time when"... The riverof Egyptwas empty,men crossoverthe wateron foot . . ," whichcouldgive HWLs similarto that of A.D. 1946.To allow for this possibility,I have includedin Table 3 the volume to be expectedif the zero was at such a very low level. As we havenoted,Vercoutter(1966)was led into difficultiesby his convictionthat a rise of 8 m. in

TABLE 3 Estimated io-day peak volume, and gauge levels at Elephantine, for selected great floods in the Middle Kingdom. gauge levels Elephantine Kajnarty Amenemhet III Average Max., year 30

98.2 m.

151.4 m.

96.7

149.0

31 '3 42 +3 21.5+1.5

96.1

148.0

19.0-

99-4

low, year 15 year 9

Senwosret I Aswan LWL 84.5m.

flood volume ma3xio/day

153"3

95.8

147.4

17

146-5 1457

15-5

83.0

95-3 94.8 94-3

145.1

13.5-+1 12.5

82.5

93.8

144.6

o0.8

84.0 83-5

26Adams (1972) points out that "the amount of subsequent modifications in the Second CataractForts [makes it] very unsafe to assume that any of the water stairs as we now know them

I

-+2

I

date from the original phase of building." Thus we cannot confidently assume that they reflect the LWL in the time of Senwosret I.

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CLIMATE AND THE HISTORY OF EGYPT

1975]

HWL required a corresponding rise of 8 m. in LWL. But by ill. 3 we can see that a rise of 8 m. in the LWL at Kajnarty would occur only with a tenfold increase (from 0.50 to 5.oxio8m.3) in the LW volume. While I cannot say this is impossible, it certainly does not seem the most likely assumption. If we assume a doubling to tripling of the LW volume, we have at Kajnarty a rise of 1.5 m. to 3 m. in the LWL, the latter being close to the exceptionally high LWL that followed the great flood of A.D. 1878. Although it would be reasonable to expect a rise of 2 to 5 m. in the LWL at Semna after a year of great flood, nothing can in fact be known about the LWLs at the time of the Semna floods from data now available. And of course the LWL could be as variable as the HWL. Particularly if we assume that the years not commemorated by an inscription had HWLs below the lowest of the inscriptions, there would seem to be no lack of opportunity for the inscription emphasized by Vercoutter (1966:142) to have been carved on that rock at about 2 m. above modern LWL during the reign of Amenemhet III. Although it is premature to attempt, on the basis of data available at present, any extensive discussion of the most probable origin and the climatic implications of the great floods recorded at Semna in the latter part of the Middle Kingdom, there are a few points to be noted. In the twentieth century, the flood waters of the Nile originate approximately as follows at maximum (Hurst 1952:242): White Nile Blue Nile Atbara

io percent 68 percent 22 percent

At low water by contrast we have White Nile Blue Nile Atbara

83 percent 17 percent o percent

Over the year, the volume of the White Nile varies by a factor of 2 to 3, the Blue Nile by a factor of 60 to 70, and the Atbara even more, as the latter two rivers are swollen by the summer monsoon rains over the highlands of Ethiopia. 27 Because the site is now under water, special coring equipment would be required to obtain samples. 28Excavations by Arkell (I96i:26) produced evidence of floods some 5 m. higher than today in the Neolithic period near Khartoum, and of generally much wetter conditions, attested by

243

With our present limited knowledge on climate variation, the great Semna floods could seemingly arise in a variety of ways. The percentage from each main source could remain constant or it could vary widely. The most straightforward hypothesis is to assume a proportional increase in the volume of each of the main tributaries.However study of the relatively high floods of 1946 and 1954 (Hurst, Black, and Simaika 1959:67-71,92-101, 127) suggests a previously unexpected difficulty. In the flood of 1946, some 15 percent of the peak volume entering the river at Khartoum, mainly from the Blue Nile, was lost by overflowing the channel between Khartoum and the junction with the Atbara. The extent to which this loss would increase progressively for a much greater flow of the Blue Nile cannot even be estimated without contour maps of the valley, but the possibility should be kept in mind by future investigators. If, on the other hand, the great floods result primarily from a further and stronger northward penetration of the summer monsoon rains, it seems likely that the Atbara would increase in volume substantially more than the Blue Nile. The possibility of the activation of certain now-dry wadis downstream of the Atbara confluence, entering the Nile from the south and west and implying a substantial increase in rainfall over the western Sudan, should not be altogether overlooked. A detailed analysis by neutron activation of the chemical constituents of a core27of the silts deposited above the glacis at Semna South, and comparison with possible sources, might well cast significant light on the problem and contribute a clearer picture of the climate fluctuation that produced those great floods -and many more great floods in the Neolithic era.28

Although significant penetration of the summer monsoon north of the Atbara confluence, either to the east or west of the Nile, is unknown in modern times, we have evidence that something of the sort did occur in year 6 of King Taharka, 683 B.C. It even rained in Nubia "so that the hills glistened," according to a surviving stele, and the flood was very great (Vandier 1936:I24): bones of such swamp-loving fauna as the Nile Lechwe, water mongoose, and reed rat. We must therefore imagine that during the Neolithic Wet Phase the Blue and/or White Niles were substantially higher than today.

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BARBARA BELL

Now a wonderousthing occurredin the time of His Majesty, in Hnt-Hn-Nfr,"' never ... seen in the time of the predecessors,and this because his father Amon-Re loves him. His Majesty prayedfor an abundantNile ... his fatherAmonRe makes it reality ....

When the time came

for the flood of the Nile, it began to increase greatlyevery day; when it had passedmany days, increasing each day, it flooded the mountains of the southern lands and the low lands of the north. The land was like an inert primordial Ocean,the bankscould not be distinguishedfrom the river.... It happenedthat a downpourfrom the sky, in Nubia, made the mountains sparkle as far as their summits [unusualnorthwardpenetrationof the monsoonrains,particularlyin so far as any causal connectionis implied between the downpourin Nubia and the high flood]. Everyone in Nubia was rich in everything,and Egypt was also plentiful.... Everyonethankedthe King. ... Now this flood, recorded on the quay before the Karnak temple, rose to some 84 cm. above the present pavement of the Hypostyle Hall, reaching approximately the same height as the crest of the A.D. 1946 inundation when it overflowed the bank between Karnak and Luxor (Nims 1965:76). Assuming a rise of io cm. per century in the riverbed and floodplain, or about 2.6 m. in the 2629 years between these floods, the flood of year 6 of Taharka was about 2.6 m. higher than the largest of modern floods, and perhaps about the volume of the flood of year 9 of Amenemhet III, the smallest of the great floods of the Middle Kingdom. Such a flood in modern times, before the construction of the High Dam, would be a horrendouscatastrophefor Egypt. One may wonder whether it was then really such a glorious event as Taharka's stele asserts, but on the other hand, it is certainly unlike the ancient Egyptians to commemorate an unwelcome event with a special stele. A great flood of similar magnitude occurred in year 3 of Osorkon III about a century before and is commemorated-without the suspect enthusiasm --on a wall of the Luxor temple thus (Vandier 1936:123) :

Year 3, first month of season peret, day 2 under the Majesty of

. .

. Osorkon III. The water of

Ncin rose.. . in this entireland and it reachedthe two cliffs of the desert as at the origin of the world; the land was in its power,as (in the power) of the sea; there existed no dike made by the 29 The frontier region (H. Goedicke

1965 Kush 13:ro2f)

in

Nubia advancing by conquest to Gebel Barkal and the Fourth Cataract by the middle of Dynasty XVIII; thus the name may

[AJA 79

hand of man, that could withstandits force,men were like flies/grainsof sand on their town. (The water) was tremendous,it was high in the... like the sky. All the temples of Thebes resembled a swamp, the day of the going-outof Amon of Luxor [a festival], when his statue was raised and when he enteredthe Naos of his sacredbark, in this temple; the people of his city were like swimmers in the water ... We may imagine a similar condition associated in Egypt with the great floods commemorated at Semna. Vercoutter (1966:137-38)calls attention to a record of the flood level in year 6 of Senwosret II, discovered at the fort of ANIBA during the 1912 excavations by Steindorf. Aniba is roughly midway between Aswan and Halfa. This inscription, in the standard form, was located "on one of the blocks at the base of the main wall" at about 1.40 m. above the "normal level" of the modern flood. Sometime after 1912 the block apparently fell from its original position, "probably as a result of a very high flood subsequent to the excavations." One would tend to expect the Aniba fort to have been damaged by the great Semna floods, and even by those of Osorkon III and of Taharka cited above, unless the riverbed has risen since the Middle Kingdom in the vicinity of Aniba (as it has apparentlyfallen in the vicinity of Mirgissa). The inscription in the Dal Cataract, commemorating a water level close to the modern HWL in late January of 1869 B.C. and substantially in excess of anything recorded in modern times in this season, also presents difficulties of explanation. In modern times, the most variable tributary in the winter season is the Sobat, which joins the White Nile just above Malakal, and which in 1918 produced a January flow of about 300 percent above normal and in February over 6oo percent above its twentieth century normal. The Dal inscription implies a volume of flow of about 7.8xio"m."/day, and at its highest (in any season) the Sobat has produced only i.o8xio"m."/day(in February 1918). The highest twentieth century flow of the White Nile at Malakal, downstream of its confluence with the Sobat, is about 2.IxIo"m."/day,recorded in December 1964. It is doubtful that any great increase is possible because of the flatness of the land and the very slight gradient, only 16 m. over a distance well refer to the vicinity of the Nubian capital of Taharka at Merowe near Gebel Barkal.

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CLIMATE AND THE HISTORY OF EGYPT

of Iooo km. south of Khartoum (Hurst & Phillips 1938:17). Indeed "in a year of heavy rain practically the whole country, from the Ethiopian foothills to the Bahr-el-Jebeland the slopes of the Lake Plateau ['of East Africa], is under water" (Hurst 1952:245). Such rain occurred in the winter of 1917-1918,producing the highest recorded flow of the Sobat in February 1918, but falling far short of what is implied by the Dal inscription. This leaves only the Blue Nile. The highest recorded flow of the Blue Nile in the twentieth century in December is o.96xio"m.3/dayin 1916, but in the flood season it is of course capable of at least 8xiosm.3/day (i946) and probably more. Thus it appears that the Dal inscription should be interpreted as indicating an extraordinaryprolongation of the monsoon rains and/or remarkable strength and early onset of the spring rains over the Blue Nile basin sufficient to produce a January flow of some 5xio"m."/day,plus a flow of at least 2xio"m."/ day out of the White Nile including the Sobat. Nile Levels, Evidence from Egypt. There is no known geological evidence for very high floods during the Middle Kingdom in Egypt. This lack reinforces the evidence from Nubia, which indicates that the great Semna floods were not typical of the period. If they occurred in only some 25 to 40 non-consecutive years, however, geological evidence could hardly be expected nor should its absence cause concern. In addition, insofar as the excess water came from the activation of normally dry wadis entering the Nile from the southwest between Merowe and Dongola, that is from one or two heavy rains over the region-as suggested by the stele of Taharka for his great flood--one would expect the abnormally high waters to be of short duration. Insofar as the excess water came primarily from the Atbara and Blue Nile one would expect a longer duration of HWL, with much overflow between Khartoum and the Atbara confluence availableto run back and prolong a high level. The shorter the duration of the very high waters, the more difficult of detection would be any geological evidence. We may in any case, however, hope for the eventual discovery of archaeological evidence in the form of inscriptions and/or water-damaged structures in Egypt such as those found at Mirgissa by Vercoutter (1970) and his associates. One such possibility was kindly called to my attention by W.K. Simpson. Among the blocks from earlier temples re-used in the building

245

of the Third Pylon of the Temple of Amenre at Karnak were found two fragments of a XIIIth Dynasty stele referring to a great flood in year 4 of a King Sobekhotep. The relevant portion reads (Habachi 1974:2IO): ". ... Year 4, IV Shomu, the five epagomenal days under the majesty of this god (Sobekhotep) . . . His majesty proceeded to the hall of this temple, Hapi [the Nile god], the Great, has been seen coming towards his majesty and the hall of this temple full of water. His majesty was wading in it together with the workmen... ." It is immediately tempting to identify this king with the Sekhemre-Khutowy Sobekhotep I, whose year 4, ca. 1775 B.C., is commemorated by a greatflood inscription at Semna. In 1775 B.C., IV Shomu includes 20 Sep. to 19 Oct., with the epagomenal days covering Oct. 20-24, somewhat late in the year for such high waters, but even later dates are known (see n. 45 and nearby quotations from Ball relating to very prolonged high waters in A.D. i371 and A.D. i818), so the date is no obstacle. A very serious obstacle, however, is raised by the fact that the full royal name on the stele is Sekhemre-Seusertowy Sobekhotep; indeed the second part of the first names is so clearly different that we are obliged to reject the temptation. Habachi follows Beckerath's (1965) designation of Sobekhotep VIII and dating to the i6oos, which would bring the epagomenal days within the latter half of September. If this be correct, we must regard the stele as commemorating one of those great floods which occur from time to time, and probably without connection to the series commemorated at Semna. On the other hand we should not forget the paucity of evidence for the actual order of the kings in Dynasty XIII (see n. 48) and keep an open mind for an earlier dating of King Sekhemre-SeusertowySobekhotep, making it possible to see the great flood in his year 4 as part of the same climate fluctuation which produced the series of great floods commemorated at Semna. Of uncertain significance are two inscriptions from the reign of Senwosret III, cut on the rocks of the Island of Sehel, which record the making (undated) and the remaking (year 8) of a canal to facilitate the passage of the cataract at Aswan (Breasted 1906), analogous to the activitiesof Weni in the reign of Mernere of Dynasty VI before the First Dark Age. There is no indication whether the later canal was made necessary because low floods

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BARBARA BELL

[AJA 79

had clogged up the old passages, or because Senwosret III wanted to use larger boats than his predecessorsfor his military campaigns in Nubia. Nor should we overlook the possibility that the channel has become clogged by debris washed down from a local wadi after a heavy cloudburst. In addition to the evidence from Mirgissa and perhaps Semna South in Nubia, there are in Egypt itself a number of archaeologicalpoints which also argue against the ultra-high floods being typical of most of the period, points which concern the height above the river-level of numerous monuments of the Middle Kingdom. In considering these we must take account of the rise in the riverbed and in the surface of the alluvium, which Ball (1939:162-77) estimates as about 3.35 m. in the vicinity of Cairo. Unfortunately I have been unable to obtain sufficient information on the elevation of various relevant monuments, so that the following paragraphs are more speculative than I would wish and should be taken primarily as suggestions for future research. One striking fact is the absence of known Valley Buildings associated with the Middle Kingdom pyramids of Dynasty XII; they are either completely destroyed or buried under the modern cultivation to a greater extent than most of the similar Valley Buildings from the Old Kingdom, although surviving traces of causeways indicate that such Valley Buildings must have existed (Fakhry 1961; Edwards 1961). This suggests-although proof or disproof, if ever possible, must await further excavations or at least magnetometer explorations-that the Valley Buildings of the Middle Kingdom were constructed at a lower elevation, closer to the modern HWL, than those of the Old Kingdom. This in turn suggests that the floods were lower in the Middle than in the Old Kingdom. If the very high floods had ceased already by Dynasty VI, concurrently with the ending of the Neolithic Wet Phase, their memory would still be fresh and would influence the construction and placing of the Valley Buildings. If the later buildings were erected at a

lower elevation, as I suggest, they could have been more damaged by the ultra-high floods in the reign of Amenemhet III and his immediate successors. Then because of their damaged condition, they could be used as quarries by later generations with less strain on the conscience than one would expect in the case of well-preserved buildings. Moreover it seems unlikely that structures erected in an era of floods substantially higher than today should be so completely buried under the cultivation when the alluvium has risen at most about 3.5 meters. It may be significant that the burial chambers under the pyramids of Amenemhet I and Senwosret I at Lisht have not yet been explored because they are full of ground water that seeps in as fast as it could be pumped out. Use of a strong pump in one of the flooded nearby shaft tombs by the excavators from the Metropolitan Museum of Art resulted in lowering the water in the tomb by 40 cm. and no further. It also lowered the water noticeably in nearby shafts, indicating that the rock is very porous (1914 BMMA 9:207). Unfortunately I have not been able to discover any records of the depth of the water in any of these tombs, nor indeed any indication that soundings were taken in an effort to determine the depth by either the French (Gautier and Jequier 1902)30 or the Metropolitan Museum's excavatorsat Lisht. At the time it probablydid not appear to be of interest. But if the depth of water in any tomb approached 3.5 m., this would provide evidence for floods no higher than the modern when the tomb was built. Whatever the depth of the deepest water, its measurement would contribute toward setting an upper limit on the flood levels during the earlier reigns of Dynasty XII. The role of the Fayum lake, to be discussed presently, should be kept in mind by anyone seeking to investigate these various levels. The excavators of the Metropolitan Museum at Lisht concluded that the Pyramid of Amenemhet I was thoroughly plundered even of its casing stones and reduced to a shapeless mound of mudbrick early in the Second Intermediate Period

30 Gautier and Jequier (19o2) do give figures on the depth of the water below the surface, but their various figures appear incompatible with one another. Within the Pyramid of Senwosret I, they excavated a passage ca. 40 m. in length, sloping downward at about 25 degrees, and encountered water at a depth of ca. 22 m. (pp. 5-6). From their Figure 8 (p. 15) the water level appears to be ca. I8 m. below the surface around the pyramid. Beneath the Pyramid of Amenemhet I, a vertical shaft encounters water at ca. 8 m. (p. 94) and the shaft appears

to begin at about ground level (Figure Io6). It is doubtful that these two pyramids differ by anything like Io m. in ground level. In addition, water at the end of a burial shaft of a mastaba nearby the Pyramid of Amenemhet I is reported at 9.50 m. depth (p. o103), but in Figure 123 water appears at a depth of ca. 20 m. It is evident that this problem requires further study by someone with access to both large-scale contour maps and to the site itself.

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1975]

CLIMATE AND THE HISTORY OF EGYPT

(Mace 1921 BMMA i6), a conclusion derived from study of the remains of a village found aroundit and even on its flanks.It may have sufferedseveredamagein the high floodsof Amenemhet III's reign, a possibilitythat could be clarified by fullerinformationon the elevationof the desert plateau,describedas "low" (1926 BMMA 21:33), upon which this pyramidwas built. If the level is out of reachof even greatfloods,then perhapsthe pyramidwas damagedby a cloudburst,whichmay haveinspiredthe precautionsfor drainagetakenby the architectsof SenwosretII (see below). IN THEMIDDLE RAINFALL KINGDOM In the previous paper (Bell 1971) I reviewed brieflythe Neolithic Wet Phase-characterizedby a rainfallsubstantiallygreaterthan at presentover the Sahara,and probably(although not yet adequatelydocumented)widely throughoutthe Near and Middle East-and its gradualdecline to approximatelythe modern level of aridity by the end of the Vth Dynasty, ca. 2350 (Butzer 1958, 1959b, , 1965).There was no ecologicallysignificant revival of the rains over the desert during Middle Kingdom times, no return of the NWP (Butzer 1959c:58f);representationsof flora and fauna in the art of the periodindicaterainfallconditions indistinguishablefrom the modernaridity. For completenessand the convenienceof future investigators,I shall review what evidenceI have found pertainingto rainfall,excluding the floral and faunal materialalreadyanalyzed by Butzer (1959c), although no firm conclusions can be drawn. Egypt. The mountainouseasterndesert has always receivedmorerainfallthan the western(Ball 1939; Trigger 1965). Warm moist air from the southeast,from the Red Sea, is sometimesblown inland,to condenseon the peaksnear the sea and bring thundershowers,occasionallyeven violent 31 Lion waterspouts in Egypt are better known from the temples of the Hellenistic period. However they existed as early as the Old Kingdom. Fakhry (1969:174) reports of the temple of King Sahure of Dynasty V, ca. 2480 B.C., at Abusir: "Rain falling on the roof was carried off by lion-headed gargoyles, which projected well beyond the eaves, and fell into open channels cut in the pavement." And from the Empire period, on the Medinet Habu temple of Ramses III at Thebes, Wilkinson (1835:75) noted: "The head and forepart of several lions project, at intervals, from below the cornice of the exterior of the building, whose perforated mouths, communicating by a tube with the summit of the roof, served as conduits for the rainwater which occasionally fell at Thebes. Nor were

247

cloudburstswhich can turn dry wadis into raging torrentsfor a few hours,as happenedin November 1923 (Murray1967:45f;Sutton 1949:74f).On rareoccasions,perhapsonceeveryfew years,one of these stormsmay reachthe Nile Valley.It would appearthat this occurredrathermore frequently in the nineteenththan in the twentieth century A.D., for Wilkinson(1835:75)wrote:"Showersfall annuallyat Thebes;perhapson an averagefouror five in the year;and every8 or io yearsheavyrains fill the torrent-beds(wadis) of the mountains, which run to the banks of the Nile. A storm of this kind did muchdamageto Belzoni'stombsome years ago."In December1843in Aswan, Lepsius (1853:1i9) experienceda violent and particularly extensivestorm:"Heavyrain, and a violent thunderstorm. . . gatheredon the fartherside of the Cataracts,crossedwith a mighty force the granite girdle,and then,amidstthe mostviolentexplosions, rolleddown the valleyas far as Cairo,and (as we have since heard) coveredit with floodsof water, such as had been scarcelyrememberedbefore.... Rain is, indeed,so rarehere,that our guardsnever rememberedto have beheldsuch a spectacle .. " About a yearbefore,while exploringthe pyramid fieldat Giza,Lepsius(1853:53)experiencedanother brief but heavy cloudburst,this one presumably from the Mediterraneanand connectedwith the passageof a front.In the presentcenturyalso, occasionalheavy rains have been recorded(see Sutton 1949for datesand descriptions). It is clearthat the architectsof the Pyramidsof the Middle Kingdom Pharaohsconsideredit advisableto take precautionsagainstrainstorms,for the head of a lion waterspout"' which drainedthe broadflat roofsof the pyramidtempleof Senwosret I was found among the ruins at Lisht (Hayes 1953). And a shallow trench filled with sand to absorbthe rainwaterflowingoff the pyramidwas providedaroundthe base of the Pyramidof Senthey neglectful of any precaution that might secure the paintings of the interior from the effects of rain, and the joints of the stones which formed the ceiling being protected by a piece of metal or stone, let in immediately along the line of their junction, were rendered impervious to the heaviest storm." The waterspouts are described also by U. H61lscher in The Excavation of Medinet Habu III: "The drainage of rain water from one [roof] terrace to another and finally to the outside was a matter of special importance. Very large waterspouts, shaped like the forepart of a lion, form a conspicuous feature of the exterior walls of the temple" (p. 21; see also pp. 22, 46, and 49; for this reference I am indebted to C.F. Nims).

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BARBARA BELL

wosret II at Lahun (Edwards 1961), lest the bottom casing stones slip out of position and the whole casing collapse. Perhaps some such catastrophebefell the Pyramid of Amenemhet I, which may have inspired the precautions for drainage taken by the architects of Senwosret II. These various precautions indicate only occasional cloudbursts, such as Lepsius experienced and such as occur in the present century. They indicate nothing about the frequency of rain. However Butzer's (1959c) analysis of the flora and fauna represented in art leaves no doubt that rain was not sufficiently frequent to be of agricultural significance more than it is today. In year 2 of Nebtowyre Mentuhotep IV, at the end of Dynasty XI, rain in the Wadi Hammamat was deemed worth commemorating by a rockcarved inscription: ". . . Second month of the first season, day 23 [II Akhet 23 1996 B.C. February 8, Gregorian calendar, courtesy of R.A. Parker, pers.comm.J . . . The wonder was repeated, rain fell. The highland was made a lake .. ." (Breasted

[AJA 79

In spite of the rarity of rainfall suggested by this inscription, however, there must have been nomads living in the eastern desert-as indeed there are today and have been throughout historical times (Murray 1935)-because Henenu took with him an army and sent out scouting parties when he led an expedition to reopen the Wadi Hammamat for voyages to Punt in year 8 of Seankhkare Mentuhotep III (Hayes 1961; Breasted i906:209). One cryptic fragment of text might suggest that the eastern desert was, in the later reigns of Dynasty XII, typically less dry than it is today. A document containing copies of several dispatches from one Nubian fort to another was found in Thebes; the dispatches report the comings and goings of Nubians who came to Semna and to other forts to trade their wares, and also mention steps taken to keep track of the movements in the desert of the Medjay people (P.C. Smither 1945 JEA 31). In the publication of these dispatches, dated to year 3 of an unnamed king, probably Amenemhet III, Smither remarks: "It is surprising that it should

have been thought necessary to report such trivial activities officiallyto higher authoritiesand to other fortresses." Only one of these dispatches, No. 5, from Elephantine, dated to year 3, III Proyet 27 (early June 1839 B.C. if the assumption of Amenemhet III is correct), appears relevant to climate conditions. This concerns a small group of Medjay who come from the desert and express a wish to serve the "Great House" (Pharaoh) ". . . A question was put regarding the condition of the desert. Then they said, 'We have heard nothing at all; (but) the desert is dying of hunger'-so they said." After some argument, they were dismissed to their desert. If this event was deemed worth a report, it would suggest that the eastern desert and Red Sea Hills32 had suffered one or more exceptionally dry winters. It is tempting to see in it a hint too that unusual aridity in the desert may have played a part in the menace against which Senwosret III campaigned and strengthened his fortifications in Nubia. Nubia. In a previous section, I advanced the hypothesis that the great floods between 1840 and ca. 1765 B.C. were swollen by a greater northward penetrationof the monsoon rains than occurs today. It is therefore of particular interest to consider the fragmentary evidence bearing on rainfall in Nubia during the Middle Kingdom. In the west Nubian desert evidence has been noted by Murray (i95I) against any significant rainfall from early dynastic times to the present. In particular he calls attention to bodies found, between Aswan and Kuban, in shallow graves from the late predynastic and early dynastic era in so remarkablea state of preservationthat details of gross anatomy of the eyes and brain could still be identified. However such remarkable preservation is not usual in Nubian burials. Murray notes further a copper tool dated to the Old Kingdom, found lying on the desert near the Khafre diorite quarry-in the Nubian desert ca. 130 km. NW of Toshka-in a state of excellent preservation when found but now green in Cairo, as evidence of the aridity of the region over the past 4500 years. Murray inferred also a lack of wind and sandstorms

32Adams (i971) points out "The mere fact that people could live in the 'desert' would in itself be sufficient to indicate that there was some rainfall; otherwise human habitation would have been impossible . . . the hieroglyphic character which is translated as 'desert' must be presumed to refer to the whole Nile hinterland, including the Red Sea Hills which

have always received some rainfall. These, rather than the genuine desert, have always been regarded as the habitat of the Medjay (modern Beja). Hence the inscription would seem to refer to a failure of the rains in the Red Sea Hills, without reflecting in one way or another on the normal conditions of the true desert."

1906:216-17).

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from the fresh and uneroded appearance of inscriptions on stelae bearing the names of Khufu (Cheops) and Sahure, but the significance of this observation is uncertain, because he did not report the direction the inscriptions were facing. In these same diorite quarries in the western desert of Nubia have been found inscriptions of the names of Khufu and Dedefre of Dynasty IV, Sahure and Djedkare-Isesi of Dynasty V, but no names from Dynasty VI when alabasterlargely replaced diorite in Egypt (Trigger 1965:80). Murray (1951) attributesthe discontinued use of the diorite quarries, apparently ca. 2400 B.C., to the failure of their wells. Perhaps the ground-water around the wells had become depleted by over-use,for it would appear from the bodies mentioned above that the NWP in this general area had ended already by ca. 3000 B.C., but after a few centuries of disuse-perhaps aided by greater floods and some increase in rainfall early in the Middle Kingdom-had recovered enough to make reopening of the quarries practical for a time in the Middle Kingdom. The names of Dynasty XII kings Amenemhet I, II, III, and Senwosret I, II have been found at this quarry (A. Rowe 1939 Ann. Service), but significantly (?) not that of Senwosret III. After Amenemhet III the quarries were apparentlyabandoned for good, and sooner or later were quite forgotten. I say "significantly (?) not Senwosret III" because the evidence from Semna South may suggest that during his reign the floods were not significantly greater than modern floods, probably below the "good flood" of Senwosret I and some 8 m. (at Semna) below a number of the floods of Amenemhet III. It is tempting to postulate that the land of Kush, apparently peaceful after its defeat by Senwosret I, was troubled by drought-diminished rain and/or lower Nile floods-in the time of Senwosret III, who found it necessary to conduct at least four campaigns against Kush and felt impelled to strengthen and add to the system of forts in the region of the Second Cataract. This might be a question of rainfall as well as of lower floods, particularly if we accept the hypothesis that floods substantially greater than the modern level indicate a more northerly reach of the monsoon rains than occurs today. Several investigators have pointed to evidence that the people of the Nubian C-Group culture kept

It is now appropriateto discuss what is known and what can be most reasonably inferred about the level of Lake Moeris in the Fayum province from the beginning of dynastic Egypt ca. 31oo B.C. to the time of Herodotus ca. 450 B.C. It is appropriatethat this be done in a paper on the climate of the Middle Kingdom because the pharaohs of this era were particularlyactive in the Fayum province and because we need to investigate whether the lake might have functioned as a flood reservoir and thereby account for the large difference be-

33In imagining "vast herds" archaeologists are perhaps influenced by the claim of King Sneferu (ca. 2600 B.C.) to have

captured "200,000 large and small cattle" by war in Nubia (Breasted I906:66).

large herds of cattle as indicating that the climate of Nubia in the Middle and early New Kingdom times must have been rather less arid and thus permitted the growth of more vegetation than at present (Arkell 1961:66; Emery 1965:159). However Adams (1971) points out that "vast herds" may be an "archaeologist'smyth." What the archaeological evidence proclaims is not that cattle were abundant but that they had high social and ritual significance-and probablythereforethat they were not highly abundant. Whatever else the CGroupers were, they were a fully sedentary, village-dwelling people commanding substantial material wealth-conditions which we do not expect to find among pastoralists." In describing his excavations of the Middle Kingdom fort at Buhen, begun by Senwosret I, Emery (1965:1o9) further states: "The two arterial roads, which were paved with stone and burnt brick tiles, each had a drain runnel down the centre, which suggests that Nubia must have had a greater rainfall at that time than it has now; for such a feature would be unnecessaryat the present day." To the best of my knowledge, this feature has not been found in other forts, although a number of drains running from particular rooms are known at Uronarti (Dunham 1967:24, 30; Plate XVIIA,C; map VI), and at Mirgissa (Dunham 1967:148-52, map XVII; Vercoutter 1966:138, n. 37). We may conclude, provisionally, that cloudbursts were somewhat more common than they are in the present century, perhaps something more akin to nineteenth century conditions as described by Wilkinson (1835) and by Lepsius (1853) for Upper Egypt. LAKEMOERIS ANDTHEFAYUM

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tween the Elephantine and the Cairo levels given for a "good flood" by Senwosret I. Egyptologists agree that Amenemhet III built extensively, including irrigation and/or land-reclamation works, in the Fayum province. But since only the most fragmentary remains have been found, there is no agreement about exactly what he built or about the particulars of his irrigation and/or reclamation works, or even about the approximate level of the lake in these years. Herodotus (II, ioi and 148-49) credited a King Moeris-usually identified with Amenemhet III"-with the construction of a vast artificial lake: "Marvellousas the Labyrinth is, the so-called Lake of Moeris beside which it stands is perhaps even more astonishing." We should note particularly that he says, after visiting the lake in person, that the Labyrinth stands beside the lake, not at some distance from it. He further reports that the lake was 3600 furlongs in circumferenceand 50 fathoms (about 90ometers) deep in the deepest part, which would make it a vast lake filling the major part of the Fayum depression; and that for six months the water flowed from the Nile into the lake, and for six months flowed in the reverse direction. The Birket Qarun, with its surface at -45 m., below sea level, is the meagre modern remnant of Lake Moeris. Modern geologists agree that the Fayum depression itself is a wholly natural formation, not a human construction, which attained its present shape at least some millennia before historic times. But they agree on few other aspects of the history of Lake Moeris. Although the Fayum has been studied by a number of able and distinguished scholars, both geologists and archaeologists,the level of the lake at various eras between the Neolithic and the Ptolemaic has long been the subject of controversy and incompatible views. Although a definitive history of the lake requires further field study with the most modern procedures, it nevertheless appears worthwhile to outline here a history of the lake during the dynastic period that seems most in harmony with presently available archaeological evidence and with our general concepts of climate variation. Ball (1939) provides a convenient historical summary of the various conflicting theories of the lake which I shall not detail here.

It is generally agreed that the Fayum lake rose from a very low level in the late Paleolithic to around +18 m. above modern sea level when high floods broke through the Hawara channel, linking the lake basin to the Nile, and that the lake was in free connection with the Nile during the Neolithic period. Almost immediately thereafter a divergence arises in scholarly opinion. According to some, Sir Hanbury Brown and Sir Flinders Petrie among them, the lake remained thereafter at a relatively high level, fluctuating annually in free connection with the Nile from Neolithic times down to the age of the Ptolemies. This concept was challenged by Caton-Thompson and Gardner (1929) who found artifacts and habitation sites of what they considered to be an early to middle Neolithic (Fayum A) culture just above the +18 m. contour, while they found what they believed to be late Neolithic (Fayum B) artifacts on beaches at +Io and -2 meters. They accordingly argued that the lake, after rising to +18 m. in the time of the Fayum A culture, then declined by stages, with prolonged pauses at the +o0 and -2 meter levels (where they also found some artifacts attributed to Dynasty IV), and never did regain a high level or free connection with the Nile either in the time of Dynasty XII or in the time of Herodotus. The necessity for postulating a decline in lateNeolithic times has, however, recently been removed by radiocarbondates which indicate that the Fayum-B culture is terminal Paleolithic and about a thousand years older than the Neolithic Fayum-A culture (Wendorf et al. 1970), quite the reverse of what had been generally believed since the work of Caton-Thompson and Gardner. From these new radiocarbondates, it seems clear that the lake had risen by Neolithic times, in two (or more) stages, stabilizing for a time at the -2 and +-10 m. levels where the Fayum B artifacts were found, then rising later to the +18 m. level, with Fayum-A sites along the shore to the north of this +18 m. lake. And indeed, Said et al.35 (1972), in their recent examination of several sites along the northern beaches, obtained evidence for four relatively high levels, progressively increasing from ca. 6150 to ca. 3900 B.C. (uncorrected C" dates), and separated by intervals of lower lake levels. This sug-

34From his throne name, Ny-maat-re. But it has also been suggested that the name Moeris derives not from the name of any king but from Mi-wer, the name of both a town on the lake and of the canal linking the Nile with the lake (Ed-

wards I96x:230). 30 One of the co-authors, Prof. C.C. Albritton (Southern Methodist University), kindly provided me with a copy of this article in page-proof.

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gests that a number of climate fluctuations affected the volume of the Nile during the Neolithic period. By the time of the Fayum-A Neolithic culture ca. 3900 B.C. the lake was typically around 16.5 m. and at times as high as 20 m. above sea level. Ball (1939) had developed a compromise view and suggested that the claim of Herodotus that King Moeris had the lake constructed is best understood as meaning that the king caused the lake to be refilled"6by clearing out the Hawara channel which had become silted up-in late Neolithic times according to Ball, who to this extent accepted the interpretation of Caton-Thompson and Gardner. Such a silting, however, is clearly contrary to the evidence obtained by Said et al. (1972) for a high lake level during the Old Kingdom. It is still possible that the channel was silted up at the beginning of Dynasty XII, but if so I suggest it most probably occurred late in the Old Kingdom or during the great drought (Bell 1971) of the First Intermediate Period. One of the stronger arguments in favor of a high lake level from Middle Kingdom, or even from Fayum-A, to Ptolemaic times is the fact that no pre-Ptolemaictowns or their ruins have been found below +18 m. (Shafei 1960). In the words of Wilson (1955 INES 14:219): "The ancient sites in the Fayium thus fall into two classes: those running from the Middle Kingdom onward, at or above the 20-metercontour line, and those from the Ptolemaic and Roman period, at or above the o-meter line." This view is supported by the research of Said et al. (1972). In addition we have the eyewitness testimony of Herodotus.37The explanation of CatonThompson and Gardner (1929) that Herodotus mistook flooded fields for part of a vast lake is not persuasive when the depth he gave is reasonable and when he had seen many flooded fields in the region of Memphis and Giza. If the Hawara channel became clogged during

the First Intermediate Period, due to insufficient

36 Ball calculated that only about 5 years of average-modern floods would be needed to refill the lake from -2 to +16.5 m. and bring it into equilibrium with the low Nile, if it received about ten percent of each year's flood waters. Ball further believed that the lake remained large and in free communication with the Nile from early in Dynasty XII until it was reduced to sea level by land reclamation projects of the early Ptolemies in the third century B.C. 7 On behalf of the accuracy of Herodotus and the reality of his visit to the site, it is worth recalling that he mentioned an underground passage into the Hawara Pyramid in the corner of the Labyrinth adjacent to the Pyramid; attention to

this claim would have saved nineteenth century excavators of this Pyramid much labor. For our period he has also a reasonable order of the kings: (i) Moeris, "builder" of the lake (Amenemhet I); (2) Sesostris, the great conqueror (Senwosret I and III); (3) Pheron, afflicted by an excessive flood, see below (Amenemhet III). Not surprisingly, he does have them dated wrong, to 900 years before his own time, whereas the reality is around I5oo. Petrie (1927 Antiquity i) pointed out that in general Herodotus's History of Egypt would be vastly improved if the sections 124-36 were placed before 00oo-123, on the assumption that at some time in the past these segments of the manuscript had become erroneously transposed.

floods (Bell 1971) and/or drifting sand (Butzer

1959a), the lack of Middle Kingdom sites below +18 m. would indicate that the king who restored the lake to free communication with the Nile by removing accumulated silt and blown sand from the Hawara channel, thus widening and deepening it, must have been Amenemhet I, as Ball (1939) argued, rather than Amenemhet III. Indeed in the time of the ultra-high floods attested by the Semna inscriptions the lake would almost surely have recovered the free connection by itself without human aid. Once the channel was clear enough to permit free communication with the river, then according to Ball (1939:Ioof): The lake . . . functioned as a combined Nile flood-escapeand reservoir, not only protecting the lands of Lower Egypt from the destructive effectsof excessivelyhigh floods,but also increasing the supplies of water in the river after the flood-seasonhad passed. . ... Amenemhat's[primary] object in improving the channel of communicationbetween the Nile and the lake must have been to provide an escape for excess floodwater, ratherthan to secureincreasedsuppliesin the river at the low stage; for the Ancient Egyptians, practicingas they did only the basin or flood system of irrigation,are not likely to have been particularlyconcernedabout increasingthe low-stagesuppliesof the river, while they would naturally be anxious for protection against the wide-spreaddamage, in the shape of breachesof the river-banksand destructionof houses and gardens,that resultedfrom very high floods.... ... One of the great meritsof the work carried out by Amenemhat [was] that the higher the Nile flood, the greater would be the proportion of the flood-watersthat would automaticallyescape into the lake; for the greaterthe height to which the river rose, the greater would be not only the cross section of the escapingstream,but also its slope, and thereforeits velocity .... Once the canal had been dug, the escapeand the return flow would take place automatically,so that there would be no necessityfor artificialregulation;and

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indeed it is noteworthythat Herodotusmakes no mention of any structuresfor regulatingthe flow of water in the channel,as he would almost certainly have done had such existed in his day. Even silting-up of the Channel would be naturally prevented;for the silt depositedin it during the time of slack water in any year would be scoured out again by the rapid rush of the water at the next flood season. Ball further notes that the first mention of sluices for regulating the flow appears to have been made by Diodorus around 44 B.C., although Shafei maintains that the flow was regulated (1960) throughout Pharaonic times from the reign of Menes. If such a construction as postulated by Shafei actually existed, perhaps traces of it may someday be found by a magnetometer survey of the Hawara channel. Ball's judgment that the channel, once dug or naturally formed, would keep itself clear and free of accumulated silt makes it doubtful that the channel, once formed in pre-Neolithic times, with a generally accepted high-lake level at about +18 m. in the Fayum-A period ca. 3900 B.C. by the new (uncorrected) radiocarbon measurements (Wendorf et al. 1970), could silt up again except in a period of very weak floods. There is an indication -from the early A-group fireplace found by SaveS6derbergh (1964 Kush 12:25) at Askeit buried beneath some 120 cm. of Nile silt within which were late A-group graves-that the floods were lower for a time in the late predynastic than in the early dynastic period."8But this evidence does not indicate whether they were sufficiently lower to cause siltation of the Hawara channel. Early Dynastic. Menes, legendary founder of the united kingdom of Upper and Lower Egypt-ca. 3ioo B.C. by the chronology of the revised Cambridge Ancient History-may have done something to restore the connection, or to reduce the inflow, depending upon the then level of the floods and 38 Although it is outside the period we are investigating, it is of interest to estimate the magnitude of flood implied by this evidence while we have the gauge levels conveniently at hand. Sive-S6derbergh (1964 Kush 12:24-25) reportsthat the fireplace was found at about 5.7 m. above the present (1963 March 20) level of the Nile, "on the coarse sand and covered with a layer of 120 cm. of silt. Thus, some time between the Early AGroup and the Late A-Group the level of the Nile must have risen (about 7 m. above the present level) and deposited more than a metre of silt." Now the level of the Nile on 1963 March 20 was I19.55 m. at Halfa (courtesy of the Sudanese Ministry of Irrigation), so that at the time when the layer of silt was deposited the HWL must have been at least 126.5 m. By Table 2 this is seen to be similar to the flood of year 15 of

[AJA 79

condition of the channel. Herodotus reports that the priests told him that the Nile used to flow along the base of the sandy hills of the Libyan desert,"''until King Menes closed this channel at a distance of ioo stades (about 20 km.) upstream from Memphis and diverted the river into a course more or less midway between the two deserts. Shafei (1960) believes that this tradition derives from Menes having caused the Egyptians to build an earthen dam or weir at Lahun to control the amount of water flowing into the Fayum basin, either to reduce an excess of flood-water or to prevent the Fayum lake from depriving the fields of Lower Egypt. However we have seen that Ball believes that a reasonablyopen channel would automatically act as a regulator of the flood in Lower Egypt, and that a dam would not serve any useful or necessaryfunction. Shafei further considers that the main channel of the river originally ran in the present Bahr Yusef but was deflected to a more easterly course by the works of Menes. Because of the tradition, although evidence is lacking, it seems likely that Menes did do something remarkable about the floods, and whatever he did may have played no small part in establishingthe dogma of the divinity of the King of the Two Lands and the popular belief in his control over, and responsibility for the Nile flood and the proper order of Nature (see Bell 1971:19). Old Kingdom. There is good evidence that the lake attained to a level of 20 to 21 m. during Dynasty III, IV, and much of Dynasty V, to ca. 2350 B.C. One persuasive item is a man-made road to the north of the Birket Qarun. The road runs about 6.5 km. from a basalt quarry southward to end in a "great elongated dump of colossal, weathered basalt blocks" (Caton-Thompson 1927 Antiquity i) on the north shore of the 21 m. lake, near a temple at Qasr-el-Sagha. Shafei (1960) gives the following elevations above sea level, all arguing for Amenemhet III, or a little more because the site is a few km. downstream of Halfa, perhaps reading I27.0 m. at Halfa. Thus the deposition of the 120 cm. of silt between early and late A-Group times at Askeit would require floods at least as large as the smaller floods recorded at Semna in the reign of Amenemhet III some 1200 years later. It is to be hoped, that as the method becomes more perfected, thermoluminescent dating of pottery fragments from this site will make possible a more exact dating of this period of very high floods. " Presumably in the course of the modern Bahr Yusef, now a minor branch of the Nile in Middle Egypt which drains into the Fayum lake; and in the judgment of Butzer (1971) never more than a minor branch.

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a lake level of 20 to 21 meters when they were built or in use, which was most probably during the Old Kingdom:40 paved floor of Qasr-el-Saghatemple top of eastern Qasr-el-Sagharamp top of western ramp top of the dolerite dump

+35.00 m. +20.48 m. +22.04 m. +20.72

m.

Surviving fragmentary records indicate (Bell 1970) that the floods of Dynasty II to early V averaged 70 cm. (or more, depending on the assumption about the zero of the scale) lower than those of the First Dynasty. Allowing half a meter or so for the rise in the level of the floodplain and lake bed from Dynasty I to IV, it would appear that the level of the Fayum lake in Early Dynastic times must have been about the same as during Dynasty IV and V, or 20 to 21 meters. As shown previously (Bell 1971), the collapse of the Old Kingdom was accompanied (whether caused or not) by a number of years of very weak floods and it is possible that the Hawara channel became silted up so that the lake level fell substantially. On this point clear evidence is lacking. Surely relevant, although still lacking precise dating, is the Gisr el-Hadid, an impressive beach extending nearly 50okm. along the southwest of the Fayum depression at RL +22 to 25 m., first recognized as a significant feature and investigated by Little (1936:209f). He was subsequently able to trace this feature nearly all the way around the Fayum, with only a few interruptions, and to identify the Idwa Bank as part of it. Little's more detailed studies were made at a point some 8 km. WSW of Qasr Qarun. There among the sands and gravels of the Gisr el-Hadid, under a few cm. of blown sand, he found fragments of pottery (B-series, not to be confused with Fayum-B of Caton-Thompson and Gardner) of post-Neolithic, dynastic but otherwise uncertain date, at RL 22-24 m. And further, Little (1936: 209f) reports: 40 Because it has no inscriptions, the temple at Qasr-el-Sagha cannot be dated with certainty, but it has been attributed on stylistic grounds to late Dynasty III (P. Gilbert 1944 Chron. d'Egypte). Also relevant to the dating is the fact that, from his analysis of various Egyptian rocks, Lucas (1930 JEA 6) concluded that the basalt or dolerite used in a number of Old Kingdom monuments most probably came from the Fayum quarry at the north end of this man-made road. In particular he noted that this basalt was used in the pavement of the mortuary temple of Khufu (Cheops) and in the sarcophagus of Menkaure of

253

Underlyifigthe Gisr el-Hadid is a stratifiedsandrock seriescontainingin placesPotteryA, Dynastic, RL 17-22 meters. ...

We cannot avoid the

conclusionthat the PotteryA and Pottery B deposits representstages of the historic Lake Moeris. [Excavations on the reverse slope of the beach] show that in many localitiesthe Gisr rests on wind-bornematerial.This is chiefly a rather fine yellow sandrock,structurelesson the whole, and probablyonly affected by the lake to the extent of being slightly consolidated. .

.

. Evi-

dence for flourishingvegetation is seen in very numerouscalcifiedrootletsand partsof the trunks of large trees, which must have grown by a lake side upon deposits of an earlier lake. .

.

. These

underlyingdepositsare historic [containingfragments of Pottery A]. The Gisr, in its transgressive character,rests also on deposits probably older than those of historic date. These older depositsare (a) a greenish sandrock,ratherbetter stratified(but showing a tendencyat the top to pass into a yellower type of more wind-borne appearance),with a fauna distinctivefrom any of the foregoing, and (b) a travertine-cemented conglomerateof beach-origin,the BeachConglomerate, composedof limestonepebbles,and richly fossiliferous.The fauna of the Beach Conglomerate as well as its field relationsunite it with the upper, yellowish part of the greenish sandrock, which latter is stratigraphicallythe oldest lake-sanddeposit preserved[and probablyPaleolithic]. The features of primary interest to us here are the Gisr beach itself at 23 m., the layer of wind-

borne sand beneath it, and the next-down layer of slightly consolidated sandrock with Pottery A deposits at RL 17-22 m. It is tempting, in absence of more precise dating, to link the Pottery A to the Old Kingdom, the evidence of trees to the Neolithic Wet Phase ending ca. 2350 B.C.; the windborne sand to the First Intermediate Period and Butzer's (I959a) drifting dunes of sand invading the Nile valley of Middle Egypt from the west at the time of the weak floods (see Bell 1971); and the Gisr itself with Pottery B to the high floods and high lake levels of the Middle Kingdom and perDynasty IV, and in the pavement of two Dynasty V mortuary temples at Abusir, and further pointed out that basalt was widely used in Egypt only during the Old Kingdom. It would appear that the basalt quarry was abandoned about the same time as the diorite quarry in the Nubian desert (Murray 1939), at about the end of the Neolithic Wet Phase. It may well be that the abandonment of the basalt quarry was caused by declining Nile floods and a silting up of the Hawara channel, which made transportation of the large basalt blocks too difficult, during the VIth Dynasty. But tangible evidence is lacking.

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haps also to the time of Herodotus and his Lake Moeris. Recent findings (Said et al. 1972) of pottery believed to date from the IVth Dynasty, and buried within lake sediments at an elevation of 22-24 m. RL at the foot of the Old Kingdom temple of Qasr-el-Sagha, lend support to this interpretation. However, radiocarbon dating of shells and fossils, and thermoluminescent dating of pottery fragments found in the Gisr and its underlying strata will be necessarybefore the Gisr features can contribute their full potential to the history of Lake Moeris. Middle Kingdom. If, as I postulate, the lake had fallen to a lower level during the First Dark Age, it had recovered at least to a level of 20 m. by early in the Middle Kingdom. Whether this recovery occurred spontaneously with the return of more vigorous floods under Dynasties X and XI, or only with the aid of cleaning operations on the Hawara channel ordered by Amenemhet I, we have no evidence. Petrie (1889) concluded that Amenemhet probably reclaimed from the lake the site of the capital, called Shed "the extracted" or "separated," on the site of the modern Medinet el Fayum, and thus established the "land of the Lake." However it now appears that the town of Shedet was already known in the Old Kingdom as a cult center of the god Sobek (Hayes 1961:50). The work, then, of Amenemhet I and subsequent XIIth Dynasty rulers consisted in reclaiming additional land around the town for agriculturaluse by building dikes and canals for irrigation and drainage. It is considered significant of his special interest in this district that Senwosret II chose to build his pyramid just north of the narrow defile in the hills of the desert which constitutes the Hawara channel, at El-Lahun, a name meaning "the Mouth of the Lake" (Kees i96i:214). However the major development of the Lake District was in all probability the work of Amenemhet III, who was renowned there in Classical times, in legend, "for having been the first to make the Fayum accessible to mankind" (Kees i96i:219). Some archaeologists have suggested that the Idwa Bank was part of the dike system built by Amenemhet III, but geologists (Little 1936, Ball 1939, Caton-Thompson and Gardner 1929) agree that the Idwa Bank is beyond doubt a natural feature. It remains possible, however, that Amenemhet III could have utilized the Bank as part of his dike system. At Biahmu, on the Idwa Bank-their location

[AJA 79

indeed suggesting he made some use of the BankAmenemhet III erected a pair of colossal seated statues of himself, which were seen and reported by Herodotus as seated atop pyramids ioo meters high in the middle of the lake. In fact the colossi were not in deep water, if in any at all, and Shafei (1960:204) offers a plausible explanation for this error by Herodotus. He points out that the lake was divided administratively into a northern and a southern lake, as indicated by a stele found by Daressy (1899 Ann.Serv. 1:44-46) among the ruins of the village of Quta, at the west end of the dynastic lake (above RL +21 by Shafei'smap). The left column of this stele reads "Boundary of the southern lake of the god Sobk"; the right column reads "Boundary of the northern lake of the god Sobk"; and the central column reads "This stele has been (erected) on the shore of the lake by the head of the village of Nekht." Thus, Shafei suggests, the priests were telling Herodotus that the colossi stood on the boundary between the north and the south lakes, "in the middle" between the northern and southern administrative divisions; whereas Herodotus took "in the middle" to mean in the deepest part-whence he would infer the statues sat atop ioo m. pyramids by adding the 90 m. depth of the lake to visible statue bases of some io m. height. Another item from Herodotus may be noted here. He wrote that when Sesostris-a king to whom he attributed such incredibly wide-ranging military campaigns that some scholars have seen him as a legendary fusion of Senwosret I and III and Ramses II, and perhapsThutmose III-"When Sesostris died he was succeeded by his son Pheron [see n. 37], a prince who undertook no military adventures. . ... One year the Nile rose to an excessive height, as much as eighteen cubits (9-4 m.), and when all the fields were under water it began to blow hard, so that the river got very rough. The king so far forgot himself as to seize a spear and hurl it into the swirling waters, and for this act of presumption ... he became blind. . . ." Any attempt at interpretationof this passage must clearly refer to the flood below the Hawara channel into the Lake Moeris. If we recall the 6.6 m. given by Senwosret I for a "good flood" in the vicinity of Old Cairo, a figure of 9.4 m. on the same scale for one of the great floods commemorated at Semna seems entirely reasonable. Shafei (1960:196) estimates that the high and the

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low Nile, near Beni Suef at the entranceto the Fayum, were about 17.8 and 24.2.m. respectively duringthe IVth Dynasty,with the lake fluctuating annuallybetween i9.o and 21.0 m., given annual floodsof modernvolume.These levels would rise to 18.5 and 24.9 m. for the Nile and 18.7 to 21.7 m. for the lake during Dynasty XII, and to 19-7 and 26.1 for the Nile and i9.9 and 22.9 for the lake in

the time of Herodotus, due to the rising of the riverbed and floodplain caused by the annual deposition of a thin layer of silt. In the case of the great floods commemorated at Semna between 1840 and ca. 1775 B.C., we would then expect a HWL in Egypt some 4 to 6 m. above normal (from Table 2, Halfa column), and if the high water had any substantial duration-as it must if it came from the Blue Nile -we might expect a lake level 2 to 3 m. above normal, or about 24 m., in good accord with the high-

est post-Neolithic beaches found by Little (1936) and by Said et al. (1972).

Let us return for a moment to Amenemhet III's colossi at Biahmu. Only fragments of their bases have survived to modern times. These were examined by Petrie, who noted two items of interest in connection with the ultra-high floods that occurred in the reign of Amenemhet III. Around the foundations, Petrie (1889:56) noted that the foundation "ground is black mud with strata of coarse sand irregularly through it; the sand is native and is so coarseand clean that it must have been brought in by the bursting of chance dams in the entranceof the Fayum, which let a mass of water in that swept all before it, and brought with it a rush of desert soil." In addition Petrie found a fragment of an inscription that mentioned restoring works that were injured. Authorities (Ball, Shafei, Caton-Thompson and Gardner) agree in giving the elevation of the pavement of the courtyard in which the colossi stood as 18 m. above sea level, and the latter,in their argument for a low lake level, emphasize the lack of Nile silts in the interstices and the lack of water rings on the stones of the bases of the colossi. In view of other evidence for a lake level as high as 23 m., the lack of water rings would seem rather

255

the Idwa Bank, were perhapsintendedto guard, with the divine power of the Pharaoh,the reclaimedlandsfrom excessiveflooding.41 In view of the extremelyhigh floods recorded in a numberof the yearsof AmenemhetIII, it is reasonableto infer that his legendarywork of reclamationin the Fayuminvolvedboth the reclamation of swamplandsby improveddrainagefor normal years,and the reclamationof portionsof the lowest desertby irrigationworks which could be used only in the yearsof the great inundations. As to the levelof LakeMoerisafterDynastyXII, I have found no informationon its conditionuntil the descriptionby Herodotusca. 450B.C. However it appearsthat the Fayum was a popularhunting ground,especiallyfor waterbirdsand marshbirds, during much of the New Kingdom (Kees i961: 218), as indeedit was duringmostof the pharaonic period(ibid.:226).A "centralisland"of the Fayum is knownfromthe New Kingdom,referringprobably to the reclaimedland aroundthe capital,and suggestinga continuedhigh lake level. While the lake may have had its declinesin periodsof low Niles, the lack of pharaonicruins below 18 m. stronglysuggeststhat the lake stoodat a high level in free connectionwith the Nile duringall the periods when there was significantbuildingactivity in Egypt. Lake Moerisand the levels of the Nile. In this section we shall estimatethe effect of a free connectionbetweenLake Moerisand the Nile on the high and low waterlevelsof the Nile downstream of the Hawarachannel.In particular,we shallconsider whether the two figures given by Senwosret I for a "goodflood"can be reconciledby the actionof the lake,thuswhetherthe "goodfloods"were probablysignificantlyin excessof the modernor whetherit is necessaryto assumethat the zero of the Elephantinescalewas one or two metersbelow the modern (and ancient?) LWL. The areaof the Fayum basin at the 20 m. contour level is 2100 km.2or 2IxIo8m.2 (Ball 1939:203). If the lake level typicallyfluctuatedover about 5 meters,from 18 to 23 m., it could take in about

to testify to the formidable dikes-part natural (Idwa Bank) and part constructed-in the reclamation work of Amenemhet III. The statues, located on

IooxIo"m." of water from the Nile flood. The loss by evaporation is estimated (Ball 1939) at i80 cm./

41 Each colossus stood in a small courtyard surrounded by

protection from the great floods, nor from the highest postNeolithic lake levels detected by Little (1936) and by Said

a wall of 6 courses of stone 12-14 ft. (about 4 m.)

high

(Petrie 1889: plate XXVI). Thus the tops of the walls would have been at about 22 m., which seems not high enough for

year, similar to the modern Birkit Qarun, or about

et al. (1972),

these being at 22 to 24 m.

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[AJA 79

founding of Dynasty XII, or possiblyin the earratedduringthe floodseason,thenwith a rangeof 5 lier droughtbetweenca. 218o and ca. 2130 B.C. The lowestLWL in modernrecordsoccurredin m.42 the lake could actually take in about Ii5xIo"m." to returnto the 1922, with a volumeof 0.24xIO0or 24 millionm. It wouldthen haveabout75xio"m3. or about8.3xIo"m.3/ per day and an estimatedgauge level at Aswan of riverovera periodof 9 months,43 month. 83.5 m. When "the river of Egypt is empty,men Now the capacityof the Aswan reservoirafter crossover the wateron foot,"one is justifiedto ex1935and the last raisingof the height of the old pect considerablyless than 24 million m.3/day,and dam was some 50xio"m.",and this, released gradu- one mightreasonably postulatea LWL of 83.0m. or even less. a With LWL at 83.0m., we have HWL acted over the months June Februarythrough ally to raisethe LWL of the Nile by abouto.8 m. (see at 94-3m., and a volume of I2.5xio"m."/dayfor a Ball 1939:7). It is evidentthat Lake Moeriscould "good flood" in the reign of SenwosretI, only do no moreand would probablydo somewhatless, slightly largerthan the largestfloods of the past becausethe outflowof the Aswan reservoiris regu- century. At somepoint in his reignAmenemhetI moved latedto be greaterin the monthswhen the natural river is lowest, but the lake would surely drain his capitalfrom Thebes to Itj-towyin the north most brisklywhen it was relativelyfull. (Simpson1963JARCE2:57-59),and it is reasonable to assumethat the northernNilometerswere not that it was confirmed Trial calculations44 established at that time, after the drought had of the annual possible,underany plausiblepattern and the LWL returnedto near its modern variationof the Nile, to reconcilethe Elephantine passed of level to and the near-Cairofiguresgiven by SenwosretI. 84.0 85.0 m. at Aswan, giving an annual The lake is simply not large enough-even at a rangeof around9.3m. there,but I1.3m. above the zero of the olderNilometer;and with a range rangeof 6-7 m., and one can hardlyconceiveof it of about 8.o m. at Halfa and in Egypt abovethe having a largerrange than the Nile itself downstreamof the Hawarachannel-to take off enough Hawarachannel,and 6.6 m. below the channelto the lake. Thus we would have in the earlypartof water at the flood crest to have enough to return XII above Beni Suef a HWL similarto Dynasty over the remaining9 months to lower the HWL that of the modern period A.D. 1870-1898and a and raisethe LWL belowBeniSuef to 6.6m., if the LWL similar to that for A.D. 1900-1960;below range above Beni Suef were io.o m. (11.3 m. at Beni Suef we would have a HWL similarto that Aswan implies about 1o.om. at Halfa, typicalof sinceA.D. 900oo, and a LWL similarto thatof A.D. Egypt itself). 1870-1899, the somewhat greater range of the floods We are forcedthereforeto concludethat if the in the i9oosB.C.beingmoderatedbelowBeni Suef zero pointsof SenwosretI's Nilometersat Elephan- by the free connectionwith Lake Moeris. In the latterpartof the MiddleKingdom,as we tine and nearCairoeachrepresenta LWL, the two at established different have Nilometersmust havebeen seen,thereoccurreda numberof yearsof extimes.The AswanNilometerindeedmusthavehad tremelyhigh floods,as muchas 4 to 6 m. abovethe its scale fixed in a period of exceptionallylow modern-normalin Egypt if the excessivewaters LWL, such as that reflectedin the Prophecyof arosefromthe usualsourceof Nile floodwaters,the Neferty,in the droughtimmediatelyprecedingthe drainagebasinsof the Blue Nile and the Atbara 4oxio"m.3

If we assume that about I5xIo8m."is evapo-

42 Actually Ball (1939:139f) estimates that a 7 m. flood would lead to a seasonal fluctuation of only about 2.5 m. in the level of the lake. From its geological section (Little 1936) the Hawara channel, if free of silt, had a width of 500 to 6oo m. from RL 9 to 20 m. and increased suddenly to 8oo m. at RL 20 m. and gradually to ooo000m. width by RL 25 m. If this section is typical, quite a substantial portion of a high flood could escape into the Fayum lake in the event of a relatively prolonged flow close to the HWL. 43 It should be noted that although Herodotus spoke of the lake rising for six months and falling for six months, this is quite impossible with a seasonal distribution of the Nile volume similar to the modern and more than a 2-3 m. fluctua-

tion in the lake level. And we must have a larger fluctuation to allow any hope of reconciling the figures of Senwosret I. 44 The trial calculations were graphical: I plotted the Halfa gauge readings, and the volume, separately for each io-day interval using the mean of I890-i899 and the mean of 19121927. To these graphs I then added conjectural curves for Senwosret's floods, guided by the need to have a range of Io.o m. above and 6.6 m. below the channel to the lake. The difference between the curves would give the inflow to and the outflow from the lake. The needed inflow and outflow substantially exceeded the capacity of the lake over a range of even 7 m.

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in Ethiopia. On the other hand, if any significant part of the excess waters at Semna arose from a few days of heavy rains over the central Sudan south of Dongola, we could expect a much sharper flood crest-with the very high volumes estimated in a previous section lasting only a few days, conceivably only a few hours; in this (admittedly somewhat unlikely) case, the volume would be substantiallyreduced by the time it reached Middle and Lower Egypt as a result of flooding beyond its normal limits all the way down the valley. It is hoped that future research in Egypt will help us choose between these hypotheses. In closing this section on high floods and the Fayum, it is useful to consider accounts of the unusually high floods that occurred in A.D. 1817and i818 in order that we may form some approximate idea of the trouble caused in Egypt proper by the ultrahigh floods recorded at Semna in the reign of Amenemhet III and his immediate successors. I quote from Ball (1939:23I):45

. Ample evidence that the flood of [A.D. 8I81] was a phenomenallyhigh and destructive

one is ... furnished by the contemporary records ... [which] ... inform us that in the year 1233

of the Hegira (A.D. 1817) the Nile rose to such an extraordinaryheight at Cairo that the island of Roda was completelysubmerged,so that boats could sail over it, many villages were destroyed, considerablenumbersof the inhabitantsand their animals were drowned,and there was great lamentationamong the fellahinover the loss of their summer crops ... ; also that in the following year ... (A.D. i818), there was a still more disastrous

Nile flood, the inundation not only reaching to even greaterheightsthan in the previousyearand sweeping with much violence over the highest banksand destroyingall the field-crops,including the cotton,as well as the fruit-treesin the gardens, but also lasting for an abnormallylong period, a first slight fall being followed by a renewed rise to still higher levels after Holy Cross Day (Sept. 27), and the watersnot subsidinguntil the Coptic month of Hatur (Nov. io to Dec. 9), when the season for cultivation was past. 45 See also Toussoun (1925:510); unfortunately Toussoun was not able to locate any Roda gauge measurements for these years, nor for any of the years between 18oo and 1823 for his table. In medieval times, the highest flood by a substantial margin occurred in A.D. 1360; ". .. The flood that year was of 24 cubits [5-6 cubits or more than 2.5 m. above the normal of its half-century] . . [the ruler] ordered that they cease proclaiming the height of the flood, because they feared a general inundation. The great waters sustained themselves thus, without diminishing, to 25 Baba (Oct.), which caused extreme grief among the people. The road of the Fayum became im-

257

[And regardingthe Fayum:] Belzoni tells us that when he visited the Faiyum in May 1819an extraordinarily high floodhad causedsucha quantity of water to pass into the BirketQarunthat it rose some 31/2 meters higher than it had ever previouslybeen known to do by the oldest fishermen on its shores. [And Linant de Bellefondsrecorded that] in 1819 or 1820 there occurreda breach in the northernbank of the Bahr Yusef nearHauwaretel Maqta,causinga disastrousrush of waterdown the ravineknown as the Bahr-belama, and despite great efforts it had been found impossible to repair the breach till six months later, after the flood had passed (Ball 1939:23132). Particularly noteworthy in these descriptions-and others (Toussoun 1925)-is the fact that some, but not all, destructively high floods are prolonged at a high level, keeping many fields under water beyond the normal and proper season for sowing. Such abnormal duration of high waters could result in a poor harvest the following summer. Since scholars agree that the reign of Amenemhet III was a time of high prosperityin Egypt we may infer that his great floods were not so usually prolonged as to interfere seriously with the agriculture. SOME HISTORICAL IMPLICATIONS OF THE GREAT FLOODS

In this section we shall inquire whether the "historical truth" of a number of years of ultra-high floods and a period of more than unusually variable flood volumes can illuminate any aspects of the history of the late Middle Kingdom. Four aspects occur to me: (i) the unique royal statuary of Senwosret III and Amenemhet III; (2) the "Complaint of Khakheperre-sonbe";(3) the popularity of the name-element Sobek among the kings of the next dynasty; (4) and the decline in prosperity,without evidence of severe famine, under Dynasty XIII. In a previous section, I pointed out some inferences which might reasonablybe made about the legendary reclamation work of Amenemhet III in the Fayum. Let us now consider the above four aspects individually. passable, the gardens of Elephantine were submerged. ... The waters spread . . . and destroyed . . . dwellings of the Isle of Roda which ended by being entirely submerged. . . . This frightful inundation remained in full force until the end of Baba; never had such a thing been seen in Egypt, neither before nor since Islam. . . . These great waters were followed by the plague, which ravaged all of Egypt. .... In the year A.D. 1371, the flood was excessive and rose to 22 cubits and more; it remained at this level up to the end of Hator (Nov.), which caused the Egyptians much disquiet, because the time for sowing was passed. ...

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(I) Many of the finest portraitstatuesof the scriptions,combinedwith a hauntingmemoryof last greatkings of DynastyXII, viz. SenwosretIII the droughtsof the First Dark Age (Bell 1971), and AmenemhetIII, are distinguishedby qualities to stimulategreater-than-usual anxiety about the never found elsewherein royal Egyptianportrai- level of the Nile floodnext year,and the next.... An erraticNile, with wide variationsin flood ture, by an "astonishingrealism ... outside the mainstreamof pharaonicart"(Aldred 1970:27).In level and a number of years of ultra-highand contrastto the norm of eternalyouth and serene destructivefloods would provide worries enough dignity befittinga god-king,these rulersare por- for any ruler.How much moreso, then, for a godtrayedas men, sometimeswith "thebroodinglatent king of Egypt who is responsiblenot only for rulpower ... of an autocrat... [SenwosretIII] who ing the socialorderof the Two Landsbut also for not only so reorganizedthe Egyptianpossessions the naturalorderof things, and aboveall for the in Nubia that he was afterwardworshippedthere beneficentbehaviorof the Nile. In my previous as a protectorof the region,but also broke com- paper (Bell 1971), I discussedevidence for this for the good pletelythe powerof the landednobilityat home,re- dogmaof the pharaoh'sresponsibility ducing the nomarchsto the status of crown ser- order of Nature, and need not repeat it here. vants";and sometimesas middle-agedand without Viewed against such a background,the sternly illusions, "the carewornshepherdof his people" carewornfeaturesof the royal statuesmay seem (Aldred i970:45). In the words of W.S. Smith not only understandablebut more appropriate(1965:o03): "The dominating quality of these forebodingsapart-than expressionsof godlike seheads is that of an intelligentconsciousnessof a renity,and thus to be encouraged,not merelyperruler's responsibilitiesand an awarenessof the mitted, by these kings. It is not my intentionto bitternesswhich this can bring. . . . A brooding argue that erraticand excessiveNiles be seen as seriousnessappearseven in the face of the young the sole causefor this style of sculpture,but rather AmenemhetIII ... it is immediatelyapparentthat to suggest that these natural phenomenamerit this man lived in a differenttime from that which considerationas a contributingfactorwhich interproducedthe serene confidenceof the people of acted with politicaland culturalfactors. the Old Kingdom."To the present(non-specialist) It may be objectedthat theseattributesare more writer,the youngAmenemhetIII seemsto saythat conspicuousin the headsof SenwosretIII than in it is a difficultthing to play the role of a god-king, those portrayingAmenemhetIII, while only the but he will do his best to be worthy of his dis- latter-to our knowledge-was troubledby excestinguished ancestors.The limited evidence now sivefloods.In factthereis littleevidenceon the Nile availableindicatesthat he succeeded.And Senwos- levelsin the reignof SenwosretIII. But the recent ret III appearsto havehad an unusuallyactiveand discovery,at the Dal Cataract,of an inscription successful,if untranquil,reign. Politicallysuccess- commemoratinga waterlevel on 24 Jan.1869,year ful rulers,as well as the unsuccessful,mayof course 10 of SenwosretIII, close to the modern HWL, have personaldomestic troubles,even without a makes it reasonableto think the Nile may have harem of wives and concubines,and the Execra- been more erraticin the reign of this king than tion Texts suggestintrigueswithinthe royalhouse- under his predecessors.When the river remains hold in the latter part of Dynasty XII (Wilson high, as in that year, long after its normal time, 1956:159). But it is unlikely,and unprecedented, the fieldswill not be readyfor plantingin the northat an Egyptianking wouldallow personalfamily mal (November) season and the crops may not problemsto be reflectedin his officialportraits. have time to maturebeforethe next flood. Montet (1968:67)has wonderedif they may have (2) Turning now to our secondpoint, written had premonitionsof the impendingend of their evidencefor any sortof disturbedconditionin the

dynasty: "The days of the court of It-towy were numbered .... Perhaps Amenemhet III had sensed that his family and all Egypt were to fall on evil days and the sculptors of Karnak caught these forebodings." If they had forebodings, I suggest that an adequate cause is at hand in the erratic behavior of the Nile, evidenced by the Semna in-

Middle Kingdom is rare. The next item in time after the famine referred to by Ameny of Beni Hasan, and of uncertain significance, is the Complaint of Khakheperre-sonbe (Erman 1927:Io9f; Simpson 1972:230f), whose name suggests that he was born in the reign of Senwosret II. He thus probably wrote his Complaint during the reign of

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Senwosret III or Amenemhet III. Because the avail- the suggestion that it might be better understood able evidence indicates that these reigns were pros- against the background of excessive floods, attested perous, the Complaint is usually taken to be pure themselves by the Semna inscriptions.In particular, literature, an example of the pessimistic writing it would be of interest to investigate whether the that became fashionable after the First Dark Age. translation could be clarified if it were assumed Even if the Complaint be taken as inspired by a to refer to disastrous floods.46 troubled condition, the nature of the trouble la(3) Turning now to item three: A unique feamented is completely obscure. I suggest it could ture of Dynasty XIII is the frequent appearanceof make sense, however, as a reflectionof the disorder, the name-element "Sobek," the crocodile god. At social and natural, consequent on over-long, over- least five kings bore the name Sobekhotep "Sobek large floods, or abnormally large fluctuations in is satisfied,"as their nomen or personal name, thus flood level from year to year, particularly if we presumably from birth. The last known sovereign bear in mind the Egyptians' seeming taboo on of Dynasty XII, a Queen Sobeknefru, and two or literature (openly) critically of the Nile. From more royalties of Dynasty XVII a century later, are the only other instances where Sobek was so Erman's translation: honored in royal names. ... I am meditating upon what hath happened, The crocodile-god, Sobek, Sobk, or Suchos, was on the things that have come to pass throughout primarily a divinity of the water and of vegetation, the land. Changes take place, it is not like last in the Fayum, and in other cult places; he resident year, and one year is more burdensomethan the became other. The land is in confusion, become waste particularlyimportant in Dynasty XII and XIII, being mentioned frequently as a patron of Right is cast out, and iniquity (sitteth) (?) . . . in the councilchamber .... The land is in misery, Dynasty XII kings (Hayes 1961). "The crocodilemourning is in every place, towns and villages Sobek was naturally considered a water-god; god lament. All people alike are transgressors,the he received worship as a patron divinity in towns back is turned upon respect. .. [Perhaps looting [and times] the special weal and woe of which were after a destructive flood?] . . . Come, my heart, ... that thou mayest expound to me the things particularly dependent on water, as was the situathat are throughoutthe land, that are bright and tion on the islands of Gebelein and Kom Ombo, in lie outstretched[E: in view of all, yet comprethe oasis of the Fayum" (Steindorff and Seele hended of nonef. I meditate upon what hath 1957). happened. Affliction is come today - - - and We have already noted the Quta stela referring all men are silent concerningit. The whole land to the "Lake of Sobk." This god was honored also is in a great [E: bad] condition. There is none free from transgression,and all men alike are by at least two surviving monuments of AmenemMen rise doing it. Hearts are sorrowful - - -... het III in the Fayum-the temple to Sobek at Kiup early every day to suffering. . . man Faris (RL +24.0 m.) and the temple of MediThis quotation is not presented as evidence for net el Madi (pavement at +25-94 m.: Shafei anything-it is much too vague-but rather with 1960) in the southwest Fayum to the consort of 46 In a new analysis of this text, Kadish (i973) JEA 59:77-90) gives brief consideration to this possibility and concludes that he does not "see any terms in the text which lead to a climatological explanation independent of external information, but the possibility that that was the case is very attractive, especially since it lends some weight to the dating of Kha-kheper-Resenebu." At the same time Kadish "detected a sense of immediacy in Kha-kheper-Re-senebu's distraught state" which argues against taking the work as pure literature. "He is terribly unhappy over the social and political changes that have taken place. They are basic alterations which he regards as morally unacceptable." Although we are accustomed to focus on the general impression of peace and prosperity during the later reigns of Dynasty XII, there is nevertheless, I suggest, in what we believe of the political situation under Senwosret III another neglected possibility for historical significance in this text. As we have noted, Egyptologists generally believe that Senwosret III broke the power of the regional nomarchs because most

series of major provincial tombs come to an end in his reign. However he did this, there must have been those among the nomarchs and their families and followers who indeed felt the land had come on evil times. Kha-kheper-Re-senebu may have been one of those. It is certainly unlikely that such a transition in the balance of power between nomarchs and pharaoh could have occurred without severe distress to the losing powers. In this connection it is of interest to note, from the Instruction of Sehetep-ibre (a high official under Senwosret III and Amenemhet III): ". . . Adore the king, Nymaatre [Amenemhet III] . . . The one whom the king loves shall be a well-provided spirit; there is no tomb for anyone who rebels against his Majesty, and his corpse shall be cast to the waters" (Simpson 1972:198f). The statement, ". . . there is no tomb for anyone who rebels . . ." in conjunction with the ending of various series of provincial tombs is suggestive; we may well wonder if the nomarchs may have provoked their suppression by a rebellion against Senwosret III.

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Sobek (Hayes I96I). The interest of Amenemhet III in the Fayum and the popularity of its god, stimulated by more-than-normalanxiety about the flood levels, may well be reflected in the popularity of the name-element Sobek in the next few generations. The first of the Sobekhoteps was born probably in the reign of Amenemhet III, and the name may well reflect a desire to propitiate this water god. Although the genealogy of Dynasty XIII is still unknown, it seems most likely that its kings were descendants of Amenemhet III and/or his predecessorsby minor wives or concubines. (4) Finally, it seems probable that the cessation of the ultra-high floods played no small part in bringing on the decline known as the Second Intermediate Period, since the last recorded high flood comes fairly early in Dynasty XIII. Although the ultra-high floods were probably at first unwelcome and a cause of disaster, once the Egyptians had adjusted to them as a frequent occurrence, their cessation might well bring on a period of poverty until a new adjustment could be made. We shall explore this period of decline more fully, in the next section.

[AJA 79

some respects a Dark Age in Egypt, and perhaps fuller study will reveal at least partially contemporaneous Dark Ages in other lands. But there is nothing immediately obvious. Hammurabi of Babylon forged a substantial empire in (probably) the upper i700s, although his dates are still debated and one does not get an impression of splendid prosperity from Gadd's chapter in the revised CAH. Further north, this period was a time of prosperity for the Syrian coastal cities, and for Mari on the Upper Euphrates. The period also saw the beginning of the Old Kingdom of the Hittites in Anatolia. In the I6oos, Crete's palace civilization was flourishing, as were the Hittites, and mainland Greece was belatedly reviving from the First Dark Age; the city states of Palestine were prosperous. But this century is obscure and confused in Mesopotamia. Thus I shall provisionally adopt the term "Little Dark Age" for this era in Egypt, the "Little" referring to its known geographical extent alone and implying nothing about its severitywhich however was almost surely less than that of the First Dark Age. Although this period of Egyptian history is perthe most obscure of any (Smith 1960), a genhaps DECLINE OF THE MIDDLE KINGDOM eral impoverishment after the death of AmenemThe conspicuously prosperousperiod of the Mid- het III is clearly indicated by the absence of large dle Kingdom came to an end about 1797 B.C., public buildings and by the small size of the few with the death of Amenemhet III after a reign of known royal tombs, as well as by the scarcity of some 45 years. Dynasty XII itself ended about decorated tombs in the provincial centers. Neither Amenemhet IV nor Sobekneferu left a I78047 after the much briefer reigns of his two immediate successors, King Amenemhet IV and pyramid that has been identified from written Queen Sobekneferu. And a couple of decades later, evidence, although the remains of two ruined Pyrathe recordsat Semna of great floods come to an end. mids at Mazghuna, about 5 km. south of Dahshur, In recent years Egyptologists have come to realize, have been attributed to them (Edwards 1961). In however, that the Middle Kingdom did not end spite of, or because of, the some 50-60 kings listed in a sudden collapse like the Old Kingdom; it by the Turin Papyrus and other sources for Dynasrather slipped by stages from prosperity under a ty XIII, the remains of only three additional Pyrastrong government into poverty and disorder, that mids of this period are known. There is one at lasted, in variable degree, to about 1570 B.C. Dahshur belonging to a king with the surprising The next two centuries of Egyptian history, tra- name of Ameny-the-Asiatic; and two at Sakkara, ditionally called the Second Intermediate Period, one of unknown ownership and the other belongpresent a terminological difficulty, since I had re- ing to a king with the unEgyptian name of Khendserved the term "Dark Age" for eras of more wide- jer. While these Pyramids are not large, they do spread impoverishment, extending throughout the possess impressive features, each demonstrating an Eastern Mediterraneanand Near East. The Second elaborationof devices first used by Amenemhet III Dark Age of Ancient History, in this full sense, and intended to make them impregnable to thieves, occurred between ca. I200 and ca. 900 B.C. The two a problem of evident concern to the architects of centuries here under discussion were clearly in the Pyramids of the late Middle Kingdom. Ame47 Amenemhet IV is now given 13 years, in accord with a year 13 discovered by Hintze at Semna (n. I ). And Sekhem-

kare will be given eight years.

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nemhet III and Khendjer each had a burial chamber carved from a single block of quartzite; the unfinished and unidentified Pyramid at Sakkara had such a monolithic chamber estimated to weigh 150 tons (Edwards 1961), no small achievement for a supposed "age of poverty." Decorated and inscribed provincial tombs, one of the main sources of information about the First Dark Age, are also very rare at this time, suggesting that no revival had occurred of the old nomarchic system that had been suppressed by Senwosret III (James 1965). Thus the Little Dark Age set in under a distinctly different distribution of political power than existed at the onset of the First Dark Age. The central government around 18oo B.C. was strong, the provincial nobility weak or non-existent. When we turn to Vandier (1936) for evidence of famine in the years 1800-1570 B.C., we find another marked contrast with the First Dark Age. The earlier period gives a much stronger impression of disastrous famines. After describing Dynasty XIII as an era full of internal struggles and usurpations, with an artistic as well as a political decline, Vandier (1936:18) concludes: "It is almost certain that the Egyptians of this epoch must have suffered frequently from hunger. Texts are, unfortunately, rare, and I was able to find only three that allude to a scarcity." Two of these are tomb inscriptions from El Kab, a town across the Nile from the ancient Nekken or Hierakonpolis in Upper Egypt. In the tomb of one Sobek-nakht of El Kab was found mention of a King Sobekhotep. This king, if correctly identified by Hayes (1962a:9) as the third of this name, belongs at the end of a particularly obscure interval between the first two Kings of Dynasty XIII and the relatively well-documented King Neferhotep I who a number of scholars agree in dating to ca. 1740-1730B.C. (e.g. Hayes 1962a, Beckerath 1965). Thus it would appear that the tomb of Sobek-nakht was decorated in the three-yearreign of Sobekhotep III, just prior to ca. 1740. The relevant inscription, translated from the French of Vandier (1936:114) reads: "... I was a man who protected the afflictedagainst the powerful . . . who supplied the granaries of the god ... who summoned his entire energy every time he saw an insufficient flood (a small water) ...." From the tomb of Bebi of El Kab, considered by Vandier to date from the same epoch: ". . . I

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was a man who amassed grain ... who was vigilant during the winter. Whenever a famine came, during various/ numerous years, I gave grain to my city during each famine . . ." (Vandier 1936: 115). And finally, one Horherkhoutef of Edfu, after commemorating his conventional charities to the needy, ". .. I gave bread to him who had hunger ..." noted in his tomb (Vandier 1936:115): "I gave grain to the entire country, I saved my town from famine . . . no one has done what I did... ." This tomb is undated, but Vandier considers it to be in the style of Dynasty XIII. Thus we do have evidence for famine and insufficientflood during the Little Dark Age, for some uncertain number of years preceding ca. 1740 B.C. But the texts suggest a condition that is much less severe than the tzw-famines of the First Dark Age. It is tempting to associate this famine with the Biblical story of Joseph, particularlyas it is the only documented famine in the Second Intermediate Period. Exploration of this possibility would, however, take us far afield. In Lower and Upper Nubia also conditions were much less severe now than in the First Dark Age. Indeed this later period appears even to have been a time of some prosperity and population growth in Nubia (Trigger 1965:Io04). Now as to the role of the Nile, we have seen that the Semna inscriptions attest that exceptionally high floods occurred in many years of the reign of Amenemhet III and his first four successors. However Lepsius (1853:525-26) noted numerous remains of temples from the New Kingdom era, more or less at the edge of the water at modern high Nile between Semna and Aswan, and scholars generally agree (e.g. Reisner 1929b; Trigger 1965) that the floods in the New Kingdom were rather similar to those of modern times. Thus it seems clear that at some time, either suddenly or gradually, during the Second Intermediate Period, the Nile floods must have declined from the high levels recorded at Semna to levels characteristicof the New Kingdom and modern times. I postulate that this decline in the Nile floods occurredrather suddenly, about the time the Semna inscriptions cease, and that the decline was a significant cause for the decline in prosperity,for the onset of the Little Dark Age, traditionally known as the Second Intermediate Period. However I can find no evidence to suggest that very severe famines,

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such as the tzw-faminesof the FirstDark Age, occurredin these years. The ultra-highfloodswere probablyat first unwelcomeand causedmuch destructionof life and propertyearlyin the reignof AmenemhetIII. But, as they becamea frequentoccurrence,the Egyptiansapparentlyadjustedto them and even profited by them,as suggestedby evidencethat the reignof Amenemhet III was the most prosperousperiod of Dynasty XII. The descriptionof the flood by Herodotusindicatesthat floodswere perhapssimilarly high at the time of his visit to Egypt about 450 B.C.,and no wordof his suggeststhatthe flood he saw was regardedas extraordinary by the Egyptians of the time: "When the Nile overflows,the whole country is convertedinto a sea, and the towns, which alone remainabovewater,look like the islands in the Aegean. At these times water transportis used all over the country,insteadof merely along the courseof the river,and anyone going from Naucratis to Memphis would pass right by the pyramidsinstead of following the usual course by Cercasorusand the tip of the Delta." Thus once the Egyptians,led by the strongand able King AmenemhetIII, had adjustedto ultrahigh floods as the normal thing, and perhapsincreasedin populationas higherland couldbe cultivated,it seemsnot unlikelythat a cessationof these ultra-highfloodsshouldbring on a periodof poverty until a new adjustmentcould be made both in populationand in reorganizationof the irrigation worksto best utilize the new levels.I further suggestthat this declinein the averageflood level combinedwith politicalfactorsto underminethe stabilityof the government,while at the sametime the apparentweaknessof the crownslowedadjustment to the new conditions,setting up a vicious circleand making the perioda darkerone than it need have been from climate changesalone. We shall return to this point presently,but first we shall surveythe historyof the periodin an effort to localizeas well as possibleanyperiodsof drought. For this I followthe chronologyof the revisedCambridge Ancient History (Hayes 1962a) except for the adjustment required by Hintze's discoveries. It was at one time believed that Egyptian civilization suffered an abrupt collapse at the end of Dynasty XII, but this concept is no longer tenable. It now appears that for over ioo years, in spite of short reigns and frequent changes of kings, "the

[AJA 79

powerof a single centralgovernmentcontinuedto be respectedthroughoutmostof Egyptitself;royal building activities were carried on in both the south and the north, and, until late in the eighteenth century B.C., Egyptian prestigein Nubia and westernAsia remainedlargelyunshaken.... Until about 1674B.C. . . the seat of the government remained. . . in the region of . . . Itj-towy ..." (Hayes 1962a).Moreover,"creditableimitationsof the buildings,statues,andreliefs"of Dynasty XII continuedto be producedby court artists, although a marked deteriorationoccurredin the quality of work producedfor lesser patrons,and this work "at best was perfunctoryand often downrightbad" (Hayes i953). However material culturenever did fall to the very low level of the First Dark Age (Smith 1965). King MakherureAmenemhetIV, son and heir of AmenemhetIII, appearsto have reignedat least 13 years(n. ii). He was probablyat leastmiddleaged when he came to the throne,as his father reignedsome45 years.In spiteof a lackof evidence for anybrilliantachievements, the reignshowslittle evidenceof any seriousdecline in Egyptianprosperity and prestige (Hayes 1962a) except for the lack of an identifiedroyal pyramid.High Niles wererecordedin his years5, 6, 7, and 13 at Semna; the Sinai mines were worked-probablyfor the last time until the New Kingdom-and Syria apparentlyremainedrespectful.AmenemhetIV was succeededby the "FemaleHorus,"Queen SobekkareSobekneferu,probablyhis sisterand daughter of AmenemhetIII. Her reignyieldsone Nile record at Semna,in year 3. Althoughthe genealogyof DynastyXIII is still unknown,its kings had mainly Theban namesAmenemhet,Senwosret,Mentuhotep,Neferhotep, Inyotef, and Sobekhotep-with a few outlandish exceptionssuch as Khendjerand Ameny-the-Asiatic-and the kings regardedthemselvesas legitimate successorsto Dynasty XII, striving to uphold the sametraditionsand systemof government, and maintainingtheir capitalat Itj-towy,through most of the i7oos. It thus seems probablethat at least the first of them, and perhaps all of them, were descendants of the Kings of Dynasty XII, by secondary queens, probably including some foreign women. It further seems not unlikely that, with the direct line extinct, the priority of claim to the throne among numerous secondary princes would not have been clearly defined, and that this

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uncertainty played a major role in the great number of Kings apparently reigning within a timespan too short normally to accommodate them. Dynasty XIII begins48 with King SekhemreKhutowy Sobekhotep I. His ancestry is unknown, but because of the change of Dynasty in the system of Manetho, Egyptologists tend to assume that he was not a direct descendant of Amenemhet IV or Sobekneferu. But the reasons for a change of Dynasty in the system of Manetho are more often than not obscure to modern Egyptologists; and in the absence of evidence to the contrary we may assume that Sobekhotep I was the legitimate heir to the throne, probably a son of Amenemhet III by a secondary queen. His reign of 5+ years (Hayes 1962a) yields three inscriptions on the flood at Semna, with only that year 4 still in its original position. As we have noted, one high Nile was recorded at Askut in year 3 of his successor, Sekhemkare, and two at Semna in years 4 and 8. No pyramid has yet been identified for either of these kings. After the first two reigns (about 12 years) of Dynasty XIII, the obscuring mists thicken further. The Turin Papyrus seems to refer to 6 kingless years (Gardiner i96i:i15), then gives some 18 more names, most of them attested at least by scarabs or other minor relics, to be fitted into the period before ca. 1740 B.C. Somewhere in this murky period belongs the King Sedjefakare whose year i provides the last of the high Nile inscriptions at Semna; and for this reason one would like to place him soon after Sekhemkare. Also to this period apparently belong the Kings Ameny-theAsiatic and Khendjer (4+ years). Although proof is lacking, it is both tempting and plausible to assume that the famine mentioned in the El Kab tombs, and floods below the modern, occurred in the "6 kingless years" and that the years were therefore considered "kingless" since no True Horus sat upon the throne, because by definition a True Horus restores Maat and brings good floods (see Bell 1971:19-21). Shortly before 1740 B.C. a few openings appear in the fog to reveal the three best documented rulers of the Dynasty: Sekhemre Sobekhotep III (3 yrs., 2 mo.), the king mentioned in the tomb of Sobek-nakht at El Kab and containing a refer-

ence to famine and insufficientflood; Khasekhemre Neferhotep I (ca. 1740-1730) and Khaneferre Sobekhotep IV. The latter two were brothers, but not sons of Sobekhotep III nor of any other king. Documents from the reign of Sobekhotep III provide valuable "information on the elaborate administrative organization of Egypt during the late Middle Kingdom" (Hayes 1962a). An inscription on a rock at the First Cataract appears to attest a visit there by King Neferhotep I, while a steatite plaque with his name was found at Buhen (Emery 1965:167) suggesting that he retained control of Nubia; a relief found at Byblos depicts the local prince doing homage to Neferhotep (Gardiner

48 Because of the paucity of available evidence on this period, scholars are not in complete agreement on the order, number, and names of the Kings in Dynasties XIII-XVII. Most

relevant here, the three Kings with flood inscriptions at Semna are Nos. 3, 2, and 15 in the Dynasty XIII list of Beckerath (1965:222).

1961:154).

A giant statue of his brother, Sobek-

hotep IV, was found at Kerma, believed carried there later by the Kushites from one of the Second CataractForts. At or soon after the reign of Sobekhotep IV, it appearsthat the fortunes of Dynasty XIII declined again, about I720 B.C., when the Hyksos occupied Avaris and much of the eastern Delta (Hayes 1962a). The origin of the Hyksos is still obscure and highly controversial and, although it is not irrelevant, I do not propose to speculate upon it here, because this would require a review of conditions in Syria and Palestine that would take us far beyond the bounds of our present investigation of Egypt and its records. No relevant Egyptian records have been found. However, it further appears that about 1674 B.C. (Hayes 1962a) the Hyksos were able to occupy Memphis and Itj-towy, founding the XVth Dynasty and putting a final end to the irregularlydeclining phase of the Middle Kingdom. Shortly thereafter Dynasty XIII apparently expired quietly in the Theban area, where around 1650 B.C. Dynasty XVII "arose to keep alive the embers of Egyptian independence ." (Hayes 1962a:13). Also about this time, that is between 1720 and 1674 B.C., the Middle Kingdom forts in the region of the Second Cataract were burned and apparently abandoned by the Egyptians. Trigger (1965) considers it still uncertain whether the Egyptians left voluntarily or were driven out, and whether the region of Lower Nubia thereafterwas independent or controlled by the Kingdom of Kush to the south. That they left, however, is suggested by the lack

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of evidence for any repairof the fire damage (A.W. Lawrence 1965 JEA 51:72). Emery (1965), Aldred (1963), and others consider that the forts were stormed and destroyed, by an enemy of necessarily considerable military skill and sophistication, although Adams (1972) does not believe that the evidence compels such an interpretation. The Kingdom of Kush, centered at Kerma, south of the Third Cataract, appears to have attained its greatest prosperity during this period (Trigger 1965); and the large number of Hyksos seals found in Kerma suggests that it carried on a substantial trade with the Delta. The prosperity in Nubia further indicates that there cannot have been anything too severely wrong with the floods in the 16oos and that, for whatever reasons, the Kingdom of Kush adjusted more quickly than that of Egypt to the cessation of ultra-high floods. In spite of the flourishing condition of Nubia, the middle 16oos remained a time of poverty in Upper Egypt, with no evidence of quarrying at Hammamat or Aswan; very few tombs were built around Thebes and even the royal burials were very meagre (Winlock 1947), embellished as they were with only modest mudbrick pyramids (Hayes 1962a). Also around this time a change occurred in burial customs, large rectangular wooden sarcophagi, the best of which were made from imported Lebanese cedar, giving way to smaller anthropoid coffins of Egyptian sycamore wood, a change that has been attributed to the poverty of the times and the lack of suitable wood for the large sarcophagi (Winlock 1947). Recovery proceeded slowly and irregularly. The order and dating of the kings at Thebes in Dynasty XVII is still controversial. Following the chronology of Hayes (1962a), however, there appears to have been some revival in the 1620os and 16ios when a King Sekhemre Shedtowy Sobekemsaf reigned for 16 years; according to records of the Tomb Robberies that occurred toward the end of Dynasty XX, he and his queen had mummies well bedecked with gold, although Winlock (1947) suggests that these records may be a clerical exaggeration. Then come several very short reigns, after which we find King Nubkheperre Inyotef VIII, who was an active builder; he embellished his tomb entrance with a pair of small obelisks, and had inscribed on its wall the famous "Song of the Harper," the theme of which is "eat, drink, and be merry, for tomorrow we die" (Hayes 1962a)--one

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item of the evidence that learning flourishedin Thebes in spite of the general materialpoverty of the earlyyearsof DynastyXVII. Conditionsin Lower Egypt under the Hyksos areeven moreobscure,as no recordsor monuments have survivedfrom the periodof theirrule. However at least two Hyksos, SeuserenreKhyan, and AuserreApophis,clearly enjoyed long reigns, 40 yearsfor Apophis,and this in Egyptis generallya sign of prosperity.Scarabs,seals,and other minor relics of these kings have been found widely distributedthrough the Near East, indicating that they carriedon active trade with Crete,Mesopotamia,Kerma,and many other places.As foreign princes,moreover,they and theircourtwereprobably less influenced,or even completelyuninfluenced by the dogmathat the king was responsible for the adequacyof the Nile floods. Vandier (1936) notes that one might expect

many severefaminesin the disorderof the Hyksos period;not only couldhe find no evidencefor this, but the stele of Kamoseindicatesthat at least towardthe end of the reignof Apophisthe fieldswere well cultivatedin the north,and cattle were kept in the Delta by the Thebans (Kees 1961). For the

Theban courtiers,presenting arguments against war with the Hyksos,remindKing Kamose:"The finestof theirfieldsare ploughedfor us, our cattle are pasturedin the Delta. Emmer is sent for our pigs, our cattle are not taken away . . ." (Vandier 1936;Kees 1961; Erman1927).This occurredprobably around1580B.C.,and may serveto point up the dependenceof Thebeson the rest of the country for any high level of prosperity.The Thebaid is a relativelypoor regionof Egypt,and the floods need not be particularlylow to keep it in a condition of semi-povertywhen it cannotdrawon the resourcesof a united Egypt. Thus we need not, and probablyshouldnot, interpretthe fact of Thebanpovertyin the I6oosas evidencethat the Nile floodswere significantlybelow those of the New Kingdom. However,introductionof the shaduftowardthe end of the Hyksos period made wateringof selectedlands practical outside the flood season (Winlock and may i947), have contributed to recovery from the Little Dark Age. Although King Wadjkheperre Kamose disregarded the advice of his courtiers and began a war to expand the power of his house and reunite Egypt under his rule, he died while still a young man. It

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remained for his brother and successor Ahmose to capture the Hyksos capital of Avaris and expel the Asiatics from the soil of Egypt, around I574 B.C. (Hayes 1962a). A few years later Nebpehtyre Ahmose, Pharaoh of a reunited Egypt, founder of Dynasty XVIII (proving that a change of Dynasty does not necessarily correspond to a change in the ruling family) and of the New Kingdom, wiped out the vestiges of Hyksos power in southern Palestine (Hayes 1962a), whereupon the Hyksos disappear from history. Before the end of his reign King Ahmose had also reconquered Nubia as far as Buhen, where he ordered a rebuilding of the fort (Emery 1965).

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"rainmaker"or, more precisely, floodmaker. I suggested that this dogma, combined with frequent severe failure of the floods, could well explain the abnormally large number of reigns within a few decades of the First Dark Age. As successive kings failed to bring good floods, they were removed or removed themselves from the Kingship. I here postulate a similar explanation for the numerous short reigns of the Little Dark Age or Second Intermediate Period. The numerous very short reigns to be fitted into the I700oos-some 8 kings in the years between ca. 1768 and 1740 B.C.-and an even more obscure, but certainly vastly excessive, number for the 16oos, led Hayes to suggest that the kingship lost its DISCUSSION hereditary characterduring Dynasty XIII, and that I have advanced the hypothesis that the Little kings were elected for a limited period of time Dark Age in Egypt at the end of the Middle King- (see Hayes 1962a:5 for refs.). This hypothesis is dom was brought on-or at least intensified-by highly controversial,and to a large extent I agree a cessation of the ultra-high floods that occurred with those who resist the idea of "elected"kings as often (but not every year) in the reign of Amenem- entirely contrary to the Egyptian concept of divine het III and his immediate successors, and a fall Kingship. In possible support of the hypothesis, to to levels around the modern, which various evi- be sure, are several bits of information establishing dence indicates prevailed during the New King- a lack of continuity in the succession, making it dom as well as during the earlier reigns of the Mid- clear that certain kings of Dynasty XIII were not dle Kingdom. I infer that this decline occurred sons of any king. But the significance of this fact sometime after 1768 B.C., rather abruptly, and that is obscured by a virtually complete lack of informathe interval between 1778and 1745saw severalyears tion on the titles and ranks held by kings' sons in which the floods fell below the New Kingdom under Dynasty XII-XIII. Apparently they possessed levels, as evidenced by references to famine and in- no distinctive titles, since it is scarcely conceivable sufficient floods in the tombs of Sobek-nakht and that each king of Dynasty XII had one and only Bebi of El Kab. No evidence was found on climate one son (although no more are known), while there conditions in Egypt during the Hyksos period, but is evidence of numerous royal daughters. There is the prosperouscondition of Nubia suggests that the mention, uniquely to my knowledge, of royal floods were adequate, perhaps close to New King- princes with the army led by the co-regent Sendom levels. I further suggested that the abrupt de- wosret I, in the story of Sinuhe. cline in flood level after ca. 1768 occurred in a time But perhaps the seeming contradiction can be of unusual uncertainty about the proper order of resolved if we assume that election to the kingship succession to the Kingship and set up a sort of was not open to just anyone, but only to descenvicious circle, thus increasing the instability of the dants of Kings; and further that election was regovernment and slowing efficientadjustment to the sorted to only when no heir existed with a clearly new flood levels. Uncertainty about the order of defined superior claim or talent for leadership. I succession is inferred from the change in Dynasty have suggested previously (Bell of something i97i) and from the numerous short reigns in the Little this sort for the First Dark Age, where I pointed Dark Age. out that such a situation of uncertainty could easily The reader may recall that a similarly excessive arise among the descendants of a king who had number of short reigns characterized the First several secondary wives, in the event of the extincDark Age. In my previous discussion of this phe- tion of the line descended from the Great Royal nomenon in Egyptian history (Bell I97I:I9-2I), I Wife or primary Queen. There is no evidence that pointed out, with supporting quotations, that a lesser wives were ranked, so it remains entirely vital symbolic function of the Pharaoh was as obscure how the claims of the sons of such wives

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would be ranked for priority, especially if the King who had fathered them died before such ranking seemed significant. After long reigns, such as the 45 years of Amenemhet III (and the 94 years of Pepi II), there could be grandsons (and great-grandsons) as well as sons to assert their various claims, not to mention claims by marriage to a higher-ranking princess. Thus we can conceive how election, with the list of eligible electees, and perhaps also of electors, strictly limited by a hereditary claim, could in certain emergencies be reconciled with the Egyptian dogma of divine Kingship. Under these circumstances also, as I pointed out in discussing the First Dark Age, it could be relatively easy--especially if the flood should be meagre in the first or second year of the new king -for whomever it actively concerned to decide that a mistake had been made, that the recently selected king was not the True Horus. Fitting in plausibly with this picture is a further notable feature of Dynasty XIII, that is, a greater stability in viziers than in kings, and probably also a greater hereditary continuity in viziers than in kings. The best documented is one Ankhu, who apparently served as vizier under several kings, including Khendjer, Sobekemsaf I, and Sobekhotep III, and perhaps others yet more ephemeral between these (Gardiner i96i; Hayes 1962a). Believed to be of the same family is the Vizier Iymeru, under Sobekhotep IV (Hayes 1962a). Although this greater stability in viziers than in kings has not yet been explained, it would appear that Ankhu was either a man of exceptional political agility (as Talleyrand served both Napoleon and the Bourbons), or that the rapid turnover in kings was not caused primarily by bitter enmities, by feuds of hostile warring factions, by usurpations and forceable depositions, etc. (Similarly, though on a lower level, in the First Dark Age we saw the case of the priest Merer who "offered for thirteen rulers.") This situation of a single vizier serving several kings is compatible, at least, with the hypothesis that, in a time troubled both by poor floods and unusual uncertainty about the identity of the true Horus King, a king would be secretly murdered or expected to commit suicide when his coronation was not followed in due season with floods adequate to avert scarcity.Once well established, with several good floods to his credit, a king might more readily survive a season or two of scarcity. Since the genealogy of both the kings and the

[AJA 79

family of viziers is unknown, it is tempting to speculate that the viziers too were among those eligible, by reason of descent from a King of Dynasty XII, for election to the kingship, but that they astutely secured the election of other princes as king. Knowing the fate of kings with controversial claims when the Nile was bad, recognizing that it was erratic at this time, they may have preferred to rule as vizier without the responsibility for an erratic Nile, while weaker and less astute princes enjoyed the glory and the hazards of divine Kingship. It is interesting and suggestive to compare the portraits of certain rulers of Dynasty XIII with those of the last great rulers of Dynasty XII. As noted in a previous section, many of the portraits of Senwosret III and Amenemhet III suggest that these Pharaohs "ruled . . . by virtue of their own personalities.... It was the dominating will of the reigning king that guaranteed the integrity of the state, rather than the institution of monarchy" (Westendorf 1968:98). By contrast, the kings of the succeeding Dynasty XIII "obviously no longer possess the qualities of their predecessorsand models" (ibid.). Indeed, to this non-specialist,the statues of Neferhotep I (Aldred 1962:fig.83) and especially Sobekhotep IV (Wilson 1956:fig. 17a)-among the best surviving works from Dynasty XIII--each express a melancholy resignation that is entirely compatible with the hypothesis that his reign and life would be terminated if the floods proved too meagre. Neither looks as though he would resist and fight determinedly for the throne. It cannot, of course, be inferred that the brother kings themselves came to this unhappy end; at most their expressions may reflect only their expectations and their knowledge of the fate of various predecessors. HARVARD COLLEGE OBSERVATORY

References Adams, William Y. 1971 Personal communication. 1972 Personal communication. Aldred, Cyril 1962 The Development of Ancient Egyptian Art, Tiranti, London. Some 1970 royal portraits of the Middle Kingdom of ancient Egypt, Met. Museum J. 3:27-50. Arkell, A.J. I96I A History of the Sudan to 1821, London.

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Ball, John 1903 The Semna cataract of the Nile, Quart.J.Geol.Soc.London 59:65-79. 1939 Contributions to the Geography of Egypt, Govt. Press, Cairo. Beckerath, Jilrgen von 1965 Untersuchungenzur politischen Geschichte der zweiten Zwischenzeit in Agypten, Agyptologische Forschungen, vol. 23, J.J. Augustin, Gliickstadt. Barbara Bell, 1970 The oldest records of the Nile floods, Geogr.J. 136:569-73. 1971 The Dark Ages in Ancient History: I. The First Dark Age in Egypt, AJA 75:126. Breasted, James Henry 19o6 Ancient Records of Egypt, vol. I, University of Chicago Press. Brooks, C.E.P. 1949 Climate through the Ages, McGraw-Hill, New York. Karl W. Butzer, 1958 Quaternary Stratigraphy and Climate in the Near East, Bonner Geogr.Abh., Heft 24, Bonn. I959a Some recent geological deposits of the Egyptian Nile valley, Geogr.J. 125:75-79. Environment and human ecology in Egypt I959b during predynastic and early dynastic times, Bull.Soc.Geogr.d'Egypte32:43-87 (a condensed English transl. of 1959c,q.v. for documentation). 1959c Die Naturlandschaft Agyptens wihrend der Vorgeschichte und der Dynastischen Zeit, Abh.Ak.Wiss.Lit. (Mainz) Math.naturw.Kl. No. I, 80 pp., Wiesbaden. 1965 Physical conditions in Eastern Europe, Western Asia, and Egypt, CAH I, ch. 2 (fasc. 33). 1971 Personal communication. Butzer, K.W., G.L. Isaac, J.L. Richardson, and C. Washbourn-Kamau Radiocarbon dating of East African lake I972 Science levels, 175:io69-76. Caton-Thompson, G. and E.W. Gardner I929 Recent work on the problem of Lake Moeris, Geogr.J. 93:20-60. Dunham, Dows 1967 Second CataractForts: Uronarti, Shalfak,

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Mirgissa (excavated by Reisner and N.F. Wheeler), Museum of Fine Arts, Boston. Dunham, Dows, and J.M.A. Janssen i960 Second Cataract Forts: Semna, Kumma (excavated by G.A. Reisner), Museum of Fine Arts, Boston. Edwards, I.E.S. I96I The Pyramids of Egypt, Penguin. Emery, Walter B. 1965 Egypt in Nubia, Hutchinson, London. 1967 Lost Land Emerging, Scribners, New York. Erman, Adolf 1927 The Ancient Egyptians: a sourcebook of their writings, Harper Torchbooks, transl. from German by A.M. Blackman. Fairbridge, Rhodes W. 1963 Nile sedimentation above Wadi Halfa during the last 20,000 years, Kush i :96107.

Fakhry, Ahmed 1969 The Pyramids, University of Chicago Press. Gardiner, Sir Alan 1961 Egypt of the Pharaohs, Clarendon Press, Oxford. Gautier, J.E., and G. Jequier Fouilles de Licht, Cairo. 1902 Habachi, Labib 1974 A high inundation in the temple of Amenre at Karnak in the thirteenth Dynasty, Studien zur altdgyptischen Kultur 1:207-14. Hayes, William C. 1953 The Scepter of Egypt, vol. I, Harper, New York. The Middle Kingdom of Egypt, CAH I, I96I ed. 3, ch. 20 (fasc. 3). 1962a Egypt from the death of Ammenemes III to Seqenenre II, CAH II, ed. 3, ch. 2 (fasc.

6). Herodotus The Histories, Penguin Classics ed., transl. A. de Selincourt, 1954. Hurst, H.E. 1952 The Nile, Constable, London. Hurst, H.E., R.P. Black, and Y.M. Simaika 1946 The Nile Basin, vol. VII: The future conservation of the Nile, Physical Dept., Ministry of Public Works, Cairo.

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