PLUVIAL LAKES OF NORTHWESTERN SUDAN

被引:23
作者
HAYNES, CV
MEHRINGER, PJ
ZAGHLOUL, ESA
机构
[1] UNIV ARIZONA,DEPT GEOSCI,TUCSON,AZ 85721
[2] WASHINGTON STATE UNIV,DEPT ANTHROPOL,PULLMAN,WA 99163
[3] WASHINGTON STATE UNIV,DEPT GEOL,PULLMAN,WA 99163
[4] GEOL SURVEY EGYPT,CAIRO,EGYPT
关键词
D O I
10.2307/633212
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
摘要
The extreme desert of SW Egypt and NW Sudan has revealed traces of numerous small, shallow, rain- fed lakes, relict from earlier periods of less arid climate. Samples of lacustrine deposits were radiocarbon dated, indicating that the lakes dried up some 6000 years ago, occasioning the withdrawal of the Neolithic inhabitants. Sediment cores taken at Merga for pollen and radiocarbon analysis suggest a later hyperarid phase ending about 600 years ago. -after Authors
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页码:437 / &
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