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Book chapter Book chapter Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:The climate of the Sahara in the period of meteorological records
Author:Grove, A.T.ISNI
Book title:The Sahara: ecological change and early economic history
Geographic term:Sahara
Abstract:Concerns mainly precipitation, in a region where mean annual values are less than 150 mm in the south and less than 100 mm in the north, and where rainfall is highly variable from year to year and over short distances. The work of climatologists published since the beginning of the century is reviewed and the attempts to discern some kind of ordering of the rainfall experienced in the north and south sides of the Sahara are assessed. It is concluded that a complexity exists in the precipitation departure patterns over northern Africa giving a large number of anomaly types. The anomalous conditions are relevant with respect to the possibility of a temporary existence of lakes in the Late Holocene. Map, ref.