Rainfall Conditions in Equatorial East Africa during the Nineteenth Century as Inferred from the Record of Lake Victoria
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The East African lakes have exhibited dramaticfluctuations on both historical and paleo-climatictime scales. Levels of these lakes, and otherhistorical indicators in Africa, suggested thatenvironmental conditions in the nineteenth centurywere much more extreme than anything evident in themodern record. In this study, a water balance modelis used to estimate the rainfall associated with theseconditions, based on the Lake Victoria record. Theresults suggest that the conditions were not unlikeanomalous periods found during the twentieth century,but they may have persisted for somewhat longerperiods of time. The paper also demonstrates ageneric tool that can be applied to interpretinghistorical and paleo-lake levels in quantitative termsof rainfall.
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