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Drought in Africa 1980-2001

Source
United Nations Office for the Coordination of Humanitarian Affairs - Regional Office for Eastern Africa
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This maps illustrates drought risk in the region by overlaying twenty years of data compiled and made available by UNEP/GRID. Drought events are defined as areas where monthly precipitation is lower than 50 % of the median value calculated for the period 1961-1990 during at least three consecutive months. This method is adapted from Brad Lyon at the Columbia University - International Research Institute for Climate Prediction (IRI).

Map data source: FAO, Global Discovery, UNEP/GRID, GAUL 2007

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Document links last validated on: 16 July 2021

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