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Rainfall Varability and Drought in Sub-Saharan Africa

Year of publication 1996

Place of publication Rome, Italy ;

Pages 7p.

Author Gommes, R.

Product type Article

Synopsis (short abstract) Rainfall variability at a time scale from years to days is as much a characteristic of climate as the total amounts recorded. Low values, however, do not necessarily lead to drought, nor is drought necessarily associated with low rainfall. Agricultural drought occurs when water supply is insufficient to cover crop or livestock water requirements. In addition to reduced rainfall, a number of factors may lead to agricultural drought, some of them not always obvious. Much more than the occasional w idespread and severe climatological droughts which catch the attention of the media, it is this "invisible" agricultural drought which prevents farmers at the subsistence level from achieving regular and high yields. "Invisible" drought is brought about by environmental degradation as much as by climate.

Language English

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