Smallholder groundwater irrigation in Sub-Saharan Africa: country-level estimates of development potential

Paul Pavelic, Karen G. Villholth, Yunqiao Shu, Lisa-Maria Rebelo and Vladimir Smakhtin

Water International, 2013, vol. 38, issue 4, 392-407

Abstract: The abundance of groundwater resources of Sub-Saharan Africa is generally well recognized, but quantitative estimates of their potential for irrigation development are lacking. This study derives estimates using a simple and generic water balance approach and data from secondary sources for 13 countries. Even with conservative assumptions and accounting for water demands from other sectors, including the environment, a 120-fold increase (by 13.5 million hectares) in the area under groundwater irrigation is possible for the countries considered. This expansion could improve the livelihoods of approximately 40% of the present-day rural population.

Date: 2013
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DOI: 10.1080/02508060.2013.819601

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