Design and implementation of runoff harvesting basins for supplemental irrigation in the Burkinabe Sahel
Date
2013
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Publisher
Joint Research Center for Water and Climate (CCREC), International Institute for Water and Environmental Engineering (2iE)
Abstract
Climate change in the Sahel will mean frequent droughts and larger dry spells, where farmers who benefit from dams and irrigated areas is less than 2%. The present study proposes a methodology for design and implementation of low-cost runoff water harvesting basins, using an approach based on community mutual aid. Soil structure has a strong influence on the need for labour for excavation, waterproofing, and choice of materials for stabilization of the walls. Excavation must be made immediately after the harvest season, when the weather is relatively mild, the soil is still moist enough, and food is not a limiting factor.
Description
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Keywords
RAINFED FARMING, DRY SPELLS, WATER HARVESTING, SUPPLEMENTAL IRRIGATION, FOOD SECURITY, BURKINA FASO, RUNOFF WATER, SAHEL, CLIMATE CHANGE ADAPTATION