Groundwater Management: Addressing the Threats of Climate Change
By Tetra Tech ARD
This brief is an analysis of how climate change may impact groundwater in West Africa.
Rising temperatures and changes in rainfall patterns will likely reduce the recharge of aquifers and increase demand for stable groundwater resources. This pressure will be exacerbated by the promotion of powered wells on farms and population growth in the region. Projections show that about twice as much drinking water will be needed in 25 years.
Current water databases and management initiatives are mainly at the national level and do not reach down to the local level, where water is used and managed. Monitoring is underfunded and doesn’t always capture critical locations.
The brief issues recommendations for boosting groundwater supplies, including adopting an integrated water management approach that also addresses surface water. This could be implemented using a multiple-use service model that has been piloted in Niger.
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