Warming has brought extreme rainfall to the parched African Sahel, which is seeing aquifers refill after decades of drought. But heavier downpours alone cannot explain the groundwater revival. Experts say efforts to harvest rainfall may also be paying dividends.
After Decades of Drought, Water Is Rising in the African SahelWarming has brought extreme rainfall to the parched Sahel, which is seeing aquifers refill as monsoons grow stronger. But heavier downpours alone cannot explain the water revival, say hydrologists, who believe efforts to harvest rain, along with tree-planting projects, may be paying dividends.e360.yale.edu