West Africa has experienced severe droughts during 1970s and 1980s. On the other hand, the region is characterized by high inter-annual rainfall variability and there seems to be a recent recovery. But has the drought ...

Soil moisture is known to be important in hydrology, agronomy, flood and drought forecasting. Acquisition of in situ soil moisture data is time consuming, costly, and does not cover the scale required for basin analysis. ...