![]() The objective is to be able to characterize salinization dynamics and the related surface water-groundwater interactions. ![]() The main interest of this work is on the hydrogeological aspect of salinization of shallow aquifers in the the Senegal River delta. Evidence of cyclical marine transgressions and regressions go back to the Jurassic, and multiple transgressions have occured in the Quaternary period alone. Marine invasion and even full transgressions have been known to what is now the delta throughout geological history. Salinization in the Senegal River delta originates from marine water invasion, both past and present, into the continent. The importance of surface water from the Senegal River is elevated more by the fact that much of the groundwater accessible by shallow wells is saline. ![]() Due to low pluviometry in the delta, this river is an exceptionally important water resource for the region. The Senegal River delta is located in a semi-arid sahelian zone of West Africa.
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