Articles | Volume 385
https://doi.org/10.5194/piahs-385-351-2024
https://doi.org/10.5194/piahs-385-351-2024
Post-conference publication
 | 
19 Apr 2024
Post-conference publication |  | 19 Apr 2024

Impacts of climate variations and human influences on groundwater recharge in the semi-arid Trarza aquifer (SW Mauritania)

Ahmed Salem Mohamed, Christian Leduc, Sidi Yeslem, Guinka Tagarinska, and Salek Aichete

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Short summary
The Trarza phreatic aquifer (40 000 km2, SW Mauritania) is limited by the Senegal River and the Atlantic Ocean. Its main features are : – a regional flow from the south and west to the north-east, with most groundwater levels below the sea level, – a weak but visible recharge by rainfall, of the same order of magnitude than the inflow from the Senegal River – simultaneously a long-term stability (including traces of former transgressions) and multiple impacts of human activities.