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Communication Dans Un Congrès Année : 2018

Geochemical and Isotopic Study of a Coastal Phreatic Aquifer from the NE of Tunisia: Guenniche Basin

Résumé

The geochemistry and isotopic composition (18O, 2H) of groundwater from the alluvial phreatic aquifer in the Wady Guenniche basin (NE of Tunisia), were investigated in order to reveal the origin of the water salinity. The major geochemical processes in the aquifer are evaporite mineral dissolution and mineral exchange with clays. The salinization of groundwater would be a limiting factor in their use for irrigation. The stable isotopic composition of water indicates a groundwater recharge in current climate condition and the point closest to the sea indicates the possible beginning of a seawater intrusion as a result of the intensive exploitation of resources. The tritium data confirm a recent recharge younger than 1950.

Domaines

Hydrologie
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Dates et versions

hal-02098155 , version 1 (12-04-2019)

Identifiants

Citer

Safouan Ben Ammar, J.D. Taupin, Mohsen Ben Alaya, Kamel Zouari, Mohamed Khouatmia. Geochemical and Isotopic Study of a Coastal Phreatic Aquifer from the NE of Tunisia: Guenniche Basin. 1rst Euro-Mediterranean Conference for Environmental Integration, Nov 2017, Sousse, France. pp.703-705, ⟨10.1007/978-3-319-70548-4_208⟩. ⟨hal-02098155⟩
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