Geochemical, multi-isotopic and hydrogeological characterization of mineralized groundwaters, Entre-deux-Mers area, Gironde (SW France). - Archive ouverte HAL Accéder directement au contenu
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Geochemical, multi-isotopic and hydrogeological characterization of mineralized groundwaters, Entre-deux-Mers area, Gironde (SW France).

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Résumé

Groundwater quality sustainability In the south-west of France, the Eocene aquifer is one of the main resources for irrigation, thermo-mineral water, and mainly for drinking water in the Bordeaux region. This aquifer is characterized by the presence of a large mineralized area, centered on the Entre-deux-Mers region, between the Garonne and the Dordogne rivers, where the groundwaters show strong mineralization and anomalous levels of critical elements, such as sulphates and fluoride, leading to difficulties of resource exploitation for drinking water supply. Ongoing analyses of major elements confirm the salinity variation in the system and the multi-isotopes results will be presented at the conference, in order to decipher the origin of this salinity.
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Dates et versions

hal-00588299 , version 1 (22-04-2011)

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  • HAL Id : hal-00588299 , version 1

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Eline Malcuit, Philippe Négrel, Emmanuelle Petelet-Giraud, O. Atteia, Michel Franceschi, et al.. Geochemical, multi-isotopic and hydrogeological characterization of mineralized groundwaters, Entre-deux-Mers area, Gironde (SW France).. XXXVIII IAH Congress 2010, Sep 2010, Krakow, Poland. ⟨hal-00588299⟩
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