Use of Environmental Isotopes and Hydrochemistry to Characterize Coastal Aquifers in Semi-arid Region. Case Study of Wadi Guenniche Deep Aquifer (NE Tunisia)

  • Safouan Ben AmmarEmail author
  • Jean-Denis Taupin
  • Mohsen Ben Alaya
  • Kamel Zouari
  • Nicolas Patris
  • Mohamed Khouatmia
Conference paper
Part of the Advances in Science, Technology & Innovation book series (ASTI)


This study presents the first results from the multicriteria approach using geochemical and isotopic tools to understand the origin, geochemical evolution and renewability of deep groundwater in Wadi Guenniche basin, northeastern Tunisia. The study area is a coastal plain that plays an important regional socio-economic role, as the groundwater resources are the most important source for agricultural and drinking supply. Geochemical and isotopic (18O, 2H) data show that the water-rock interaction and cation-exchange process are the major geochemical mechanisms controlling hydrochemical evolution of groundwater. Isotope data (Oxygene-18, deuterium and tritium) point out recent recharge by atmospheric precipitations. Samples from deeper boreholes (300 m) characterized by low 18O and 3H contents suggest older recharge under different climatic conditions.


Coastal aquifer Geochemistry Isotopes Recharge NE Tunisia 



The study is a part of the Tunisian-French scientific action supported by a collaboration contact between ISTEUB (Univ. Carthage) and HSM (IRD).


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Safouan Ben Ammar
    • 1
    • 4
    Email author
  • Jean-Denis Taupin
    • 2
  • Mohsen Ben Alaya
    • 3
  • Kamel Zouari
    • 4
  • Nicolas Patris
    • 2
  • Mohamed Khouatmia
    • 5
  1. 1.ISTEUB, University of CarthageTunisTunisia
  2. 2.UMR 5569 (IRD, CNRS, UM)MontpellierFrance
  3. 3.LMU, INRAP Pôle Technologique Sidi ThabetSidi ThabetTunisia
  4. 4.LRAE, ENI Sfax, Univ. Sfax route de SoukraSfaxTunisia
  5. 5.CNSTNSidi Thabet, TunisTunisia

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