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2018 | OriginalPaper | Chapter

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

Authors : Safouan Ben Ammar, Jean-Denis Taupin, Mohsen Ben Alaya, Kamel Zouari, Mohamed Khouatmia

Published in: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions

Publisher: Springer International Publishing

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Abstract

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.

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previous chapter Assessment of Seawater Intrusion in the Maritime Djeffara Coastal Aquifer (Southeastern Tunisia)

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Mannai K. Interprétation climatique de la variabilité isotopique (¹⁸O et ²H) des précipitations dans le Nord-Est Tunisien (région de Bizerte). Master’s report. Université de Tunis-el Manar; 2016. 96 p.

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Melki F, Zouaghi T, Harrab S, Casas Sainz A, Bedir M, Zargouni F. Structuring and evolution of Neogene transcurrent basins in the Tellian foreland domain, north-eastern Tunisia. J Geodyn. 2011;52:57–69.CrossRef

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Title: Geochemical and Isotopic Study of a Coastal Phreatic Aquifer from the NE of Tunisia: Guenniche Basin
Authors: Safouan Ben Ammar
Jean-Denis Taupin
Mohsen Ben Alaya
Kamel Zouari
Mohamed Khouatmia
Publisher: Springer International Publishing
Book: Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions
Print ISBN: 978-3-319-70547-7

Electronic ISBN: 978-3-319-70548-4

Copyright Year: 2018
DOI: https://doi.org/10.1007/978-3-319-70548-4_208