Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8913730 | Journal of African Earth Sciences | 2018 | 40 Pages |
Abstract
Karst aquifers receive increasing attention in Mediterranean countries as they provide large supplies water used for drinkable and irrigation purposes as well as for electricity production. In Teboursouk basin, Northwestern Tunisia, characterized by a typical karst landscape, the water hosted in the carbonates aquifers provides large parts of water supply for drinkable water and agriculture purposes. Groundwater circulation in karst aquifers is characterized by short residence time and low water-rock interaction caused by high karstification processes in the study area. Ion exchange process, rock dissolution and rainfall infiltration are the principal factors of water mineralization and spatial distribution of groundwater chemistry. The present work attempted to study karstic groundwater in Teboursouk region using hydrochemistry and stable isotopes (δ18O and δ2H) tools. Karst aquifers have good water quality with low salinity levels expressed by TDS values largely below 1.5 g/l with Ca-SO4-Cl water type prevailing in the study area. The aquifers have been recharged by rainfall originating from a mixture of Atlantic and Mediterranean vapor masses.
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Geology
Authors
Yosra Ayadi, Naziha Mokadem, Houda Besser, Faten Khelifi, Samia Harabi, Amor Hamad, Adrian Boyce, Rabah Laouar, Younes Hamed,