Contribution of hydrochemical tools for understanding the impact of surface water management on groundwater

The determination of the hydraulic work effect on the groundwater resource in the Nadhour-Sisseb-El Alem region is demonstrated using hydrochemical data. In fact, it is determined using the chloride mass balance (CMB) method and the Gibbs diagram. Quantitative degradation is evidenced by calculating...

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Bibliographic Details
Published in:Arabian journal of geosciences 2022-07, Vol.15 (13), Article 1218
Main Author: Souei, Ali
Format: Article
Language:English
Subjects:
Degradation
Earth and Environmental Science
Earth science
Earth Sciences
Evaporation
Groundwater
Groundwater management
Mass balance
Natural recharge
Original Paper
Qualitative analysis
Surface water
Surface-groundwater relations
Water management
Water resources
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Summary:The determination of the hydraulic work effect on the groundwater resource in the Nadhour-Sisseb-El Alem region is demonstrated using hydrochemical data. In fact, it is determined using the chloride mass balance (CMB) method and the Gibbs diagram. Quantitative degradation is evidenced by calculating the recharge rate using CMB method. The recharge rate decreases from 14 mm/year in the 1980s to 7 mm/year in 2014. The study shows the presence of a relationship between recharge decrease and the development of hydraulic works. The construction of retention structures decreases the natural recharge rate, precisely the lineal recharge. The implementation of data on the Gibbs diagram highlighted a groundwater qualitative degradation. The groundwater progresses from a rock-dominant state to evaporation-dominant state.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-022-10446-2