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Palm grove groundwater assessment and hydrodynamic modelling Case study: Beni Abbes, South-West of Algeria

Authors
  • Merzougui, Touhami1
  • Bouanani, Abderezak1
  • Rezzoug, Cherif2
  • Mekkaoui, Abedrehmene2
  • Hamzaoui, Fadoua A.3
  • Merzougui, Fatima Z.2
  • 1 FSNVSTU Faculty, Department of Earth Sciences, Algeria , (Algeria)
  • 2 Faculty of Technology, Department of Hydraulics, Algeria , (Algeria)
  • 3 Faculty of Sciences, Department of Geology, Tunisia , (Tunisia)
Type
Published Article
Journal
Journal of Water and Land Development
Publisher
Walter de Gruyter GmbH
Publication Date
Dec 01, 2019
Volume
43
Issue
1
Pages
133–143
Identifiers
DOI: 10.2478/jwld-2019-0071
Source
De Gruyter
Keywords
License
Green

Abstract

This paper presents the groundwater modelling of Beni Abbes palm grove in Southwest Algeria. Beni Abbes oasis alluvial aquifer is part of the Saoura Valley aquifer system, including a loose slick contained in a Quaternary alluvial embankment that fills the Beni Abbes basin. To address local needs, industry and agriculture, groundwater has been intensively exploited in recent years. Groundwater of the Beni Abbes oasis in the Saoura Valley oasis chain, is composed of a complex system, whose layer of alluvial terraces ensures a vital role for a 40-hectare palm grove. Due to its architectural position in the local aquifer system, the alluvial aquifer is mainly fed by the Great Western Erg and sometimes by the Saoura River floods. Based on the hydrogeological, hydrochemical characterisation and hydrodynamic modelling of the alluvial aquifer system of the Beni Abbes oasis, the mathematical model of finite difference and finite difference at steady state leads to the estimation of the hydrodynamic parameters of the aquifer and the evaluation of the complete water balance. The main results of this study provide a better understanding of the geometry and functioning of this aquifer currently in a state of concern. Furthermore, it is necessary to undertake integrated water resource management in this oasis in order to ensure sustainable development.

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