Bouya, B. and Faouzi, M. and Abbou, M.B. and Essahlaoui, A. and Bahir, M. and Youbi, N. and Hessane, M.A. (2011) The coastal aquifer of Mnasra (Gharb, Morocco): Hydrogeology and hydrodynamic modelling L'aquifère côtier des Mnasra (Plaine du Gharb, Maroc): Hydrogéologie et modélisation hydrodynamique. Comunicacoes Geologicas, 98 (1). pp. 73-81.

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Abstract

During the last decade, the Plio-Quaternary aquifer of Mnasra has been subjected to an anarchic and non-rational groundwater abstraction, generating an overexploitation of the aquifer and causing the rupture of the hydrodynamic equilibrium and degradation of water quality. The piezometry of the watertable shows that the flow is divergent from center to edges in the northern half and becomes east-west in the southern half with a reversal of the general sense of flow between the piezometric maps of 1964 and 2005. The development of a mathematical model for 3D finite difference, under steady-state groundwater flow in 1964, was used to understand the spatial distribution of permeability and recharge. This model, that confirms the hydrogeological functioning of the Mnasra aquifer system, allowed calculating the different terms of water balance which is very balanced. © 2011 LNEG - Laboratório Nacional de Geologia e Energia, IP.

Item Type: Article
Uncontrolled Keywords: coastal aquifer; degradation; finite difference method; groundwater; groundwater flow; hydrogeology; recharge; steady-state equilibrium; three-dimensional modeling; water budget; water quality; water table; groundwater abstraction; hydromechanics; numerical model; Pliocene-Pleistocene boundary, Gharb; Gharb-Chrarda-Beni Hssen; Morocco
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46
URI: http://eprints.umi.ac.ma/id/eprint/2922

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