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Communication Dans Un Congrès Année : 2005

Random field approach to seawater intrusion in heterogeneous coastal aquifers: unconditional simulations and statistical analysis

Al Bitar Ahmad
Rachid Ababou

Résumé

Seawater intrusion in coastal aquifers is a growing concern in mediterranean regions, due to over-population and over-exploitation of coastal groundwater resources. Under these circumstances, it is essential to model the extent of seawater intrusion and to locate the saltwater-freshwater interface taking into account heterogeneity and parameter uncertainty. There are different ways to couple salt transport and freshwater flow in groundwater models. We choose here the vertically integrated sharp interface approach, with two immiscible fluid regions (freshwater and seawater). We use this model to analyze the effects of aquifer variability on the saltwater wedge in plane view, based on large numerical simulations of 2D seawater intrusion in randomly heterogeneous unconfined aquifers.
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Dates et versions

hal-04490987 , version 1 (05-03-2024)

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Al Bitar Ahmad, Rachid Ababou. Random field approach to seawater intrusion in heterogeneous coastal aquifers: unconditional simulations and statistical analysis. geoENV 2004, Oct 2004, Neuchâtel, Switzerland. pp.233-248, ⟨10.1007/3-540-26535-X_20⟩. ⟨hal-04490987⟩
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