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Two-dimensional modeling of sediments deposits in dam reservoirs in Algeria; Modelisation bidimensionnelle du depot de sediments dans un barrage en Algerie

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Two-dimensional modeling of sediments deposits in dam

reservoirs in Algeria; Modelisation bidimensionnelle du depot

de sediments dans un barrage en Algerie

Authors

M Bessenasse, A Kettab, A Paquier

Publication date

2004/7/1

Description

The method to build a numerical model intended to predict the formation and the change of sediment deposits upstream from a dam is presented. From information about the inputs of water and sediments coming from the catchment supported by a QdF type hydrological analysis, a horizontal 2-D hydraulic model which couples shallow water equations and one equation for advection and diffusion of sediment concentration is used. Applying this model to Zardezas reservoir in Skikda (Algeria) region shows, on the one hand, the practical difficulties met on such case and, on the other hand, the potentialities of such a method for the management of Algerian reservoirs.(authors)

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