La Houille Blanche
Number 6-7, Octobre 2001
|Page(s)||72 - 75|
|Published online||01 July 2009|
Envasement des retenues de barrages
Sitting in dam basins
Chef de Division à la Direction Générale de l'Hydraulique, Rabat, Maroc
2 Directeur de la Planification ONEP, Administrateur de l'IME
Silting of a dam basin causes the reduction of the dam storage capacity due to the accumulation of sediments. Silting affects the performance of a dam basin since it reduces its regulation capacity and its service life; it lowers the efficacy of its management; and it induces lasting safety hazards. The negative impacts of silting are not limited to the dam itself; they also concern the downstrem adduction, distribution and treatment infrastructures. Finally, the sitting process jeopardizes the efforts of surface water development projects.
© Société Hydrotechnique de France, 2001
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