Mathematical Modelling of Sediment Transport and Deposition in Reservoirs - Guidelines and Case Studies / Modelisation Mathematique du Transport et des Depots de Sediments dans les Reservoirs - Lignes Directrices et Etudes de Cas
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As reservoir sedimentation has proven to be a serious problem in South Africa, research in this field has been ongoing for more than 70 years. This publication emanates from extensive research which has been undertaken over the past 30 years with the support of the South African Department of Water and Sanitation as well as the South African Water Research Commission. A great deal of information has fortunately also been obtained from China. Given the universal nature of hydraulic formulae it is not surprising, yet gratifying, that Chinese and South African data generally conform to the same mathematical relationships. This indicates that these relationships should be applicable in other countries as well. Much of the information contained here has been condensed from a more comprehensive publication. This ICOLD Bulletin follows on Bulletin 115 "Dealing with reservoir sedimentation", which gave guidelines for management of reservoirs to limit sedimentation. The guidelines on mathematical modelling of sediment transport dynamics in reservoirs in this document can be used during the planning and design of new dams, as well as for the management of existing dams. Comme la sdimentation dans les rservoirs s'est avre tre un problme srieux en Afrique du Sud, la recherche dans ce domaine est en cours depuis plus de 70 ans. Cette publication mane de la recherche tendue qui a t mene au cours des 30 dernires annes avec l'appui du ministre sud-africain de l'eau et de l'assainissement, ainsi que de la commission sud-africaine de recherche sur l'eau. Un grand nombre d'informations ont galement t obtenues de la part de la Chine. tant donn le caractre universel de formules hydrauliques, il n'est pas surprenant, mais trs gratifiant, que les donnes chinoises et sud-africaines se conforment gnralement aux mmes relations mathmatiques. Ceci indique que ces relations devraient tre applicables dans d'autres pays galement. Une grande partie de l'information contenue ici a t condense partir d'une publication plus complte. Ce bulletin CIGB fait suite au bulletin 115 "Trait sur la sdimentation dans les rservoirs", qui a donn des directives pour la gestion des rservoirs en vue de limiter la sdimentation. Les directives sur la modlisation mathmatique de la dynamique de transport des sdiments dans les rservoirs de ce prsent document peuvent tre utilises lors de la planification et la conception de nouveaux barrages et pour la gestion des barrages existants.
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