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Original Articles

1-D numerical simulation of sediment transport in alluvial channel beds

Study cases

Pages 269-292 | Published online: 04 Oct 2011
 

ABSTRACT

Quantitative estimate of sediment transport processes is important especially in river-control engineering and for water management projects. In this paper the sediment routing of a 1-D model is presented and applied to some study cases. The procedure simulates the variations of bed roughness conditions due to natural sorting and to generation and migration of bed forms. The suspended-load and the bed-load are treated separately.

RÉSUMÉ

L'estimation quantitative des processus de transport des sédiments est importante, notamment dans l'ingénierie fluviale et dans le contrôle des projets de gestion d'un cours d'eau. Dans cet article, la « routine sédiments » d'un modèle 1-D est présentée et appliquée à quelques études de cas. La procédure simule les variations des conditions de rugosité du lit en raison de tri naturel et à la création et la migration des formes du fond. Le débit solide en suspension et le transport solide de fond sont traités séparément.

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