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Innovative in-situ measurements, analysis and modeling of sediment dynamics in Chambon reservoir, France

  • M. Jodeau
  • , M. Cazilhac
  • , A. Poirel
  • , P. Negrello
  • , K. Pinte
  • , J. P. Bouchard
  • , C. Bertier

Résultats de recherche: Le chapitre dans un livre, un rapport, une anthologie ou une collectionContribution à une conférenceRevue par des pairs

Résumé

This paper focuses on siltation processes in an Alpine reservoir, the Chambon Reservoir on the Romanche River. Suspended sediment concentration monitoring upstream the dam leads to the identification of the main contributing hydrological events. Downstream monitoring demonstrates that specific operating conditions (reservoir level, discharge) allow sediment routing throughout the reservoir. In order to elaborate a clear comprehension of sediment processes, field surveys have also been performed in the reservoir. Bathymetry, Velocity field, sediment concentration were monitored. An innovative device has been built in order to identify sediment and flow dynamics inside the reservoir. Some preliminary numerical simulation of sediment dynamics in the reservoir using TELEMAC2D and SISYPHE show encouraging results. Actually modeling could be a useful tool to evaluate sediment management strategy. The main processes involved in suspended sediment transport were identified and their understanding will help to define strategies to reduce sedimentation in Chambon reservoir.

langue originaleAnglais
titreReservoir Sedimentation - Special Session on Reservoir Sedimentation of the 7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014
EditeurCRC Press/Balkema
Pages53-61
Nombre de pages9
ISBN (imprimé)9781138026759
Les DOIs
étatPublié - 1 janv. 2014
Modification externeOui
EvénementSpecial Session on Reservoir Sedimentation of the 7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014 - Lausanne, Suisse
Durée: 3 sept. 20145 sept. 2014

Série de publications

NomReservoir Sedimentation - Special Session on Reservoir Sedimentation of the 7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014

Une conférence

Une conférenceSpecial Session on Reservoir Sedimentation of the 7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014
Pays/TerritoireSuisse
La villeLausanne
période3/09/145/09/14

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