Modelling of Suspended Sediment Fluxes off the Rhone River Mouth

Sandrine Arnoux-Chiavassa, Vincent Rey, Philippe Fraunie

Abstract


A three dimensional hydrodynamic model including the suspended sediment transport is presented and appilied to the microtidal coastal region off the Rhone river mouth. The dependence of the solution on turbulent parametIzation is first numerically investigated. The model is then adjusted and applied to typical climate events encountered during a field campaign and an adequate agreement between numerical results and field measurements is obtained. Then, the suspended sediment transport is computed for climate conditions when relevant to the beach nourishment and shoreline evolution.


Keywords


Three-dimensional numerical modeling; coastal hydrodynamics; river plume; suspended sediment transport.

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