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Modelling of Sand Bars in Coastal Environments

by B. Boczar-Karakiewicz, Univ du Quebec, Canada,
J. L. Bona, Univ du Quebec, Canada,
G. Chapalain, Univ du Quebec, Canada,



Document Type: Proceeding Paper

Part of: Sediment Transport Modeling

Abstract:

A mathematical model describes the formation of sand bars by progressive wind-generated waves. The model decomposes into several constituents linked together in a two step morphological time-loop. The model describes spatial and temporal changes of both the surface wave and the seabed with boundary conditions given by incident wave parameters and by an arbitrary initial bed configuration. Predictions show a satisfactory agreement with observations in environments ranging from lacustrine coastal settings to high-energy ocean shorefaces.

Subject Headings: Surface waves | Water waves | Mathematical models | Sea water | Ocean waves | Shoals | Sea floor

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