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Coastal Hydrodynamics And Transport Processes

Tombolo formation behind coastal breakwater

The hydrodynamic conditions or processes, that come about from waves transforming over a coastal profile and generating wave set up and longshore currents, will result in movement and transport of the sediments (e.g. sand) present in the profile. This is referred to as littoral transport processes and is the main subject of this article. However, transport of fine sediments will also be discussed, but only very briefly.

Sediment transport in general

The sediment on the seabed is transported when it is exposed to large enough forces, or shear stresses, by the water movements. These movements can be caused by the current or by the wave orbital velocities or a combination of both, the latter being the most important situation...