Bottom friction

As waves propagate into shallow water, the orbital wave velocities penetrate the water depth, and the source function due to wave-bottom interaction become important. The dissipation source function used in the spectral wave module is based on the quadratic friction law and linear wave kinematic the­ory. The dissipation (proportional) coefficient proportional depends on the hydrodynamic and sediment conditions as described in Johnson and Kofoed-Hansen (2000).

Bottom friction specification
General description
Remarks and hints