2008 Volume 52 Pages 1333-1338
Simulation model for bottom topography changes in tidal land are applied to field data. A formulation for settling velocity in cohesive sediment transport model is described through a flocculation model that includes the effect of turbulence-induced aggregation and floc breakup. Firstly, wet-dry scheme is applied into the simulation model to incorporate the effect of tidal flat to make clear the tidal circulation properties in North Ariake Sea. Secondly, bottom topography change model is applied to bottom topography changes in navigation channel and tidal flat. These simulation results show that the simulation model in this study is effective to predict bottom topography changes due to only tidal-induced current in tidal flat.
