Over the last decade, with the rapid development of coastal cities, the construction lands are more and more less, so people began to reclaiming land from the sea. Numerous reclamation project and coastal zone exploitation project arises at the historic moment, which making ocean hydrodynamic environment changes, plus water and soil erosion, finally breaking the original seabed seabed erosion balance, accumulating over a long period, causing serious sediment deposition disasters, which affected the developm...