The contribution of the tidal flat and tidal currents advection to the generation and growth of M4 tidal component isanalyzed by using a numerical modelling in a ideal semi-enclosed rectanglular bay.

• 通过半封闭矩形理想海湾的潮波运动数值模拟，分析了潮滩及平流效应对M4分潮的生成和增长的影响。