Water depth and current velocity, as the fundamental constituents of hydrodynamics, played an important role in sediment advection, deposition and resuspension on the intertidal flats.

• 摘要潮间带周期性淹水区域水深、流速的变化过程是潮滩水动力过程的基本组成部分，也是潮流与泥沙相互作用的基础。