In this paper,a systematic study on dynamic mechanism of sediment particles being winnowed from seaded by wave action is carried out.

• 本文从床面附近泥沙颗粒的运动特征出发，详细分析波浪作用下床面泥沙扬起的动力学机制，得到了波浪掀沙计算公式，计算结果与实测资料相吻合。