河口泥沙运动（sediment movement in estuaries），是指在河口水流、风浪、电化学和生物的作用下产生的泥沙运动。
在此基础上开展了典型水沙条件下黄河河口泥沙运动规律的模拟研究。
On this basis, the model is applied to study the movement of sediment in the estuary of Yellow River under typical flow and sediment condition.
本文研究了九龙江河口湾的泥沙运动特点与沉积动力机制。
Silt movement and its deposition dynamic mechanism in the Jiulongjiang Estuary were studied in the paper.
通过分析灌河口附近海域的泥沙运动特点，采用经验公式从定性和定量两个方面对灌河口拦门沙整治工程后的岸滩演变进行了预报。
By analyzing the sediment movement characteristics, we use the selected empirical formulas to forecast the coastal evolution after the regulation project in Guanhe estuary.
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