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汕头港湾附近水域的潮流特征，由于拦沙堤的建成及港池附近河道变窄而发生了一些变化。本文在取得现场实测资料的基础上，采用沿深度平均的二维浅水潮波方程，对该水体的潮流场进行了数值模拟计算，重现出潮流场在一个潮周期中的变化过程，分析潮流对污染扩散的作用。
The tidal current characteristics of the waters near Shantou Harbor have changed due to the completion of the sand blocking dam and the narrowing of the river channel near the harbor. Based on the field data, a two-dimensional shallow-water wave equation along the depth is used to simulate the tidal flow field of the water body and to reproduce the changing trend of the tidal flow field in a tidal cycle. The role of pollution spread.