该文从海岸动力地貌的角度，对琼州海峡南岸的海岸动力特征、泥沙运动以及岸滩演变进行分析。
The coastal dynamicfeatures, sediment transport and beach evolution along the south strait coast areanalyzed in the view of coastal dynamic geomorphology.
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.
东沙是江苏岸外辐射沙脊群中的第二大沙洲，具有独特的地形地貌和水动力条件，对它进行稳定性研究为揭示整个辐射沙洲及其邻近岸滩的动态演变都非常有益。
So the stability study of the Dongsha sandbank is very helpful to the analysis of the stability of the whole radial submarine sand ridges system and the neighboring tidal flat.
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