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废黄河三角洲海岸在1855年黄河北归以来的侵蚀后退速度加快,海岸地貌特征和物质组成等均发生了明显的变异,这对海岸防护措施的选择提出新的要求。因此有必要从苏北侵蚀性
Since 1875, the coast of the Yellow River deltas eroded away from the Yellow River, the erosion receded faster and the coastal geomorphology and material composition all changed obviously. This put forward new requirements for the selection of coastal protection measures. So it is necessary from the North Jiangsu aggressive