Close to the South channel of the Yangtze River estuary, the main channel to transport sediment, the east shore of Nanhui becomes an important position for sediment silting.

• 摘要南汇东滩紧邻长江口主要排沙通道南槽而成为泥沙沉降的一个重要部位，为促淤围垦提供了有利的滩地和来沙条件，是上海市规划围垦的重点区域。