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. 摘要南匯東灘緊鄰長(cháng)江口主要排沙通道南槽而成為泥沙沉降的一個(gè)重要部位,為促淤?lài)鷫ㄌ峁┝擞欣臑┑睾蛠?lái)沙條件,是上海市規劃圍墾的重點(diǎn)區域。