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江口主要排沙通道南槽而成為泥沙沉降的一個重要部位，為促淤圍墾提供了有利的灘地和來沙條件，是上海市規劃圍墾的重點區域。
The author also demonstrates that the accuracy of measured data of coarse particles near the bed layer will not change the total decrease of incoming sediment to TGR. 最后，論述了來沙減少對三峽水庫淤積的影響，特別是變動回水區在相當長的一段時間，淤積還會大為緩解。
