The main current of Qiantang estuary Jianshan reach is unsteady and the riverbed is variational.Shangyu harbor locates at the south bank of Jianshan reach.

• 摘要钱塘江尖山河段主槽摆动频繁、河床冲淤剧烈，上虞新港（世纪丘新围堤线外）位于尖山河段南岸，可选择范围目前恰为高滩。