And rebuild the variance process of Biandan Sand-Nanfeng Sand south in Chongming county seat.This case is a response of a typical channel section to hydraulic engineering.

• 在重建冲淤状况的基础上，对崇明县城南侧扁担沙-南丰沙的变迁过程进行重建，以此为例探讨了典型河槽断面的演化过程。