提出了一种在河岸后退过程中追踪不规则动边界的方法,其中心思想是当河岸单元临水边侧壁在水力冲刷、崩塌作用下后退时,记录其侵蚀状态 当后退至一定程度后,在该河岸单元的临水边侧生成一个能反映真实边界的亚单元-Proposed a riverside retreat in the process of tracking moving boundary irregular way, the central idea is that when the river bank near the water si