[1]Dam Safety Management Center of Ministry of Water Resources Nanjing Hydraulic Research Institute Nanjing 210029 China;
[2]State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering Nanjing Hydraulic Research Institute Nanjing 210029 China;
[3]Key Laboratory of Failure Mechanism and Safety Control Techniques of Earth-Rock Dam Ministry of Water Resources Nanjing Hydraulic Research Institute Nanjing 210029 China;
[4]College of Hydrology and Water Resources Hohai University Nanjing 210098 China;
Plain reservoirs; Sediment deposition; Clipping via island construction; MIKE21 SW; Numerical simulation;