1. School of Hohai, Chongqing Jiaotong University 1 , Chongqing 400074, China
2. Upper Changjiang River Bureau of Hydrological and Water Resources Survey, Changjiang Water Resources Commission of the Ministry of Water Resources 2 , Chongqing 400025, China
3. Southwest Research Institute for Hydraulic and Water Transport Engineering, Chongqing Jiaotong University 3 , Chongqing 400016, China