1. Lecturer, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing 210098, China.
2. Professor, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing 210098, China.
3. Reader, School of Engineering and Materials Science, Queen Mary, Univ. of London, London E1 4NS, U.K.
4. Professor, State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai Univ., Nanjing 210098, China
5. Professor, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan Univ., Chengdu 610065, China (corresponding author).