1. Lecturer, School of Hydropower and Information Engineering, Huazhong Univ. of Science and Technology, Wuhan 430074, China (corresponding author).
2. Engineer, Bureau of Hydrology, Changjiang Water Resources Commission, Wuhan 430010, China.
3. Professor, School of Hydropower and Information Engineering, Huazhong Univ. of Science and Technology, Wuhan 430074, China.
4. Professor, Institute of Hydropower and Hydroinformatics, Dalian Univ. of Technology, Dalian 116024, China; Professor, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian Univ. of Technology, Dalian 116024, China.