1. Engineer, Bureau of Hydrology, ChangJiang Water Resources Commission, Jiefang Ave. No. 1863, Wuhan 430010, China.
2. Lecturer, School of Hydropower and Information Engineering, Huazhong Univ. of Science and Technology, Wuhan, Hubei 430074, China (corresponding author).
3. Senior Engineer, Bureau of Hydrology, ChangJiang Water Resources Commission, Jiefang Ave. No. 1863, Wuhan 430010, China.
4. Engineer, Dept. of Water Resources Management, China Yangtze Power Company Limited, Jianshe Road No. 1, Yichang 443000, China.
5. Professor, Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dept. of Institute of Hydropower and Hydroinformatics, Dalian Univ. of Technology, Dalian 116024, China.