1. Professor and Senior Engineer, Key Laboratory of River Regulation and Flood Control of Ministry of Water Resources of China, Yangtze River Scientific Research Institute, Wuhan 430010, China.
2. Associate Professor, Dept. of River Engineering, School of Hydropower and Information Engineering, Huazhong Univ. of Science and Technology, Wuhan 430074, China; Senior Engineer, Yangtze River Scientific Research Institute, Wuhan 430010, China (corresponding author).