1. Ph.D. Candidate, State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, College of Hydrology and Water Resource, Hohai Univ., Nanjing 210098, China.
2. Professor, State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, College of Hydrology and Water Resource, Hohai Univ., Nanjing 210098, China (corresponding author).
3. Professor, Guangxi Key Laboratory of Disaster Prevention and Engineering Safety, College of Civil and Architectural Engineering, Guangxi Univ., Guangxi 530004, China.