1. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin; China Institute of Water Resources and Hydropower Research; Beijing 1000038 China
2. School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen Univ.; Guangzhou 510275 China
3. School of Hydraulic Engineering, Changsha Univ. of Science and Technology; Changsha 410114 China