1. Lecturer, College of Water Resources, Henan Key Laboratory of Water Resources Conservation and Intensive Utilization in the Yellow River Basin, North China Univ. of Water Resources and Electric Power, Zhengzhou 450046, PR China (corresponding author).
2. Professor, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Water Resources Research Institute, China Institute of Water Resources and Hydropower Research, Beijing 100038, PR China.
3. Professor, College of Water Resources, Henan Key Laboratory of Water Resources Conservation and Intensive Utilization in the Yellow River Basin, North China Univ. of Water Resources and Electric Power, Zhengzhou 450046, PR China.
4. Professor, Water Resources Research Institute, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, PR China.