1. Assistant Professor, Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, People’s Republic of China; formerly, Ph.D Student, Center for Agricultural Water Research in China, China Agricultural Univ., Beijing 100083, People’s Republic of China.
2. Professor, Yangzhou Univ., Yangzhou 225009, People’s Republic of China; formerly, Professor, Center for Agricultural Water Research in China, China Agricultural Univ., Beijing 100083, People’s Republic of China (corresponding author).
3. Professor, Dept. of Geology and Geophysics, Texas A&M Univ., College Station, TX 77843-3115.
4. Water Authority of Haidian District, Beijing 100089, People’s Republic of China.
5. Guangxi Institute of Water Resources Research, Nanning 530023, People’s Republic of China.