1. a Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
2. b State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
3. c Akesu National Station of Observation and Research for Oasis Agro-Ecosystem, Akesu, China
4. d College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China