1. State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
2. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
3. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China
4. Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John’s, NL, Canada A1B 3X5