1. Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
2. University of Chinese Academy of Sciences, Beijing, China
3. CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, China
4. Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China