1. College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China
2. Department of Geographical Science, Yichun University, Yichun 336000, China
3. Key Laboratory of Resource Environment and Sustainable Development of Oasis, Lanzhou 730070, China
4. State Key Laboratory of Cryospheric Science/National Field Science Observation and Research Station of Yulong Snow Mountain Cryosphere and Sustainable Development (or Yulong Snow Mountain Station), Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730070, China
5. Department of Physical Geography and Resources and Environment, School of Geography and Environment, Jiangxi Normal University, Nanchang 330000, China
6. National Tibetan Plateau Data Center, State Key Laboratory of Tibetan Plateau Earth System, Environment and Resources (TPESER), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China