1. Key Laboratory of Tibetan Environment
Changes and Land Surface Processes, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
2. Institute of Low Temperature
Science, Hokkaido University, Sapporo,
060-0819, Japan
3. State Key Laboratory of Cryospheric
Sciences, Chinese Academy of Sciences,
Lanzhou 730000, China
4. Southwest University, Chongqing 400715, China