1. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, China
2. State Key Laboratory of Frozen Soil Engineering, Lanzhou, 730000, China
3. Beiluhe Observation and Research Station of Frozen Soil Engineering and Environment, 730000, China
4. Cryosphere Research Station on the Qinghai—Tibetan Plateau, Chinese Academy of Sciences, Lanzhou, 730000, China