1. State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, 326 W. Donggang Rd., Lanzhou 730000, P. R. of China (Corresponding author), e-mail: zhangze@lab.ac.cn, https://orcid.org/0000-0001-7330-031X
2. State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, 326 W. Donggang Rd., Lanzhou 730000, P. R. of China (Corresponding author), e-mail: wenjief@lzb.ac.cn
3. State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, 326 W. Donggang Rd., Lanzhou 730000, P. R. of China