1. Cryosphere Research Station on the Qinghai-Tibetan Plateau, State Key Laboratory of Cryosphere Sciences, Northwest Institute of Eco-Environment and Resources; Chinese Academy of Sciences; Lanzhou China
2. Environmental Science; University of South Florida; St. Petersburg Florida USA
3. State Key Laboratory of Frozen Soil Engineering, Northwest Institute of Eco-Environment and Resource; Chinese Academy of Sciences; Lanzhou China
4. College of Earth Sciences; University of Chinese Academy Sciences; Beijing China