1. Cryosphere Research Station on the Qinghai-Tibet Plateau, State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, People’s Republic of China
2. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
3. PetroChina Research Institute of Petroleum Exploration and Development-Northwest, Lanzhou, People’s Republic of China
4. School of Geographical Sciences, Nanjing University of Information Science & Technology, Nanjing, People’s Republic of China