Lingxiao Wang¹, Lin Zhao¹, Huayun Zhou² and Shibo Liu², (1)NUIST Nanjing University of Information Science and Technology, Nanjing, China, (2)Cryosphere Research Station on Qinghai-Xizang Plateau, State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China