Gebremedhin Gebremeskel Haile¹, Qiuhong Tang², Guoyong Leng¹, Guoqiang Jia¹, Jie Wang², Diwen Cai¹, Siao Sun¹, Binod Baniya¹ and Qinghuan Zhang¹, (1)Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China, (2)Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, China