Susmita Dhakal¹, Peng Cui², Li-jun Su², Chandra Prasad Rijal³ and Ashok Maharjan¹, (1)Central Department of Environmental Science, Tribhuvan University, Kathmandu, Nepal, (2)Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China, (3)Tourism Search and Rescue Guidance Committee, Government of Nepal, Kathmandu, Nepal