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《Remote Sensing Technology and Application》 2017-01
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Mountain Hazards Investigation in Rasuwa District of Nepal After the Earthquake by Using Remote Sensing

Shangguan Donghui;Zhao Wei;Shi Yanmei;Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences;Institute of Mountain Hazards and Environment,Chinese Academy of Sciences;Chinese Peoples' s Liberation Army Unit 61243;  
A few mountain hazards were induced by the Gorkha Earthquake of Nepal 4·25.In this paper,we investigated the landslide,Dammed Lake and so on along the road which effect the relief by using multiple sources of optical remote sensing images.We also analyzed the ground object changes before and after the earthquake by using visual interpretation method and investigated the distribution of mountains hazards in Rasuwa district.The results show that there is less newly formed large landslide.Most of hazards are small and medium landslides,shallow landslide,debris flows,avalanches,rockfall and Dammed Lake.On the image there are clearly identifiable 15 hazards,in which three harmful,respectively Langtang landslide,Resuo landslides and one Dammed Lake.Langtang landslides caused severe damage.
【Fund】: 中国科学院国际合作局对外合作重点项目(131551KYSB2015000);; 国家自然科学基金面上项目(41271082);; 科技部重大科学研究计划(2013CBA01808、2013FY111400)
【CateGory Index】: P642.27;TP79
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