1. State Key Laboratory of Cryospheric Science, Cold and Arid Regions Environmental and Engineering Research InstituteChinese Academy of Sciences Lanzhou China
2. Key Laboratory of Remote Sensing of Gansu Province, Heihe Remote Sensing Experimental Research Station, Cold and Arid Regions Environmental and Engineering Research InstituteChinese Academy of Sciences Lanzhou China
3. Center for Excellence in Tibetan Plateau Earth SciencesChinese Academy of Sciences Beijing China
4. Institute of Tibetan Plateau ResearchChinese Academy of Sciences Beijing China
5. Institute of Earth Surface System and Hazards, College of Urban and Environmental SciencesNorthwestern University Xi'an China
6. State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical ScienceBeijing Normal University Beijing China