1. Key Laboratory of Remote Sensing of Gansu Province, Heihe Remote Sensing Experimental Research Station, Cold and Arid Regions Environmental and Engineering Research Institute; Chinese Academy of Sciences; Lanzhou China
2. Earth Systems Research Center, Institute for the Study of Earth, Oceans, and Space; University of New Hampshire; Durham NH USA
3. CAS Center for Excellence in Tibetan Plateau Earth Sciences; Chinese Academy of Sciences; Beijing China
4. School of Geographical Sciences; Southwest University; Chongqing China
5. Key Laboratory of Land Surface and Climate Change in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute; Chinese Academy of Sciences; Lanzhou China
6. State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute; Chinese Academy of Sciences; Lanzhou China