1. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. Key Laboratory Earth Observation Hainan Province, Sanya Institute of Remote Sensing, Sanya, People’s Republic of China
3. University of Chinese Academy of Sciences, Beijing, People’s Republic of China
4. Department of Geography, University of South Carolina, Columbia, SC, USA
5. State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing, People’s Republic of China