1. Institute of Remote Sensing and Geosciences, Hangzhou Normal University, Hangzhou, People’s Republic of China
2. Chongqing Jinfo Mountain Karst Ecosystem National Observation and Research Station, School of Geographical Sciences, Southwest University, Chongqing, People’s Republic of China
3. Chinese Academy of Sciences, Aerospace Information Research Institute, Beijing, People’s Republic of China
4. Department of Geography, The University of Hong Kong, Hong Kong, People’s Republic of China