1. College of Geography and Tourism, Chongqing Normal University, Chongqing, People’s Republic of China
2. Key Laboratory of GIS Application of Chongqing, Chongqing, People’s Republic of China
3. Chongqing Key Laboratory of Earth Surface Processes and Environmental Remote Sensing in Three Gorges Reservoir area, Chongqing, People’s Republic of China
4. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People’s Republic of China