1. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
2. University of Chinese Academy of Sciences, Beijing, China
3. Zhejiang Key Laboratory of Microwave Target Characteristic Measurement and Remote Sensing, China Science and Technology Satellite Application Deqing Research Institute, Huzhou, China
4. School of Environment, State Key Laboratory Environment Simulation and Pollution Control, Beijing Normal University, Beijing, China
5. Canada Centre for Remote Sensing, Canada Centre for Mapping and Earth Observation, Natural Resources Canada, Ottawa, Canada
6. Qinghai Eco-environment Monitoring Center, Xining, China