1. College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
2. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
3. The State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academic of Sciences and University of Chinese Academic of Sciences, Beijing 100083, China
4. The College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
5. The Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China