1. College of Geomatics, Xi’an University of Science and Technology, Xi’an 710054, China
2. International Research Center of Big Data for Sustainable Development Goals, Beijing 100094, China
3. Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
4. Heihe Remote Sensing Experimental Research Station, Key Laboratory of Remote Sensing of Gansu Province, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China