1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
2. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing Normal University, Nanjing, China
3. Collaborative Innovation Centre for Baiyangdian Basin Ecological Protection and Jingjinji Regional Sustainable Development, Hebei University, Baoding, China
4. Department of Geography, University of Wisconsin-Madison, Madison, WI, USA
5. Key Laboratory of Virtual Geographic Environment, Nanjing Normal University, Nanjing, China
6. State Key Laboratory Cultivation Base of Geographical Environment Evolution, Nanjing Normal University, Nanjing, China
7. Global Land Cover Facility, Department of Geographical Sciences, University of Maryland, College Park, USA
8. Department of Cognitive Computing, Agriculture Information Institute of Chinese Academy of Agricultural Sciences, Beijing, China
9. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
10. Department of Standard Quality Management, National Geomatics Center of China, Beijing, China
11. School of Computer Science, South China Normal University, Guangzhou, China