1. Department of Geography and the Environment University of Denver Denver CO USA
2. Department of Geography University of Wisconsin‐Madison Madison WI USA
3. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing China
4. School of Geography Nanjing Normal University Nanjing China
5. State Key Laboratory of Resources and Environmental Information System Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences Beijing China
6. Earth Science Department Santa Monica College Santa Monica CA USA
7. Center for Geo‐Spatial Information Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences Shenzhen China