1. School of Resource and Environmental Sciences Wuhan University Wuhan China
2. Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences Urumqi China
3. Key Laboratory of GIS, Ministry of Education Wuhan University Wuhan China
4. Key Laboratory of Digital Mapping and Land Information Application Engineering, National Administration of Surveying, Mapping and Geoinformation Wuhan University Wuhan China
5. Collaborative Innovation Center of Geospatial Technology Wuhan University Wuhan China
6. School of Geography and Tourism Xinjiang Normal University Urumqi China
7. Department of Geography Ghent University Ghent Belgium
8. Faculty of Environmental Sciences Czech University of Life Sciences Prague Prague Czech Republic