1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science Beijing Normal University Beijing China
2. State Key Laboratory of Information Engineering in Survey, Mapping and Remote Sensing Wuhan University Wuhan China
3. College of Resources and Environmental Sciences Tibet Agriculture & Animal Husbandry University Nyingchi China
4. State Key Laboratory of Urban and Regional Ecology Research Center for Eco‐Environmental Sciences, Chinese Academy of Sciences Beijing China