1. SDU Life Cycle Engineering, Department of Chemical Engineering, Biotechnology, and Environmental Technology, University of Southern Denmark, 5230 Odense, Denmark
2. Institute of Remote Sensing and Geographical Information Systems, Peking University, Beijing, China
3. Beijing Key Lab of Spatial Information Integration & Its Applications, Peking University, Beijing, China
4. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, 100101 Beijing, China