1. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
2. College of Resources and Enviroment, University of Chinese Academy of Sciences, Beijing, China
3. Department of Geography, Ghent University, Ghent, Belgium
4. Royal Meteorological Institute, Brussels, Belgium
5. Department of Physics and Astronomy, Ghent University, Ghent, Belgium
6. School of Emergency Management, Xihua University, Chengdu, China
7. School of Geographic Sciences, Nanjing University of Information Science & Technology, Nanjing, China
8. Department of Computer Vision & Remote Sensing, Technische Universität Berlin, Berlin, Germany
9. Sino-Belgian Laboratory for Geo-Information, Ghent, Belgium