1. College of Atmospheric Sciences Collaborative Innovation Center for Western Ecological Safety Lanzhou University Lanzhou China
2. School of Earth Sciences The Ohio State University Columbus OH USA
3. Energy and Resources Group University of California, Berkeley Berkeley CA USA
4. State Key Laboratory of Earth Surface Processes and Resource Ecology Faculty of Geographical Science Beijing Normal University Beijing China
5. College of Geographic Science Hunan Normal University Changsha China
6. Princeton Environmental Institute Princeton University Princeton NJ USA