1. College of Geography and Remote Sensing, Hohai University, Nanjing, China
2. School of Earth Sciences and Engineering, Hohai University, Nanjing, China
3. Department of Geography and Planning, University of Saskatchewan, Saskatoon, Canada
4. The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing, China
5. Yangtze Institute for Conservation and Development, Hohai University, Nanjing, China