1. College of Hydrology and Water Resources, Hohai University, Nanjing 210024, China
2. School of Earth Science and Engineering, Hohai University, Nanjing 211100, China
3. Department of Geography and Planning, University of Saskatchewan, Saskatoon, SK S7N 5C8, Canada
4. Yangtze Institute for Conservation and Development, Hohai University, Nanjing 210024, China
5. Department of Civil Engineering, Monash University, Clayton, VIC 3800, Australia
6. School of Geographic Information and Tourism, Chuzhou University, Chuzhou 239000, China
7. Yanchi Research Station, School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China