1. Department of Disaster Prevention Meteorology and Hydrology, Forestry and Forest Products Research Institute Tsukuba Ibaraki Japan
2. Department of Earth and Environment Boston University Boston Massachusetts USA
3. Faculty of Agriculture University of Miyazaki Miyazaki Miyazaki Japan
4. Institute of Surface‐Earth System Science School of Earth System Science, Tianjin University Tianjin China
5. Storm, Flood and Landslide Research Division National Research Institute for Earth Science and Disaster Resilience Tsukuba Ibaraki Japan
6. Departments of Geography and Plant & Soil Sciences University of Delaware Newark Delaware USA