1. National Cheng Kung University, Global Earth Observation and Data Analysis Centre, No. 1, Ta-Hsueh Road, Tainan 701, TaiwanbNational Cheng Kung University, Department of Earth Sciences, No. 1, Ta-Hsueh Road, Tainan 701, Taiwan
2. National Cheng Kung University, Global Earth Observation and Data Analysis Centre, No. 1, Ta-Hsueh Road, Tainan 701, Taiwan
3. Debris Flow Disaster Prevention Center, Soil and Water Conservation Bureau, Council of Agriculture, Nantou, 54044, Taiwan