Debris flow is very serious to the calamity of Taiwan.However, the geomorphology and hydraulic factors of debris flows are collected through relevant technology such as GIS, DEM and SPOT ...etc.

• 摘要土石流对台湾灾害非常严重，然而，土石流的水文和地文因子收集有赖于地理资讯系统(GIS)、数值高程模型(DEM)与卫星感探测(SPOT)等相关技术取得。