Mapping debris flow hazard zone at mudan reservoir watershed in Taiwan

摘要

A total of six DDFHZ (Designated Debris Flow Hazard Zone) have been identified at Mudan reservoir watershed, after (he local legal and technical features of DDFHZ were reviewed. The nine items incorporated into the DDFHZ were risky river, yellow watch part, red watch part, catastrophic area, transit area, deposit area, vertex of debris flow delta, the farmost end of debris flow, and debris flow hazard watershed. Mapping the DDFHZ was also demonstrated and illustrated.