The relationship between debris flow and topographical factors is essential for the reliable estimation of soil loss. The objective of this paper is to estimate stability index and soil loss for assessing landsliding risk caused by debris flow. SIMAP and RUSLE are used to estimate stability index and soil loss, respectively. The landsliding risk area estimated by using SIMAP is found to be different from the large land area estimated by RUSLE. It is found that the spatial distribution of soil cover significantly influences landsliding risk area. Results also indicate that stability index and soil loss, estimated by soil cover factor, improve the assessment of landsliding risk.

Abstract
 1. 서 론
 2. 재료 및 방법
  2.1. 무한사면안정 모델
  2.2. RUSLE 방법
 3. 결과 및 고찰
  3.1. 적용유역 및 분석개요
  3.2. 분석결과
 4. 결 론
 참 고 문 헌

• 장인수(한국교통대학교 환경공학과) | In-Soo Chang (Department of Environmental Engineering, Korea National University of Transportation)
• 박은영(실용수자원연구소) | Eun-Young Park (Applied Water Resources Research Center)
• 박기범(실용수자원연구소) | Ki-Bum Park (Applied Water Resources Research Center) Corresponding author
• 김성원(동양대학교 철도토목학과) | Sungwon Kim (Department of Railroad and Civil Engineering, Dongyang University)