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사방댐 대상지 선정 기준마련을 위한 AHP 분석기법의 적용

The Application of the AHP Analysis Method to Prepare the Selection Standards for the Target Site of Check Dams

  • 배현석 (사방협회 연구조사처) ;
  • 이광연 (사방협회 연구조사처) ;
  • 최영진 (사방협회 연구조사처) ;
  • 이진호 (사방협회 연구조사처) ;
  • 우충식 (국립산림과학원 산림방재연구과) ;
  • 전근우 (강원대학교 산림자원학과)
  • Bea, Hyun-Seok (Division of Research and Survey, Korean Association of Soil and Water Conservation) ;
  • Lee, Kwang-Youn (Division of Research and Survey, Korean Association of Soil and Water Conservation) ;
  • Choi, Young-Jin (Division of Research and Survey, Korean Association of Soil and Water Conservation) ;
  • Lee, Jin-Ho (Division of Research and Survey, Korean Association of Soil and Water Conservation) ;
  • Woo, Choong-Shik (Division of Forest Disaster Management, National Institute of Forest Science) ;
  • Chun, Kun-Woo (Department of Forest Resources, Kangwon National University)
  • 투고 : 2020.09.15
  • 심사 : 2020.10.19
  • 발행 : 2020.12.31

초록

이 연구는 AHP(Analytic Hierarchy Process) 분석기법을 활용하여 사방댐 대상지 선정과 관련된 인자의 중요도를 정량적으로 산정하고, 이를 시범 적용함으로써 사방댐 대상지 선정과 관련된 기초자료를 제시하고자 하였다. AHP 분석을 위해 평가항목 및 평가인자를 구분한 결과 평가항목은 3개(위험성, 취약성 및 시공성), 평가인자는 총 12개(위험성 10개, 취약성 및 시공성 각 1개), 평가기준은 평가인자별 2~6개로 선정되었다. 선정된 평가항목, 평가인자 및 평가기준별 중요도를 활용하여 평가기준별 상대적 중요도를 산출한 결과, 취약성 항목인 의료시설, 노유자시설, 교육시설 및 민가 등이 타 항목보다 높게 나타났다. 사방댐 타당성평가 적격 판정지역의 중요도를 강원도 내 사방댐 미설치유역 24,431개소에 적용한 결과, 사방댐 배치가 가능한 산림유역은 전체 산림유역의 35.2%에 해당하는 8,601개소로 나타났다.

By applying the Analytic Hierarchy Process(AHP) method, we calculated the weight of factors related to the selection of check dam sites and generated basic data related to the selection of the target site. As a result of the AHP classification, three evaluation items(Susceptibility, Vulnerability, and Constructability), 12 evaluation factors (Susceptibility 10, Vulnerability, and Constructability 1), and two-six evaluation criteria in each evaluation factor were selected. After calculating the relative importance by using the selected evaluation items, evaluation factors, and criteria, the vulnerability items such as medical facilities, facilities for the aged, educational facilities, and private homes were found to be higher than the other items. When the relative weight for deciding qualified sites was applied to the forest watersheds in the Gangwon region, 8,601 forest watersheds(35.2 % of the total forest watersheds) were found to be suitable for the installation of check dams.

키워드

참고문헌

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