Journal of the Korean Association of Geographic Information Studies (한국지리정보학회지)

The Korean Association of Geographic Information Studies (한국지리정보학회)
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An Approach to Drought Vulnerability Assessment using TOPSIS Method

TOPSIS을 적용한 가뭄취약성 평가 방법에 관한 연구

  • 이창우 (이엔지소프트) ;
  • 신형진 (한국농어촌공사 농어촌연구원) ;
  • 권민성 (환경부 영산강홍수통제소) ;
  • 이규민 (성균관대학교 건설환경연구소) ;
  • 남상혁 (이엔지소프트) ;
  • 강문성 (한국농어촌공사 농어촌연구원)
  • Received : 2019.11.11
  • Accepted : 2019.12.19
  • Published : 2019.12.31
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Abstract

This study aims to establish and apply a drought vulnerability assessment plan including various factors related to drought. The evaluation technique consisted of three stages: evaluation factor and weight selection, evaluation data database construction, evaluation data and weight combination, and Delphi investigation method was applied to evaluation factor and weight selection. As the evaluation method, the TOPSIS method, which is a widely used MCDM method, was used. The results of the drought vulnerability assessment were applied to the administrative districts of Sigun-gu, Korea from March 2016 to September 2019. As a result of the evaluation, drought vulnerable areas were identified in Chungcheongbuk-do, Gyeongsangnam-do, and Jeollanam-do, and it was analyzed that it is necessary to establish drought response plans for these areas.

본 연구에서는 가뭄과 연관되는 다양한 관련 요인을 포함한 가뭄취약성 평가방안을 수립하고 이를 적용하는 것을 목표로 하였다. 평가기법은 평가인자와 가중치 선정, 평가자료 데이터베이스 구축, 평가자료와 가중치를 조합한 평가의 세 단계로 구성되었으며 평가인자 및 가중치 선정에는 Delphi 조사기법을 적용하고 평가기법으로는 최근 널리 적용되고 있는 MCDM(Multi-Criteria Decision Making) 방법인 TOPSIS(Technique for Order of Preference by Similarity to Ideal Solution) 기법을 활용하였다. 수립한 가뭄취약성 평가방안을 2016년 3월부터 2019년 9월까지 우리나라 시군구 행정구역을 대상으로 적용하여 결과를 제시하였다. 평가 결과, 충청북도, 경상남도, 전라남도에 가뭄 취약지역이 다수 도출 되어 이들 지역에 대한 가뭄 대응 방안 수립이 필요한 것으로 분석되었다.

Keywords

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