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지류 중소하천의 물관리 탄력성 평가지수 개발 및 평가

박정은;이을래;임광섭
Park, Jung Eun;Lee, Eul Rae;Lim, Kwang Suop

  • 투고 : 2015.10.28
  • 심사 : 2015.12.03
  • 발행 : 2016.02.29

초록

지류 중소하천의 미래 물관리 정책방향을 수립하기 위한 자료로, 물관리 탄력성 지수를 개발하고 이를 117개 중권역에 적용하였다. 물관리 탄력성 지수는 취약성, 견고성, 다양성의 부지수로 구성하였으며, 각 부지수는 다시 이수, 치수, 하천환경 분야의 지표들로 총 31개의 지표항목으로 구성하였다. 중권역은 다목적댐 하류 본류유역(범주 1), 용수공급 및 유량조절이 불가능한 지류(범주 2)와 가능한 지류(범주 3)로 분류하여 적용한 결과, 지류 중소하천에서의 물관리 탄력성, 특히 이수 및 치수분야의 다양성이 본류에 비해 낮은 것으로 나타났다. 또한 취약성과 견고성에 있어서는 본류와 지류가 큰 차이를 보이지 않았으나 다양성에서 지류가 낮은 값을 나타내었다. 따라서 지류 중소하천의 다양성을 높이는 방향으로 물관리 정책의 수립이 필요하다. 본 연구에서 개발된 물관리 탄력성 지수는 내외부 충격에 대한 안정성을 종합적으로 제시하여 수자원 정책 및 계획의 우선지역 선정 등에 활용할 수 있을 것이다.

키워드

탄력성 지수;취약성;견고성;다양성;물관리

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과제정보

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