Journal of Korea Water Resources Association (한국수자원학회논문집)

Korea Water Resources Association (한국수자원학회)
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Development of vulnerable period assessment method for efficient groundwater resources management in upstream of Nakdong river basin using entropy method

엔트로피 방법을 이용한 낙동강 상류 지역의 지하수자원 관리 취약시기 평가 방법 개발

  • Kim, Il Hwan (School of Civil and Environmental Engineering, Kookmin University) ;
  • Lee, Jae-Beom (School of Civil and Environmental Engineering, Kookmin University) ;
  • Yang, Jeong-Seok (School of Civil and Environmental Engineering, Kookmin University)
  • 김일환 (국민대학교 건설시스템공학부) ;
  • 이재범 (국민대학교 건설시스템공학부) ;
  • 양정석 (국민대학교 건설시스템공학부)
  • Received : 2018.06.01
  • Accepted : 2018.07.21
  • Published : 2018.09.30
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Abstract

Groundwater resources are becoming depleted due to climate change factors and non climate change factors. In order to effectively groundwater resources management, we developed a method for evaluating vulnerable periods of groundwater resource management in watershed areas. The watershed based vulnerability assessment was conducted independently of the evaluation of vulnerable areas and vulnerable periods for sub watersheds. The vulnerable area evaluation index was standardized and applied to the independent vulnerable period index each region. It was applied to Bonghwa-gun, Andong-si, Yecheon-gun, Mungyeong-si and Sangju-si in the upstream of the Nakdong river basin. As a result, the Sangju-si's August was the most vulnerable at 0.278, and Andong-si was assessed to be vulnerable to groundwater resource management during 8 months of the year in study area. Using the developed method, we can find efficient management method considering the time and regional of groundwater resources.

기후변화와 기후변화 외적인 요인으로 인해 지하수자원은 고갈되어가고 있다. 지하수자원의 효율적인 관리를 위해 유역 단위의 지하수자원 관리 취약시기 평가 방법을 개발하였다. 유역 단위의 취약시기 평가는 취약 지역 평가와 소유역에 대한 취약시기 평가를 독립적으로 진행하여 각각의 지수를 산정하였다. 취약 지역 평가 지수를 표준화하여 독립적으로 진행한 취약시기 평가 지수에 적용하여 유역 단위의 취약시기 평가 방법을 개발하였으며, 개발한 방법을 낙동강 상류 지역인 봉화군, 안동시, 예천군, 문경시, 상주시에 적용하였다. 그 결과 상주의 8월이 0.278로 가장 취약한 것으로 나타났으며, 안동시는 1년 중 8개월간 5개 지역 중 지하수자원 관리에 취약한 것으로 나타났다. 개발된 방법을 이용하여 지하수자원의 시공간을 고려한 효율적인 관리방안을 모색할 수 있을 것이다.

Keywords

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