Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Valuation of Ecosystem Water Quality Regulation Service Using TMDL

수질오염총량을 이용한 생태계 수질조절 서비스 가치 평가

  • Lee, Chang Hee (Department of Renewable Energy Resources, Jungwon University) ;
  • Park, Kyung Ok (Water Environment Research Department, National Institute of Environmental Research)
  • 이창희 (중원대학교 신재생에너지자원학과) ;
  • 박경옥 (국립환경과학원 물환경연구부 유역총량연구과)
  • Received : 2017.04.19
  • Accepted : 2017.05.12
  • Published : 2017.05.31
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Abstract

In this study, we developed a method to assess quantitatively the amount and the economic value of water quality regulating service of ecosystem services. Numbers of species and aquatic organisms such as fish increased because of the improved water, but it was due to complex factors such as water quality regulation services of ecosystems, installation of environmental facilities for water quality treatment, and water quality regulation. Therefore we sought ways to quantitatively estimate the value of ecosystem regulation services. In this study, we propose a method to estimate the quantitative value of water quality regulation service of ecosystem by utilizing the total amount of water pollution. In addition, the economic value evaluation method was proposed by multiplying the estimated the quantitative value of water quality regulation service of ecosystem by the unit cost per unit capacity. Finally, the ecosystem water quality regulation service was estimated by using the evaluation method for BOD and T-P in Nakdong river watershed.

본 연구에서는 생태계서비스 중 수질조절 서비스 가치 평가를 수행하기 위해 생태계서비스 수질조절 서비스의 물리량을 정량적으로 평가하였고 이를 이용하여 경제적 가치를 평가하는 방안을 마련하였다. 과거에 비해 수질이 개선되고, 어류 등 수생생물의 종과 수가 늘었더라도, 그 요인은 생태계의 수질조절 서비스와 수질개선를 위한 환경기초시설의 확충, 수질환경규제 등 복합적인 요인에 기인된다. 그 중 생태계 조절서비스 가치에 대해 정량적으로 산정할 수 있는 방법을 모색하는 것을 연구의 목적으로 설정하였다. 본 연구에서 생태계의 수질조절 서비스를 정량적 가치를 규명하기 위해 수질오염총량을 활용하는 방법에 대해 제안하였다. 이와 함께 생태계의 수질조절 서비스의 산정된 물리적 수질조절량에 처리단가를 곱함으로써 경제적 가치 평가 방안을 제시하였다. 마지막으로 개발된 평가기법을 이용하여 낙동강 수계에 BOD, T-P 항목에 대해서 생태계 수질가치를 평가하였다.

Keywords

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