한국습지학회지 (Journal of Wetlands Research)

  • 제16권1호
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  • Pages.153-160
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  • 2014
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  • 1229-6031(pISSN)
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  • 2384-0056(eISSN)
한국습지학회 (Korean Wetlands Society)
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물환경에서의 유기물질 지표 특성 및 효율적 이용방안 -낙동강수계 호소수를 대상으로-

Characteristics and Effective Usage of Organic Indexes in Water Environments -Lakes in Nakdong River Basin-

  • 강미아 (국립안동대학교 환경공학과)
  • Kang, Meea (Department of Environmental Engineering, Andong National University)
  • 투고 : 2013.11.05
  • 심사 : 2013.12.31
  • 발행 : 2014.02.28
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초록

호소의 유기물질 오염도를 정확하게 파악하고, 호소내 수질관리를 개선하기위해 총유기탄소(TOC) 환경기준이 설정되었다. 낙동강수계에 위치하고 있는 상수원수로 이용되는 4개 호소의 화학적산소요구량(COD)과 TOC의 상관성은 $R^2$=0.639로 매우 유의한 결과로 나타났다. 농업용수 2개 호소와 늪 1개소의 자료를 모두 이용한 COD와 TOC의 상관성은 $R^2$=0.774로 더 높아졌으나 이것은 검출된 농도범위의 증가에 의한 것으로 보인다. TOC에 의해 요구되는 COD의 수준에 관계없이 탄소산화율은 평균 62%에 해당하였으며, 호소에 따른 현저한 차이는 보이지 않았다($62{\pm}8%$). 이것은 연구대상으로 한 호소의 유기물질 성상이 유사함을 나타낸다. TOC 자료가 충분히 구축될 때까지 COD 자료를 현명하게 활용하여야 하고, 이를 위해서는 호소에 영향을 미치는 유역의 특성과 호소의 이용측면을 고려하여 호소의 유기물질 수준을 평가할 필요가 있다.

TOC environmental standard was established to understand the pollution level accurately and to improve the water quality. It was found that the relationship between COD and TOC showed a significant coefficient($R^2$=0.639) in four lakes for drinking water located in Nakdong River basin. The relationship between COD and TOC($R^2$=0.774) was higher with respect to the elevated concentration level when the data was added. Resulting in the oxidation(C) was $62{\pm}8%$ regardless of COD concentrations. It was difficult to find a significant difference by lakes. The result showed the similar organic property in study lakes. It was necessary to evaluate the level of organic matters in consideration of characteristics and utilization of lakes to use COD data wisely until TOC data be accumulated sufficiently.

키워드

참고문헌

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