한국습지학회지 (Journal of Wetlands Research)

  • 제16권4호
  • /
  • Pages.413-422
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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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농촌의 비닐하우스 재배지역에서 배출되는 강우유출수의 특성

Characteristics of Stormwater Runoff discharged from vinyl greenhouse growing area in farming area

  • 전제찬 (경북대학교 환경공학과) ;
  • 이상협 (경북대학교 환경공학과) ;
  • 권구호 (경북대학교 환경공학과) ;
  • 이재운 (국립환경과학원 낙동강 물환경연구소) ;
  • 권헌각 (국립환경과학원 낙동강 물환경연구소) ;
  • 민경석 (경북대학교 환경공학과)
  • Jeon, Je Chan (Department of Environmental Engineering, Kyungpook National University) ;
  • Lee, Sang Hyeub (Department of Environmental Engineering, Kyungpook National University) ;
  • Kwon, Koo Ho (Department of Environmental Engineering, Kyungpook National University) ;
  • Lee, Jea Woon (Nakdongriver Environment Research Center) ;
  • Kwon, Heun Gag (Nakdongriver Environment Research Center) ;
  • Min, Kyung Sok (Department of Environmental Engineering, Kyungpook National University)
  • 투고 : 2014.07.31
  • 심사 : 2014.09.22
  • 발행 : 2014.11.30
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초록

국내의 수질정책은 하천으로 방류되는 방류수의 농도를 규제하는 방식에서 총량을 규제하는 방식으로 바뀌었다. 또한 수질오염총량관리제가 실시되어 각 수계의 구역별로 목표 수질이 정해지게 되었다. 수질오염총량관리제가 성공적으로 이행되기 위해서는 점오염원 및 비점오염원으로부터 배출되는 오염물질의 부하량을 정확하게 파악해야 한다. 이에 본 연구는 농촌의 밭지역을 대상으로 27회의 강우유출수 모니터링을 실시하였으며, 모니터링 결과를 활용하여 밭지역으로부터 배출되는 오염물질의 부하량 및 원단위 등을 산정하였다. 그 결과, 유기물질인 BOD 및 $COD_{Mn}$의 경우 오염물질의 평균 유출농도는 10.5mg/L와 19.6mg/L로 나타났으며, 영양염류인 TN과 TP는 4.5mg/L 및 2.4mg/L로 분석되었다. 한편, 국립환경과학원에서 제시한 원단위 산정 공식에 의해 산정된 원단위는 BOD $31.8kg/km^2/yr$, $COD_{Mn}$ $56.7kg/km^2/yr$, TOC $8.5kg/km^2/yr$, TSS $560.9kg/km^2/yr$, TN과 TP는 각각 $8.3kg/km^2/yr$ 및 $5.1kg/km^2/yr$로 산정되었다. 이러한 모니터링 결과는 연구자마다 그 결과 값에 차이가 있는 것으로 밝혀졌으며, 이에 정확한 원단위 산정을 위해서는 장기적인 모니터링이 이루어져야 할 것으로 판단된다.

In national water quality policy, it changed previous regulation method that focuses on concentration of pollutants in effluent water to the way that regulates total amount of pollutants. The target of water quality in watershed of each river was set up, as the government instituted Total Maximum Daily Loads(TMDL). In order to accomplish successfully TMDL, it requires that the amount of pollutant loads discharged from point and nonpoint pollutant source should be investigated. This study, therefore, conducted the monitoring of the stormwater runoff at field region in farming area. And pollutants loads and unit loads discharged from field region results is calculated. As a result, the concentration of pollutants were calculated as follows: 10.5 BOD mg/L, 19.6 $COD_{Mn}$ mg/L, 4.5 TN mg/L and 2.4 TP mg/L. The unit load of BOD, $COD_{Mn}$, TOC, TSS, TN and TP discharged from field region, also, were determined to $31.8kg/km^2/yr$, $56.7kg/km^2/yr$, $8.5kg/km^2/yr$, $560.9kg/km^2/yr$, $8.3kg/km^2/yr$ and $5.1kg/km^2/yr$, respectively. It was identified that there were some differences of unit loads between the results obtained from this study and previous one. To calculate exact unit loads, therefore, long term monitoring should be conducted.

키워드

참고문헌

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