Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
권호 표지

Characteristics of NPS Pollutants and Treatment of Stormwater Runoff in Paved Area during a Storm

강우시 포장지역의 비점오염물질 유출 및 저감특성

  • 손현근 (국립환경과학원 한강물환경연구소 환경기초조사팀) ;
  • 이소영 (공주대학교 건설환경공학부) ;
  • ;
  • 김이형 (공주대학교 건설환경공학부)
  • Received : 2009.06.07
  • Accepted : 2009.08.20
  • Published : 2009.08.31
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Abstract

The increase of pollutant loadings from nonpoint sources affect the water quality of the major rivers in Korea. Consequently, the need for managing the nonpoint source (NPS) pollution becomes the main concern of the Korean Ministry of Environment (MOE). Recently, the policy was changed from pollutant concentration-restricting approach to the total maximum daily load (TMDL) approach to improve the water quality and protect the aquatic ecosystem. Part of the program is the construction of Best Management Practice (BMP) pilot facilities basically to control NPS. Most of the BMPs adopted were foreign technologies which could not be properly employed in the country due to some limitations such as climate, watershed characteristics, etc. In other words, to be able to apply the BMPs, research on its applicability is necessary. In this study, a three-year monitoring has been conducted to assess the treatment performance of the BMP installed in highway toll plaza and parking lot. The data gathered aid in the characterization of NPS pollutants in runoff and estimation of the pollutant removal efficiency of the BMP. The results will be used for the future implementation of BMP in different land uses as well as for the determination of optimum operation and maintenance.

비점오염원에 의한 4대강의 오염부하증가율이 점점 증가하고 있어 비점오염원 관리의 필요성이 증대되고 있다. 따라서 환경부는 수질오염총량관리제를 도입하여 수생태계 입장에서 수질개선 정책을 펼치고 있으며, 한강 수계를 비롯한 4대강 유역에 비점저감시설을 설치하여 시범사업을 실시하고 있다. 그러나 현재 적용되어 운영되고 있는 비점오염저감시설은 대부분 외국의 기술을 그대로 이용한 것으로 처리성능 및 효율의 불확실성과 기후 및 유역특성을 반영하고 있지 않는 등 많은 문제점을 안고 있다. 따라서 본 연구는 고속도로내 톨게이트와 주차 장지점에 비점오염저감시설을 설치하여 2~3년 동안 운전하였으며, 비점오염물질의 유출특성과 저감시설의 오염 물질별 제거형태를 파악하였다. 이러한 결과는 비점오염물질 관리를 위한 토지이용별 비점저감시설의 적용, 운영 및 유지관리에 활용될 수 있을 것으로 기대된다.

Keywords

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