Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Analysis of Nonpoint Source Pollutants in Urban Stormwater Runoff

강우시 도시지역 비점오염물질의 하천 유입 산정

  • Son, Younggyu (Department of Environmental Engineering, Kumoh National Institute of Technology)
  • 손영규 (국립금오공과대학교 환경공학과)
  • Received : 2016.01.06
  • Accepted : 2016.02.05
  • Published : 2016.02.29
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Abstract

Non-point source control has been issued and intensively studied for the control of water quality in streams and rivers. In this study, non-point source pollutants monitoring was conducted at the end of five small streams which were connected to a main stream in three stages including Phase I (one hr before the rainfall), Phase II (one hr after the rainfall), and Phase III (six hrs after the rainfall). For all five small streams, the concentrations and loading rates of non-point source pollutants significantly increased due to the rainfall. As a result of this, priority control streams and priority pollutants were suggested to prepare for future plans of the non-point source control.

최근 보다 높은 수준의 하천 수질 관리를 위해 비점오염물질 관리와 관련된 연구 및 사업이 지속적으로 수행되고 있다. 본 연구에서는 대규모 도시를 통과하는 도시하천의 수질관리방안 마련을 목적으로 본류와 연계된 5개 지천에 대한 강우시 비점오염물질 유출특성 분석을 수행하였다. 모니터링은 강우 전(Phase I), 강우 1시간 이후(Phase II), 강우 6시간 이후(Phase III)의 3단계로 수행되었으며, BOD, COD, TN, TP, SS 등의 수질항목과 유량이 측정되었다. 강우 시 5개 지천 모두에서 비점오염물질의 농도 및 유입부하량 증가가 확인되었으며, 상대적으로 우선 관리 대상 지천과 지천별 우선 관리 비점오염물질이 선정되었다. 해당 연구결과는 향후 도심지역 비점오염물질 모니터링 방안 및 점감시설 설치 등을 위한 기초 자료로 활용될 예정이다.

Keywords

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