• 제목/요약/키워드: Hwanggujicheon

검색결과 3건 처리시간 0.017초

SWMM을 이용한 황구지천유역의 비점원오염부하량 평가 (Estimation of Nonpoint Pollutant Loads in the Hwanggujichoen Basin using SWMM)

  • 조재현;조남홍
    • 환경영향평가
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    • 제12권5호
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    • pp.349-358
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    • 2003
  • Water pollution of Hwanggujicheon stream is severe because urban area of Suwon City is included in the basin. A countermeasure for water quality prevention of the stream is necessary. In this study, nonpoint pollutant load of BOD, SS, TN and TP are estimated using SWMM. The result indicates that BOD, SS, TN and TP loads during 3 months from July to September are 67.0%, 60.8%, 54.7% and 74.5% of the annual total load, respectively. We can see that most of nonpoint pollutant loads are generated in the rainy season. Annual nonpoint pollutant loads of BOD, SS, TN and TP in the Hwanggujicheon stream are 342 ton, 1,500 ton, 480 ton and 12.6 ton, respectively.

최적화기법을 이용한 황구지천유역의 오염부하량 할당 (Waste Load Allocation of Hwanggujicheon Watershed Using Optimization Technique)

  • 조재현;정욱진;이종호
    • 상하수도학회지
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    • 제19권6호
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    • pp.728-737
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    • 2005
  • Water quality of the Hwanggujicheon is poor because of the rapid housing and development in the large area of the basin. Establishment of water quality management strategy, based on the pollution sources survey and pollutant loads estimation, has to be established for the preservation of the stream water quality of the region. In this study, waste load allocation model to achieve the water quality goal of the stream and the optimization of pollutant load reduction, was developed. Nonpoint pollutant loads calculated by runoff model in the previous study are utilized for pollutant loads estimation of the drainage areas in this study. From the application result of the allocation model, water quality goals of the Hwanggujicheon that can be achieved as a matter of fact are BOD 8 mg/L. To achieve these goals, 23% of effluent BOD loads have to be reduced in the basin.

하천 고수부와 제방 비탈면의 생태적 복원을 위한 표토의 집토와 부설 (The Stockpiling and Spreading of Topsoil for the Ecological Restoration of Floodplains and the Levee Slope of a Stream)

  • 한승완;김형준;채병구;김정구
    • Ecology and Resilient Infrastructure
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    • 제2권1호
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    • pp.99-104
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    • 2015
  • 다수의 매토종자를 함유하고 있는 표토는 중요한 생태복원 재료로서 많이 알려져 있으나, 이를 실제로 활용하는 구체적인 방법에 대한 자료는 부족한 실정이다. 본 연구에서 하천복원 재료로서 표토의 가치에 대해 재평가하였다. 또한 실제로 황구지천 하천환경정비사업에서 완경사 호안, 고수부 복원, 식재 등에 표토를 활용한 결과 생태적, 치수적, 경제적 및 시공적 측면에서 자연친화적 하천 복원에 매우 효과적이었다. 결론적으로 표토가 하천복원의 유용한 재료인 것을 확인하였다.