Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Development and Application of the Grid-Distributed Model for Contribution Rate Analysis on Non-point Source Pollution According to Landuse

토지피복별 비점부하량 기여율 해석을 위한 분포형 모델 개발 및 적용

  • Ahn, Jung-Min (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Jung, Kang-Young (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Kim, Shin (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Lee, Hae-Jin (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Shin, Suk-Ho (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Yang, Duk-Seok (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Shin, Dongseok (Nakdong River Environment Research Center, National Institute of Environmental Research) ;
  • Na, Seung-Min (Nakdong River Environment Research Center, National Institute of Environmental Research)
  • 안정민 (국립환경과학원 낙동강물환경연구소) ;
  • 정강영 (국립환경과학원 낙동강물환경연구소) ;
  • 김신 (국립환경과학원 낙동강물환경연구소) ;
  • 이혜진 (국립환경과학원 낙동강물환경연구소) ;
  • 신석호 (국립환경과학원 낙동강물환경연구소) ;
  • 양득석 (국립환경과학원 낙동강물환경연구소) ;
  • 신동석 (국립환경과학원 낙동강물환경연구소) ;
  • 나승민 (국립환경과학원 낙동강물환경연구소)
  • Received : 2016.08.08
  • Accepted : 2017.01.19
  • Published : 2017.01.30
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Abstract

Water quality monitoring network data is being affected continuously due to non-point source pollution arising from agricultural land located on the Gwangsancheon outlet in the Nakdong River basin. In this study, we have performed analysis of water quality monitoring system, water quality pattern using SOM and water quality in the Gwangsancheon for sub-basin located at Gisan-myeon in the Nakdong River basin. We have developed and applied the model to estimate the runoff and non-point source loading. As a result of SOM pattern, the effect of non-point source pollution was the largest in the paddy fields and fields. As a result of the developed model, we found contribution rate and reduction rate for non-point source loading according to change of landuse because the reduction effect of nonpoint pollutants was 20.9% of SS, 9.9% of TN, 21.2% of TP and 8.9% of TOC depending on the landuse change.

Keywords

References

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