Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Development of Nonpoint Sources Runoff Load Estimation Model Equations for the Vineyard Area

포도밭에 대한 비점오염물질 유출량 추정 모델식 개발

  • Yoon, Young-Sam (Nakdong River Water Environment Research Center, National Institute of Environmental Research) ;
  • Kwon, Hun-Gak (Nakdong River Water Environment Research Center, National Institute of Environmental Research) ;
  • Yi, Youn-Jung (Nakdong River Water Environment Research Center, National Institute of Environmental Research) ;
  • Yu, Jay-Jung (Nakdong River Water Environment Research Center, National Institute of Environmental Research) ;
  • Lee, Jae-Kwan (Nakdong River Water Environment Research Center, National Institute of Environmental Research)
  • 윤영삼 (국립환경과학원 낙동강물환경연구소) ;
  • 권헌각 (국립환경과학원 낙동강물환경연구소) ;
  • 이윤정 (국립환경과학원 낙동강물환경연구소) ;
  • 유재정 (국립환경과학원 낙동강물환경연구소) ;
  • 이재관 (국립환경과학원 낙동강물환경연구소)
  • Received : 2010.04.30
  • Accepted : 2010.06.22
  • Published : 2010.07.31
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Abstract

Agriculture nonpoint pollution source is a significant contributor to water quality degradation. To establish effective water quality control policy, environpolitics establishment person must be able to estimate nonpoint source loads to lakes and streams. To meet this need for orchard area, we investigated a real rainfall runoff phenomena about it. We developed nonpoint source runoff estimation models for vineyard area that has lots of fertilizer, compost specially between agricultural areas. Data used in nonpoint source estimation model gained from real measuring runoff loads and it surveyed for two years(2008-2009 year) about vineyard. Nonpoint source runoff loads estimation models were composed of using independent variables(rainfall, storm duration time(SDT), antecedent dry weather period(ADWP), total runoff depth(TRD), average storm intensity(ASI), average runoff intensity(ARI)). Rainfall, total runoff depth and average runoff intensity among six independent variables were specially high related to nonpoint source runoff loads such as BOD, COD, TN, TP, TOC and SS. The best regression model to predict nonpoint source runoff load was Model 6 and regression factor of all water quality items except for was $R^2=0.85$.

Keywords

References

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