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Quantification of Baseflow Contribution to Nutrient Export from a Agricultural Watershed

기저유출이 농업유역의 영양염류 유출에 미치는 영향 정량화

  • Kim, Geonha (Civil & Environmental Engineering, Hannam University) ;
  • Yoon, Jaeyong (Department of Environmental Systems Engineering, Korea University) ;
  • Park, Kijung (Department of Environmental Systems Engineering, Korea University) ;
  • Baek, Jongrak (Department of Environmental Systems Engineering, Korea University) ;
  • Kim, Youngjoon (Civil & Environmental Engineering, Hannam University)
  • 김건하 (한남대학교 건설시스템공학과) ;
  • 윤재영 (고려대학교 환경시스템공학과) ;
  • 박기정 (고려대학교 환경시스템공학과) ;
  • 백종락 (고려대학교 환경시스템공학과) ;
  • 김영준 (한남대학교 건설시스템공학과)
  • Received : 2015.04.14
  • Accepted : 2015.06.15
  • Published : 2015.06.15

Abstract

Baswflow is defined as short term discharge through groundwater caused by rainfall events. Impacts of baseflow is significant on water quality especially where pervious agricultural watershed as groundwater is more vulnerable to the contamination. In this study, the Cheongmicheon watershed was subjected to study to assess the impacts of baseflow on surface water quality, where more than 90% of pollutant load is originated from the livestock raising area, and very high probability of surface water contamination due to the baseflow. To estimate nutrient loading cased by baseflow, NI (Numerical Integration) model and LOADEST (LOADing ESTimation) model were used.

Keywords

References

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