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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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The objective of this paper was to quantitatively analyze the effect of concentrated animal feeding operations (CAFO) NPS pollution on a small watershedwater quality. Monitoring was conducted from March to October, 2013. Monthly flow rate and selected water quality at each monitoring site weremeasured during dry days. Rainy day monitoring also was conducted. Modeling was conducted to evaluate the effect of CAFO NPS pollution on the waterquality at the watershed outlet. The highest and mean concentration of selected water quality indices during rainy days were higher than those in dry daysin general. The highest TN concentration measured at the CAFP pollution discharge point was 237.831 mg/L. The results revealed that the CAFO NPSpollution sources could be equally blamed for the water quality degradation of the stream. However, the effect of the NPS pollution from CAFOs seemednot to be very influential to the watershed water quality at the outlet. SWAT modeling revealed that the TN load was reduced by 18.95 %, 23.39 % and30.53 % at the watershed outlet if the TN load at the CAFO NPS pollution discharge point reduced by 20 %, 40 % and 60 %, respectively. It was thoughtthat the natural attenuation processes played an important role. The modeling was based only on the assumption of the load reduction and not verified bythe monitored data. Therefore, it was suggested that a long term monitoring studies for the evaluation of the impact of CAFO NPS pollution on thewatershed water quality be conducted.
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참고문헌 (25)
참고문헌 신청
/ / National Spatial Information Clearinghouse
APHA / 1995 / Standard Methods for the Examination of Water and Wastewater : 5,12 ~ 5,16
Abbaspour, K. C. / 2007 / User Manual for SWAT-CUP. SWAT Calibration and Uncertainty Analysis Program / Swiss federal Institute of Aquatic Science and Technology : 1 ~ 33
Arnold, J. G. / 1992 / Spatial scale variability in model development and parameterization / 박사 / Purdue University
Arnold, J. G. / 1994 / Integration of a BASIN-SCALE Water Quality Model with GIS. Water
APHA / 1995 / Standard Methods for the Examination of Water and Wastewater : 5,12 ~ 5,16
Abbaspour, K. C. / 2007 / User Manual for SWAT-CUP. SWAT Calibration and Uncertainty Analysis Program / Swiss federal Institute of Aquatic Science and Technology : 1 ~ 33
Arnold, J. G. / 1992 / Spatial scale variability in model development and parameterization / 박사 / Purdue University
Arnold, J. G. / 1994 / Integration of a BASIN-SCALE Water Quality Model with GIS. Water
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