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Loading Characteristics of Non-Point Source Pollutants by Rainfall - Case Study with Sweet Potato Plot -  

Kang, Mee-A (Department of Environmental Engineering, Andong National University)
Jo, Soo-Hyun (Department of Environmental Engineering, Andong National University)
Choi, Byoung-Woo (Department of Environmental Engineering, Andong National University)
Yoon, Young-Sam (National Institute of Environmental Research, Nakdong River Environment Research Center)
Lee, Jae-Kwan (National Institute of Environmental Research, Nakdong River Environment Research Center)
Publication Information
The Journal of Engineering Geology / v.19, no.3, 2009 , pp. 365-371 More about this Journal
Abstract
This paper address the characteristics of loading pollutants caused by the unit agricultural area to establish an efficient management method in NPS (non-point source). The relationship between rainfall and runoff shows good coefficient with 0.92, when the event which shows relatively long antecedent dry days is excepted. The impact of runoff volume on the runoff coefficient can be described by the rainfall intensity strongly. The pollutant EMCs (event mean concentrations) in runoff increased by the increase of antecedent dry days due to dry soil conditions. As the similar pattern of pollutant's loads such as TSS, BOD, COD, TN and TP, it is cleared that other pollutants can be removed when TSS is removed. Therefore the system using only runoff coefficients is not sufficient for the prediction of pollutant loads. It is necessary to consider soil conditions such as rainfall, antecedent dry day, antecedent rainfall etc. for the prediction system.
Keywords
NPS(Non-point source); rainfall; runoff; antecedent dry day; pollutant load;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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1 Sharpley, A. N., McDowell, R. W., and Kleinman, P. J. A., 2001, Phosphorous loss from land to water:intergrating agricultural and environmental management, Plant Soil, 237, 287-307   DOI   ScienceOn
2 이치타오, 허진규, 김영철, 2008, 농촌지역에서 유출시간에 따른 비점오염물질의 유출평가, 24(6), 773-783
3 김진호, 한국헌, 이종식, 2008, 농촌유역의 강우사상별 농업 비점원오염물질 유출특성, 한국물환경학회지, 24(1), 69-77
4 Mahdi Gheysari, Seyed Majid Mirlatifi, Mehdi Homaee, Mohammad Esmaeil Asadi, Gerrit Hoogenboom, 2009, Nitrate leaching in a silage maize field under different irrigation and nitrogen fertilizer rates, Agricultural Water Management, 96, 946-954   DOI   ScienceOn
5 국립환경과학원, 1997, 하천.호수의 수질보전과 유역관리에 관한 한.일 공동세미나
6 Dabrowski, J. M., Murray, K., Ashton, P. J., and Leaner, J. J., 2009, Agricultural impacts on water quality and implications for virtual water trading decisions, Ecological Economics, 68, 1074-1082   DOI   ScienceOn
7 Meea Kang, Soo-Hyun Jo, Byoung-Woo Choi, Jae-Kwan Lee, 2009, Nitrate management from non-point source (Case study : Sweet potato plot), Conference on World City Water Forum 2009, 223
8 Qadir, M., Boers, T.M., Schubert, S., Ghafoor, A., and Murtaza, G., 2003, Agricultural water management in water-starved countries:challenges and opportunities, Agricultural Water Management, 62, 165-185   DOI   ScienceOn