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Determination of EMC and Unit Loading of Rainfall Runoff from Forestry-Crops Field  

Won, Chul-hee (Institute of Environmental Research, Kangwon National University)
Choi, Yong-hun (Department of Agricultural Engineering, Kangwon National University)
Seo, Ji-yeon (Department of Agricultural Engineering, Kangwon National University)
Kim, Ki-cheol (Department of Agricultural Engineering, Kangwon National University)
Shin, Min-hwan (Geum River Environment Research Center)
Choi, Joong-dae (Department of Agricultural Engineering, Kangwon National University)
Publication Information
Journal of Korean Society on Water Environment / v.25, no.4, 2009 , pp. 615-623 More about this Journal
Abstract
The research of the determination of event mean concentration (EMC) was focussed combined sewer overflows and highway runoff in korea. But those of non-urban areas are few. In this study, EMC and unit loading on land use types in Nogok watershed were estimated by runoff loading of non-point source (NPS) on non-urban area. Two monitoring sites were equipped with an automatic velocity meter, flow meter, and water sampler. Monitoring was conducted at two monitering site during the rainy season. The results show that the EMC ranges in forest land use are 1.3~2.6 mg/L for BOD, 2.0~16.1 mg/L for SS, 0.1~2.1 mg/L for TN, and 0.12~0.49 mg/L for TP. The unit loading of NPS in this study was difficult to compare directly with that used conventionally because of the difference of field investigation. In near future, it needs to conduct more systematic and long-term research about NPS within the watershed. The results of this research can be used to estimate the total pollution load management system (TPLMS) program in korea.
Keywords
EMC; Landuse; NPS; Runoff coefficient; Unit loading;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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