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The Estimating MFFn by SWMM in The Transportation Area
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 Title & Authors
The Estimating MFFn by SWMM in The Transportation Area
Kwon, Hun-Gak; Lee, Jae-Woon; Yi, Youn-Jeong; Shin, Suk-Ho; Lee, Chun-Sik; Lee, Jae-Kwan;
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The MFFn(Mass First Flush) was analyzed for various rainy events(monitoring data from 2008 to 2009) in Transportation area(Highway, National road, Trunk road). Estimated MFFn using SWMM was evaluated by comparison with observed MFFn. MFFn was estimated by varying n-value from 10% to 90% on the rainy events. The n-value increases, MFFn is closed to '1'. As time passed, the rainfall runoff was getting similar to ratio of pollutants accumulation. The result of a measure of the strength of the linear relationship between observed data and expected data under model was good (=0.89). Pollutants runoff loads by volume showed Highway 26.6%, National road 44.8%, Trunk road 35.0% at the MFF20(20% by total runoff). A case of MFF30, pollutants runoff loads by volume showed Highway 40.2%, National road 54.3%, Trunk road 46.8%. According to the results, Initial precipitation basis were Highway MFF30, National road MFF20, Trunk road MFF30 when the Non-Point source control facilities set up.
MFFn;SWMM;Transportation area;Non-Point source;
 Cited by
위락시설지역의 초기세척현상과 초기 강우-유출고 저류에 따른 저감효율 분석,정재운;박하나;최동호;백상수;윤광식;백원진;범진아;임병진;

한국물환경학회지, 2013. vol.29. 5, pp.648-655
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