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http://dx.doi.org/10.5322/JESI.2013.22.4.493

Runoff Characteristics of Non-point Pollutants Source in Suwon City  

Chi, Hong-Jin (Water Management Division, City of Suwon)
Lee, Sang-Eun (Environmental, Civil and Transportation Engineering, Ajou University)
Lee, Jae-Dong (Environmental and Energy Engineering, Gachon University)
Publication Information
Journal of Environmental Science International / v.22, no.4, 2013 , pp. 493-505 More about this Journal
Abstract
This study was to investigate the runoff characteristics of non-point pollutants source at the urban area in Suwon city. The highest T-N and T-P concentration of rainfall runoff observed in agricultural area. In residential area, the highest $BOD_5$ and SS concentration of rainfall runoff was investigated. During rainfall events, the peak concentrations of SS and $BOD_5$ were observed after 1~2 hours of rainfall in urban area. Whereas, the peak concentrations occurred within 1~2 hours after rainfall and then the highest concentrations of SS and $BOD_5$ sharply decreased, showing strong first flush effect in urban area. The EMC results indicated that the highest value of T-N and T-P in agricultural area was observed. While residential area was shown the lowest EMC value as T-N and T-P. Non-point pollutant loads on the land use types in urban area were investigated in the order of residential>industrial>agricultural>highway. $BOD_5$ and SS loads on urban watershed were investigated in the order of Suwon>Hwangguji>Seoho>Wonchunri. Whereas, T-N and T-P loads on urban watershed were investigated in the order of Hwangguji>Suwon>Wonchunri>Seho.
Keywords
Non-point pollutants source; EMC; First flush effect; Land use types; Loads;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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