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http://dx.doi.org/10.17663/JWR.2012.14.4.581

Characteristics of Non-point Source Runoff in Housing and Industrial Area during Rainfall  

Kim, Kang Suk (전남대학교 토목공학과)
Park, Jong Seok (전남대학교 토목공학과)
Hong, Hyeon Seung (고구려학교 토목조경학부)
Rhee, Kyoung Hoon (전남대학교 토목공학과)
Publication Information
Journal of Wetlands Research / v.14, no.4, 2012 , pp. 581-589 More about this Journal
Abstract
Non-point source pollutant is exerting a serious influence on the water quality, since the characteristics of stormwater runoff is varied by the land usage pattern of an area and a basin, and all sorts of pollutants on the earth in rainfall flow into the urban stream. This study estimated EMC of each pollutant to investigate the characteristics of stormwater runoff by separating the urban area as the housing area and industrial area. As a result of the analysis, the first flush effect occurred in the non-point source pollutant of housing area and industrial area, as the runoff concentration gradually reduces after it rapidly increases in the initial rainfall, and in case of the non-point source pollutant the control of first stage rain-water. It is considered to require the continuous follow-up study such as the scale of long-term rainfall event and water quality data, land usage pattern by GIS method, database of topography and geological features, and so forth.
Keywords
Runoff characteristic; Non-point source; First flush; EMC(Event Mean Concentration);
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