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논문 기본 정보

자료유형
학술저널
저자정보
Park, Jae-Young (Center for Environmental Studies & Department of Environmental Science and Engineering, Kyung Hee University) Choi, I-Song (Center for Environmental Studies & Department of Environmental Science and Engineering, Kyung Hee University) Oh, Jong-Min (Center for Environmental Studies & Department of Environmental Science and Engineering, Kyung Hee University)
저널정보
한국수생태학회 한국하천호수학회지 한국하천호수학회지 제38권
발행연도
2005.1
수록면
67 - 75 (9page)

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The objectives of this study were to understand the runoff characteristics of the non-point sources originating from impervious surfaces and to assess their effect on the aquatic environment in the urban areas. The concentration of pollutants (SS, BOD, COD and T-P) except for T-N showed the highest value in runoff from road, and event mean concentration (EMC) also showed high value from road. The pollutants discharged from road showed a higher concentration in the beginning stage (0 ${\sim}$ 30%) of progressive percentage of rainfall. The contribution percentages of non-point sources by load were 44.9% for SS, 11.2% for BOD, 21.4% for COD, 11.4% for T-N and 8.1% for T-P in the total load of pollutant discharged through sewer. From our results, the road was a significant potential source that deteriorated water quality of the streams and lakes in the vicinity of the urban area during the rain period. Therefore, counter plan is required to reduce pollutant concentration on the road from non-point sources in the urban area. Also, since pollutant concentration in the beginning stage of rainfall was quite high, road cleaning seems to be one of the very useful methods to prevent inflowing of pollutants to the aquatic environment.

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