Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
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The characteristics of discharged non-point pollutants on Hwa-sung lake inflow streams on precipitation

화성호 유입하천의 강우시 비점오염물질 유출특성

  • Lee, Sang Eun (Environmental Application Science, Kyung Hee University) ;
  • Choi, I Song (Department of Environmental Science and Environmental Research Center) ;
  • Lee, In Ho (Korea Rural Community Corporation, Rural Research Institute) ;
  • Hong, Dae Byuk (Korea Rural Community Corporation, Rural Research Institute) ;
  • Oh, Jong Min (Department of Environmental Science and Environmental Research Center)
  • 이상은 (경희대학교 대학원 환경응용과학과) ;
  • 최이송 (경희대 환경학 및 환경공학과.환경연구센터) ;
  • 이인호 (한국농어촌공사 농어촌연구원) ;
  • 홍대벽 (한국농어촌공사 농어촌연구원) ;
  • 오종민 (경희대 환경학 및 환경공학과.환경연구센터)
  • Received : 2011.06.28
  • Accepted : 2011.09.01
  • Published : 2011.10.31
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Abstract

The purpose of this study is to estimate the characteristics and pollutant loadings of non-point pollutants that flowed in the streams on precipitation for pollutant loading reduction of Hwa-sung lake inflow streams. Although it has been made an effort to improve the water quality of Hwa-sung basin through the strategies for the preservation of water quality, it is shown that the water quality is not greatly improved. Because it has been industrialized and urbanized near Hwa-sung basin so that it is difficult to reduce the water pollution due to the increase in pollutant loadings of point and non-point sources. In this study, it is investigated the outflow characteristics of non-point pollutants that discharged with storm runoff and estimated the effect of runoff on Hwa-sung basin. The final goal of this study is to utilize the basic information for proper management and strategies of non-point sources on Hwa-sung basin. At the result of inflow streams, Ja-an stream that has the greatest pollutant loadings on precipitation is strongly influenced on the water quantity of Hwa-sung basin. On the other hand, it is shown that Nam-yang stream is strongly influenced on the SS concentration of Hwasung basin among them. Also, all streams; Nam-yang, Ja-ahn, Ah-eun stream; has the degree of slope more than or near 1 in the correlation results so that they have strong pollutant loading impact and the concentration of SS is the highest among other pollutants. So, specific studies on initial rain phenomena are more necessary to manage the pollutants economically. Also, the proper control of SS concentration is required to manage the effluent pollutants effectively on precipitation. So, it is necessary to consider the strategies for non-point pollutants as well as point pollutants when the new management is imposed to reduce the pollutant load for improvement of Hwa-sung basin.

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References

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