Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Washoff Characteristics of Metal Pollutants in Highways

고속도로 노면유출수의 중금속 유출 특성 및 상관성

  • Lee, Eun-Je (Department of Civil & Environment Engineering, Kongju National University) ;
  • Ko, Seok-Oh (Department of Civil & Environment Engineering, Kyunghee University) ;
  • Kang, Hee-Man (Environmental & Material Research Laboratory, Highway & Transportation Technology Institute) ;
  • Lee, Joo-Kwang (Environmental & Material Research Laboratory, Highway & Transportation Technology Institute) ;
  • Lim, Kyeong-Ho (Department of Civil & Environment Engineering, Kongju National University) ;
  • Lee, Byung-Sik (Department of Civil & Environment Engineering, Kongju National University) ;
  • Kim, Lee-Hyung (Department of Civil & Environment Engineering, Kongju National University)
  • 이은주 (공주대학교 건설환경공학부) ;
  • 고석오 (경희대학교 토목공학과) ;
  • 강희만 (한국도로공사 도로교통기술원 재료환경연구그룹) ;
  • 이주광 (한국도로공사 도로교통기술원 재료환경연구그룹) ;
  • 임경호 (공주대학교 건설환경공학부) ;
  • 이병식 (공주대학교 건설환경공학부) ;
  • 김이형 (공주대학교 건설환경공학부)
  • Received : 2005.09.21
  • Accepted : 2005.11.07
  • Published : 2006.01.30
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Abstract

The paved areas in nonpoint source are highly polluted landuses because of high imperviousness and high pollutant mass emissions from vehicle activities. Particularly, the metal pollutants are a big issue in the paved area. It is usually washed-off during storms by adsorbing on sediments or soluble status. Therefore, this research was achieved for understanding the characteristics of metal pollutants in stormwater runoff in highways. Five monitoring sites were equipped with an automatic rainfall gage and an automatic flow meter. This manuscripts will summarize the washoff characteristics of metal pollutants and its concentration changes during storms. Usually first flush phenomenon was observed for all of the storm events and visibly confirmed with hydro- and polluto-graphs. Also it was coincided with the tendency of particulates and organic matters. The decrease rate per total reduced amount for metals during initial 30-min storm duration was obtained on 80%. The result may be able to use for determining the economical treatment criteria for stormwater runoff in highways.

Keywords

Acknowledgement

Supported by : 한국건설교통기술평가원, 한국도로공사 도로교통기술원

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