Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Determination of Pollutant Unit Loads from Various Transportation Landuses

교통관련 포장지역 비점오염원에서의 오염물질 유출원단위 산정

  • Lee, So-Young (Dept. of Civil & Environ. Engineering, Kongju National University) ;
  • Lee, Eunju (Dept. of Civil & Environ. Engineering, Kongju National University) ;
  • Maniquiz, Marla C. (Dept. of Civil & Environ. Engineering, Kongju National University) ;
  • Kim, Lee-Hyung (Dept. of Civil & Environ. Engineering, Kongju National University)
  • 이소영 (공주대학교 건설환경공학부) ;
  • 이은주 (공주대학교 건설환경공학부) ;
  • ;
  • 김이형 (공주대학교 건설환경공학부)
  • Received : 2008.04.21
  • Accepted : 2008.08.05
  • Published : 2008.09.30
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Abstract

Human activities and land-use practices are intensely widening the urban areas. High impervious surface areas cover much of urban landscapes and are the primary pollutant sources which can lead to water quality and habitat degradation in its watershed. As the urban areas expand, transportation land-use such as parking lots, roads, service areas, toll-gates in highways and bridges also increase. These land-uses are significant in urban pollution due to high imperviousness rate and vehicular activities. To regulate the environmental impacts and to improve the water quality of rivers and lakes, the Ministry of Environment (MOE) in Korea developed the Total Pollution Load Management System (TPLMS) program. The main objective is to lead the watershed for a low impact development. On a local scale, some urban land surfaces can be emitting more pollution than others. Consequently, in urban areas, the unit loads are commonly employed to estimate total pollutant loadings emitted from various land-uses including residential, commercial, industrial, transportation, open lands such as parks and golf courses, and other developed land like parking areas as a result of development. In this research, unit pollutant loads derived specifically from transportation land-uses (i.e. branched out from urban areas) will be provided. Monitoring was conducted over 56 storm events at nine monitoring locations during three years. Results for the unit pollutant loads of transportation land-use are determined to be $399.5kg/km^2-day$ for TSS, $12.3kg/km^2-day$ for TN and $2.46kg/km^2-day$ for TP. The values are higher than those of urban areas in Korean MOE and US highways. These results can be used by MOE to separate the pollutant unit load of transportation landuses from urban areas.

Keywords

Acknowledgement

Supported by : 환경부

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