Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Evaluation of Incremental Reactivity and Ozone Production Contribution of VOCs Using the PAMS Data in Seoul Metropolitan Area

수도권에서 오존생성 기여도 산출에 관한 연구

  • Lee, J.H. (National Institute of Environmental Research) ;
  • Han, J.S. (National Institute of Environmental Research) ;
  • Yun, H.K. (Department of Environmental Engineering, Inha University) ;
  • Cho, S.Y. (Department of Environmental Engineering, Inha University)
  • 이종현 (국립환경과학원 대기환경과) ;
  • 한진석 (국립환경과학원 대기환경과) ;
  • 윤혜경 (인하대학교 환경공학과) ;
  • 조석연 (인하대학교 환경공학과)
  • Published : 2007.06.30
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Abstract

Ozone creation potentials suited for Seoul metropolitan area was derived by utilizing the PAMS monitoring data and the source inventory. A simple box model with variable height was developed to calculate the incremental reactivity for all the ozone episode days in the year 2003 and 2004. RIR (Relative Incremental Reactivity) was introduced as a measure of contribution to ozone generation in the Seoul metropolitan area. RIR was defined as a function of ratio of VOC to $NO_x$ and therefore it addresses both VOC and $NO_x$ limited regime. For the days that more than 10 monitoring stations out of 27 monitoring station in Seoul recorded the daily maximum ozone concentrations higher than 70 ppb, toluene had the highest RIR value in all the type II and type III PAMS site and m/p-xylene followed with the second highest RIR value. Analyses using MIR (Maximum Incremental Reactivity) and POCP (Photochemical Ozone Creation Potential) instead of RIR also yields dominance of toluene and m/p-xylene in generating ozone concentrations to demonstrate the validity of RIR.

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