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A Numerical Simulation of High Ozone Episode Using OZIPR in Busan

OZIPR을 이용한 부산지역 고농도 오존 사례 모사

  • Do, Woo-Gon (Busan Metropolitan City Institute of Health and Environment) ;
  • Lee, Hwa-Woon (Department of Atmospheric Sciences, Pusan National University) ;
  • Jung, Woo-Sik (Department of Atmospheric Environment Information Engineering/Atmospheric Environment Information Research Center, Inje University)
  • 도우곤 (부산광역시 보건환경연구원) ;
  • 이화운 (부산대학교 대기과학과) ;
  • 정우식 (인제대학교 대기환경정보공학과/대기환경정보연구센타)
  • Published : 2007.08.31

Abstract

To investigate the effect of NOx and VOCs(volatile organic compounds) on the generation of high ozone episode, examined the hourly variations of ozone, NOx and VOCs concentrations, and calculated the ozone isopleth about maximum ozone concentrations using OZIPR which was presented by U. S. EPA at three sites in Busan. There was some difference by the sites, but decreasing VOCs concentration was effective for reduction of ozone at 22 July, the episode day of 2005. In the year 2006, the episode day was 8 August and the variations of NOx and VOCs concentration was little than variation of ozone. So it was estimated that the photochemical production of ozone was low than transportation of ozone. And the result of the OZIPR modeling was that decreasing VOCs concentration was effective for reduction of ozone.

Keywords

Ozone isopleth;VOCs;NOx;OZIPR

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