Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Source Identification of PM2.5 at the Tokchok Island on the Yellow Sea

황해상 덕적도 PM2.5오염원의 확인

  • 윤용석 (경희대학교 환경·응용화학대학 대기오염연구실 및 산학협력기술연구원) ;
  • 배귀남 (한국과학기술연구원 지구환경연구센터) ;
  • 김동술 (경희대학교 환경·응용화학대학 대기오염연구실 및 산학협력기술연구원) ;
  • 황인조 (경희대학교 환경·응용화학대학 대기오염연구실 및 산학협력기술연구원) ;
  • 이승복 (한국과학기술연구원 지구환경연구센터) ;
  • 문길주 (한국과학기술연구원 지구환경연구센터)
  • Published : 2002.08.01
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Abstract

An air pollution monitoring station has been operated at Tokchok Island since April 1999 to characterize the background atmosphere in the vicinity of the Yellow Sea. In this study, eight chemical species in PM$_{2.5}$ and three gaseous species were analyzed. A total of 53 samples were collected for the analysis of PM$_{2.5}$ and gaseous species from April, 1999 to April, 2001. The overall mean mass concentration of PM$_{2.5}$ was 20.8 $\mu\textrm{g}$/㎥ and the eight soluble ionic species accounted for about 46.8% of PM$_{2.5}$ mass. Approximately 80% of samples appeared to experience the chloride loss effect. Air pollutant sources of PM$_{2.5}$ measured at Tokchok Island were qualitatively identified by the principal component analysis. It was found that five principal components are secondary aerosol, soil, incineration, phase change of nitrate, and ocean.and ocean.

Keywords

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