Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Concentrations and Characteristics of Carbonaceous Compounds in PM10 over Seoul: Measurement between 2006 and 2007

서울시 대기 중 미세먼지 내 탄소성 입자의 농도 및 특성 : 2006~2007년 측정결과

  • Choi, Na Rae (Department of Environmental Science and Engineering, Ewha Womans University) ;
  • Lee, Ji Yi (Department of Renewable Energy Convergence, Chosun University) ;
  • Jung, Chang Hoon (Department Health Management, Kyungin Women's College) ;
  • Lee, Sun Yong (Department of Environmental Health, Seoul National University) ;
  • Yi, Seung Muk (Department of Environmental Health, Seoul National University) ;
  • Kim, Yong Pyo (Department of Environmental Science and Engineering, Ewha Womans University)
  • 최나래 (이화여자대학교 환경공학과) ;
  • 이지이 (조선대학교 환경공학과) ;
  • 정창훈 (경인여자대학교 보건의료관리과) ;
  • 이선영 (서울대학교 환경보건학과) ;
  • 이승묵 (서울대학교 환경보건학과) ;
  • 김용표 (이화여자대학교 환경공학과)
  • Received : 2015.06.19
  • Accepted : 2015.08.05
  • Published : 2015.08.31
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Abstract

Carbonaceous compounds in the atmospheric particulate matter with an aerodynamic diameter of less than or equal to a nominal $10{\mu}m$ ($PM_{10}$) were analyzed for the samples collected during the period of August 2006 to August 2007 at Jongro in Seoul. A total 18 dicarboxylic acids (DCAs) and levoglucosan, as well as organic carbon (OC), elemental carbon (EC), and water soluble organic carbon (WSOC), were analyzed. Distinctive seasonal patterns of the concentrations of OC, EC, and WSOC including levoglucosan were observed with the highest concentrations in winter and the lowest concentrations in summer. In addition, OC, WSOC, and most of DCAs showed also higher concentration in summer than in winter. Using the seasonal patterns and relevant indicative ratios (WSOC/EC and $OC_{sec}/OC_{tot}$) of the carbonaceous compounds, it was verified that (1) primary emission sources were elevated in winter, and (2) the formation of secondary OC increased due to the prompted photochemical reaction in summer. Results from this study also suggest that some organic compounds were likely attributed to longrange transport.

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References

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