한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제22권5호
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  • Pages.604-613
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  • 2006
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
권호 표지

ABC-EAREX2005 미세 에어러솔의 화학적 특성

Chemical Characteristics of Fine Aerosols During ABC-EAREX2005

  • 송미정 (고려대학교 지구환경과학과 대기환경연구실) ;
  • 이미혜 (고려대학교 지구환경과학과 대기환경연구실) ;
  • 문광주 (국립환경과학원 대기환경과) ;
  • 한진석 (국립환경과학원 대기환경과) ;
  • 김경렬 (서울대학교 지구환경과학과) ;
  • 이강웅 (한국외국어대학교 환경학과)
  • Song, M. (Department of Earth and Environmental Sciences, Korea University) ;
  • Lee, M. (Department of Earth and Environmental Sciences, Korea University) ;
  • Moon, K.J. (Department of Air Quality Research, National Institute of Environmental Research) ;
  • Han, J.S. (Department of Air Quality Research, National Institute of Environmental Research) ;
  • Kim, K.R. (School of Earth und Environmental Sciences, Seoul National University) ;
  • Lee, G. (Department of Environmental Science, Hankuk University of Foreign Studies)
  • 발행 : 2006.10.31
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초록

The chemical composition of $PM_{2.5}$ such as ${SO_4}^{2-},\;{NO_3}^-,\;Cl^-,\;{NH_4}^+,\;Ca^{2+},\;K^+,\;Na^+,\;Mg^{2+}$, OC, and EC and the concentrations of reactive trace gases including $O_3,\;CO,\;NOx,\;SO_2,\;and\;H_2O_2$ were measured at Gosan in Jeju Island during March $13{\sim}30$, as a part of the Atmospheric Brown Clouds-East Asian Regional Experiment 2005(ABC-EAREX2005). The average mass concentrations of $PM_{2.5}$ was 27.3 ${\mu}g/m^3$, of which OC showed the highest concentration as 4.22 ${\mu}g/m^3$ and nss ${SO_4}^{2-}$ was the second highest as 3.34 ${\mu}g/m^3$. During that period, average concentrations of CO and $O_3$ was about 300 ppbv and 56 ppbv, respectively. For the whole experiment, the correlations of CO with ${SO_4}^{2-}$ and EC were very good, which suggests that CO can be used as tracer for the formation of fine aerosols. Several pollution and dust episodes were identified by the enhancement of CO, OC, EC, nss ${SO_4}^{2-},\;or\;Ca^{2+}$ concentrations or their ratios. In conjunction with factor analysis, air trajectory analysis, and comparison with emission inventories, these results indicate the spring aerosols collected at Gosan was strongly influenced by Asian outflows.

키워드

참고문헌

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