Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Measurement of Carbonaceous Species in Fine Particles at the Background Sites in Korea During 1996 and 1997

우리 나라 배경농도지역의 1996~1997년 미세입자상 탄소성분 측정 결과

  • 김용표 (한국과학기술연구원 지구환경 연구센터) ;
  • 이종훈 (한국과학기술연구원 지구환경 연구센터, 건국대학교 환경공학과, 한국과학기술연구원 지구환경 연구센터, 건국대학교 환경공학과, 강원대학교 환경학과)
  • Published : 1998.12.01
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Abstract

The concentrations of organic carbon (OC) and elemental carbon (EC) in fine aerosols were determined from the samples collected at the two background sites of Kosan in Cheju Island and Kangwha. Samplings were carried out during the spring and winter of 1996 and the fall and winter of 1997. PM25 particles were collected on the prefired quartz filters for 24 hours and analyzed by the selective thermal oxidation method. The concentrations of OC at the sites were higher than those commonly observed from clean areas around the world, but those of EC at both sites were lower than, or comparable to, other clean areas in the world. Both the OC and EC levels at Kangwha were higher than those at Kosan. According to backward trajectory analysis, most air pollutants collected at the two sites were from China. It was found that the OC and EC concentrations in air masses from southern China were higher than those from northern China.

Keywords

References

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