한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제27권6호
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  • Pages.723-733
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  • 2011
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
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기상현상에 따른 제주지역 TSP의 이온조성 변화 특성

Variation Characteristics of TSP Ionic Compositions by Meteorological Phenomena in Jeju Island

  • Ko, Hee-Jung (Department of Chemistry, Jeju National University) ;
  • Kim, Won-Hyung (Department of Chemistry, Jeju National University) ;
  • Lee, Seung-Hoon (Department of Chemistry, Jeju National University) ;
  • Bu, Jun-Oh (Department of Chemistry, Jeju National University) ;
  • Kang, Chang-Hee (Department of Chemistry, Jeju National University) ;
  • Hu, Chul-Goo (Department of Environmental Engineering, Jeju National University)
  • 투고 : 2011.08.30
  • 심사 : 2011.12.13
  • 발행 : 2011.12.31
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초록

The ionic compositions were analyzed from the TSP samples collected at Gosan site in Jeju Island between 2000 and 2008, in order to examine the characteristics of atmospheric aerosols in accordance with the meteorological conditions. For the Asian Dust influence on the ionic compositions, the concentration ratios of $NH_4{^+}$, nss-${SO_4}^{2-}$, $NO_3{^-}$, and $K^+$ were about 1.2~2.3 during Asian Dust over Non-Asian Dust periods, noticeably that of nss-$Ca^{2+}$ was 6.8. Meanwhile the concentrations of nss-${SO_4}^{2-}$, $NO_3{^-}$, and $NH_4{^+}$ have increased as 1.8~4.4 times during the haze event periods, and 1.0~1.6 times during the fog and mist events. The ion balance has resulted that the anionic concentrations are relatively lower than the cationic concentrations, and the discrepancy appears more decidedly as a strong Asian Dust effect. The ammonium ion balance has shown that it exists as a mixture of $NH_4HSO_4$ and $(NH_4)_2SO_4$. The concentration ratios of nss-${SO_4}^{2-}/NO_3{^-}$ for Asian Dust, haze, fog-mist, and non-event periods were respectively 1.8, 5.9, 4.6, and 2.9, which were higher values compared to those in urban areas of China as well as other domestic regions. Especially, the high ratios of sulfur oxides could be presumed by the fact that the longrange transport of air pollutants from Asia continent might affect the atmospheric aerosols of Jeju Island.

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