대기 (Atmosphere)

  • 제27권1호
  • /
  • Pages.29-40
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  • 2017
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  • 1598-3560(pISSN)
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  • 2288-3266(eISSN)
한국기상학회 (Korean Meteorological Society)
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2015년 봄철에 선박으로 관측한 서해상 이차에어로졸 성분의 농도 및 오염 특성

Concentration and Pollution Characteristics of Secondary Aerosol Components Over the Yellow Sea by Ship-Borne Observation in Spring, 2015

  • 고희정 (국립기상과학원 환경기상연구과) ;
  • 강창희 (제주대학교 화학.코스메틱스학과) ;
  • 차주완 (국립기상과학원 환경기상연구과) ;
  • 류상범 (국립기상과학원 환경기상연구과)
  • Ko, Hee-Jung (Environmental Meteorology Research Division, National Institute of Meteorological Sciences) ;
  • Kang, Chang-Hee (Department of Chemistry and Cosmetics, Jeju National University) ;
  • Cha, Joo Wan (Environmental Meteorology Research Division, National Institute of Meteorological Sciences) ;
  • Ryoo, Sang-Boom (Environmental Meteorology Research Division, National Institute of Meteorological Sciences)
  • 투고 : 2016.10.25
  • 심사 : 2017.01.26
  • 발행 : 2017.03.31
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초록

The $PM_{10}$ and $PM_{2.5}$ particles over the Yellow Sea of Korea were collected by ship-borne observation during two cruises in spring, 2015. Their water-soluble ionic components such as $NH_4^+$, $Na^+$, $K^+$, $Mg^{2+}$, $Ca^{2+}$, $SO_4^{2-}$, $NO_3^-$, $Cl^-$, $F^-$, $CH_3COO^-$, $HCOO^-$, and $CH_3SO_3^-$ were analyzed, in order to examine the pollution characteristics of the secondary aerosol components. The comparative study of particle size distribution has resulted that $NH_4^+$, $nss-SO_4^{2-}$, $nss-Mg2+$, $nss-K^+$, $HCOO^-$, and $CH_3SO_3^-$ species mostly existed in fine particle mode. Meanwhile, nss-F-and sea-salt species were distributed in both fine and coarse particle mode, $NO_3^-$, $nss-Ca^{2+}$, $CH_3COO^-$ species were rich in coarse particle mode. The concentrations of secondary pollutants($nss-SO_4^{2-}$, $NO_3^-$, $NH_4^+$) increased in fine particles, and those of natural components ($nss-Ca^{2+}$, Sea-salt) increased in coarse particles. $NH_4^+$ exists as the form of $(NH_4)_2SO_4$ and $NH_4NO_3$, and mostly as $(NH_4)_2SO_4$ in fine particles. $NH_4NO_3$ has lower content compared to $(NH_4)_2SO_4$, and it mostly existed in fine particles at Yellow Sea I and in coarse particles at Yellow Sea II. The concentration ratios of $NO_3^-/nss-SO_4^{2-}$ for Yellow Sea I and Yellow Sea II were 0.52 and 0.16 in coarse particles, and they were 0.64 and 0.38 in fine particles, respectively, showing that the stationary source emissions were more important than mobile source emissions in Yellow Sea II (except Passage II-4).

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피인용 문헌

  1. Water-Soluble Ionic Characteristics of Aerosols in the Marine Boundary Layer over the Yellow Sea during the KORUS-AQ Campaign pp.1976-7951, 2019, https://doi.org/10.1007/s13143-019-00151-8