New particle formation and growth in relation to vertical mixing and chemical species during ABC-EAREX2005

Mijung Song, Meehye Lee, Jong H. Kim, Seong S. Yum, Gangwoong Lee, Kyung Ryul Kim

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

As a part of ABC-EAREX2005 (Atmospheric Brown Cloud-East Asia Regional Experiment 2005), particle number size distributions, gaseous species, and meteorological parameters were measured at Gosan Superstation (33.17°N, 126.10°E, 70m ASL) on Jeju Island in South Korea from March 13 to 30, 2005. Four particle formation and growth events that occurred on 14, 19, 25, and 30 March were discussed in detail. They took place on a synoptic scale under a high pressure system with intervals of 5-6days. New particle formation and growth processes were very sensitive to the level of precursor gases and preexisting particles. SO2 was likely to be the dominant precursor gas. Vertical mixing also played a key role by diluting preexisting particles. The fastest growth event occurred on 25 March with the entrainment of free tropospheric air, which must have been influenced by an anthropogenic plume. The particle growth rates ranged from 1.97 to 5.81nmh-1 and the condensation sink varied between 1.5-10-3 and 8.4-10-2s-1.

Original languageEnglish
Pages (from-to)359-370
Number of pages12
JournalAtmospheric Research
Volume97
Issue number3
DOIs
Publication statusPublished - 2010 Aug 1

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vertical mixing
experiment
high pressure system
gas
entrainment
chemical
particle
Asia
condensation
plume
air

Keywords

  • ABC-EAREX2005
  • Gosan superstation
  • Particle formation and growth
  • Precursor gas
  • Preexisting particles

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

New particle formation and growth in relation to vertical mixing and chemical species during ABC-EAREX2005. / Song, Mijung; Lee, Meehye; Kim, Jong H.; Yum, Seong S.; Lee, Gangwoong; Kim, Kyung Ryul.

In: Atmospheric Research, Vol. 97, No. 3, 01.08.2010, p. 359-370.

Research output: Contribution to journalArticle

Song, Mijung ; Lee, Meehye ; Kim, Jong H. ; Yum, Seong S. ; Lee, Gangwoong ; Kim, Kyung Ryul. / New particle formation and growth in relation to vertical mixing and chemical species during ABC-EAREX2005. In: Atmospheric Research. 2010 ; Vol. 97, No. 3. pp. 359-370.
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