Springtime cloud condensation nuclei concentrations on the west coast of Korea

Seong Soo Yum, James G. Hudson, Keun Yong Song, Byoung Cheol Choi

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Cloud condensation nuclei (CCN) measurements were made with the Desert Research Institute (DRI) instantaneous CCN spectrometer at the Korea Global Atmosphere Watch (GAW) Observatory (KGAWO) (36°32′N, 126°19′E) on the west coast of the Korean Peninsula from May 1-22, 2004. A TSI CPC3010 counter simultaneously measured condensation nuclei (CN). For seven of these days, submicron aerosol size distributions were also measured with an SMPS. Data were classified maritime or continental according to air mass back trajectories. Average maritime and continental CCN concentrations at 1% supersaturation were 2406 cm-3 and 5292 cm-3, respectively, while CN concentrations were 3983 cm-3 and 8313 cm-3, respectively. The average ratios of CCN to CN concentrations were 0.64 for both maritime and continental. These results suggest ubiquitously high aerosol concentrations in this area regardless of air mass origin.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalGeophysical Research Letters
Volume32
Issue number9
DOIs
Publication statusPublished - 2005 May 16

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condensation nuclei
cloud condensation nucleus
Korea
coasts
condensation
coast
air mass
air masses
supersaturation
aerosols
spectrometer
observatory
desert
trajectory
particle size
aerosol
deserts
peninsulas
atmosphere
clocks

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

Cite this

Yum, Seong Soo ; Hudson, James G. ; Song, Keun Yong ; Choi, Byoung Cheol. / Springtime cloud condensation nuclei concentrations on the west coast of Korea. In: Geophysical Research Letters. 2005 ; Vol. 32, No. 9. pp. 1-4.
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Springtime cloud condensation nuclei concentrations on the west coast of Korea. / Yum, Seong Soo; Hudson, James G.; Song, Keun Yong; Choi, Byoung Cheol.

In: Geophysical Research Letters, Vol. 32, No. 9, 16.05.2005, p. 1-4.

Research output: Contribution to journalArticle

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AB - Cloud condensation nuclei (CCN) measurements were made with the Desert Research Institute (DRI) instantaneous CCN spectrometer at the Korea Global Atmosphere Watch (GAW) Observatory (KGAWO) (36°32′N, 126°19′E) on the west coast of the Korean Peninsula from May 1-22, 2004. A TSI CPC3010 counter simultaneously measured condensation nuclei (CN). For seven of these days, submicron aerosol size distributions were also measured with an SMPS. Data were classified maritime or continental according to air mass back trajectories. Average maritime and continental CCN concentrations at 1% supersaturation were 2406 cm-3 and 5292 cm-3, respectively, while CN concentrations were 3983 cm-3 and 8313 cm-3, respectively. The average ratios of CCN to CN concentrations were 0.64 for both maritime and continental. These results suggest ubiquitously high aerosol concentrations in this area regardless of air mass origin.

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