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

doi:10.1016/j.atmosres.2010.04.013

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 journal › Article › peer-review

20 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 language	English
Pages (from-to)	359-370
Number of pages	12
Journal	Atmospheric Research
Volume	97
Issue number	3
DOIs	https://doi.org/10.1016/j.atmosres.2010.04.013
Publication status	Published - 2010 Aug

Bibliographical note

Funding Information:
This study was supported by the Korea Science & Engineering Foundation (KOSEF) through the Basic Research Program ( R01-2005-000-11228-0 ). M. Lee gives special thanks to the L.G. Yonam Foundation for its support through professors’ overseas research. The authors would like to thank Prof. Soon-Chang Yoon and Dr. Sang-Woo Kim from Seoul National University for allowing us to use their MPL data measured at Gosan.

All Science Journal Classification (ASJC) codes

Atmospheric Science

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10.1016/j.atmosres.2010.04.013

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

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.",

author = "Mijung Song and Meehye Lee and Kim, {Jong H.} and Yum, {Seong S.} and Gangwoong Lee and Kim, {Kyung Ryul}",

note = "Funding Information: This study was supported by the Korea Science & Engineering Foundation (KOSEF) through the Basic Research Program ( R01-2005-000-11228-0 ). M. Lee gives special thanks to the L.G. Yonam Foundation for its support through professors{\textquoteright} overseas research. The authors would like to thank Prof. Soon-Chang Yoon and Dr. Sang-Woo Kim from Seoul National University for allowing us to use their MPL data measured at Gosan.",

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AU - Lee, Gangwoong

AU - Kim, Kyung Ryul

N1 - Funding Information: This study was supported by the Korea Science & Engineering Foundation (KOSEF) through the Basic Research Program ( R01-2005-000-11228-0 ). M. Lee gives special thanks to the L.G. Yonam Foundation for its support through professors’ overseas research. The authors would like to thank Prof. Soon-Chang Yoon and Dr. Sang-Woo Kim from Seoul National University for allowing us to use their MPL data measured at Gosan.

PY - 2010/8

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N2 - 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.

AB - 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.

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

Abstract

Bibliographical note

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