NUCLEATION AND ATMOSPHERIC AEROSOLS

Damien Martin; Colin O'Dowd

doi:10.1063/1.4803358

NUCLEATION AND ATMOSPHERIC AEROSOLS

Damien Martin, Colin O'Dowd

Physics

Research output: Chapter in Book or Conference Publication/Proceeding › Conference Publication › peer-review

Abstract

Regional climate model REMOTE is employed to assess the impact of two new sources of marine aerosol precursor vapours (DMS and volatile organo-iodine vapours) on the aerosol population. Microphysical model M7 is applied within REMOTE to simulate gas to particle conversion processes. Results indicate new ultra-fine particle production of the order of 10(3) particles cm(-3) in the North East Atlantic, predominantly due to the nucleation of iodine-containing vapours. The consideration of DMS vapours in the model leads to an increase in sulphur gases (factor of 1.5-2) which is of sufficient magnitude to enhance the growth of accumulation mode particles over the model domain, the resulting effect on the radiative properties of the atmosphere of potential global significance.

Original language	English (Ireland)
Title of host publication	Modelling Marine Aerosol Precursor Vapours Impact On Aerosol Population
Number of pages	4
Volume	1527
DOIs	https://doi.org/10.1063/1.4803358
Publication status	Published - 1 Jan 2013

Authors (Note for portal: view the doc link for the full list of authors)

Authors
Coleman, L,Monahan, C,Martin, D,O'Dowd, C

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10.1063/1.4803358

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abstract = "Regional climate model REMOTE is employed to assess the impact of two new sources of marine aerosol precursor vapours (DMS and volatile organo-iodine vapours) on the aerosol population. Microphysical model M7 is applied within REMOTE to simulate gas to particle conversion processes. Results indicate new ultra-fine particle production of the order of 10(3) particles cm(-3) in the North East Atlantic, predominantly due to the nucleation of iodine-containing vapours. The consideration of DMS vapours in the model leads to an increase in sulphur gases (factor of 1.5-2) which is of sufficient magnitude to enhance the growth of accumulation mode particles over the model domain, the resulting effect on the radiative properties of the atmosphere of potential global significance.",

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AB - Regional climate model REMOTE is employed to assess the impact of two new sources of marine aerosol precursor vapours (DMS and volatile organo-iodine vapours) on the aerosol population. Microphysical model M7 is applied within REMOTE to simulate gas to particle conversion processes. Results indicate new ultra-fine particle production of the order of 10(3) particles cm(-3) in the North East Atlantic, predominantly due to the nucleation of iodine-containing vapours. The consideration of DMS vapours in the model leads to an increase in sulphur gases (factor of 1.5-2) which is of sufficient magnitude to enhance the growth of accumulation mode particles over the model domain, the resulting effect on the radiative properties of the atmosphere of potential global significance.

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BT - Modelling Marine Aerosol Precursor Vapours Impact On Aerosol Population

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NUCLEATION AND ATMOSPHERIC AEROSOLS

Abstract

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