On the composition of Caribbean maritime aerosol particles measured during RICO

Observations of aerosol‐particle (AP) composition obtained via volatility measurements during the ‘Rain In Cumulus over the Ocean’ (RICO) experiment are presented. The measurements show that sub‐cloud APs with a radius rp ≤ 0.2 µm are composed mainly of ammonium sulphate, while APs with a radius rp...

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Bibliographic Details
Published in:Quarterly journal of the Royal Meteorological Society 2008-04, Vol.134 (633), p.1059-1063
Main Authors: Peter, Justin R., Blyth, Alan M., Brooks, Barbara, McQuaid, James B., Lingard, Justin J. N., Smith, Mike H.
Format: Article
Language:English
Subjects:
aerosol‐particle composition
aerosol‐particle size distribution
Earth, ocean, space
Exact sciences and technology
External geophysics
Marine
Meteorology
Physics of the high neutral atmosphere
trade‐wind cumulus
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Summary:Observations of aerosol‐particle (AP) composition obtained via volatility measurements during the ‘Rain In Cumulus over the Ocean’ (RICO) experiment are presented. The measurements show that sub‐cloud APs with a radius rp ≤ 0.2 µm are composed mainly of ammonium sulphate, while APs with a radius rp ≥ 0.2 µm are composed mainly of sea salt. The AP distribution also contains an indeterminate non‐volatile component (rp ≤ 0.4 µm), which could be either elemental carbon or mineral dust. Copyright © 2008 Royal Meteorological Society
ISSN:0035-9009
1477-870X
DOI:10.1002/qj.198