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Organic aerosol and global climate modelling: a review

Kanakidou, M. and Seinfeld, J. H. and Pandis, S. N. and Barnes, I. and Dentener, F. J. and Facchini, M. C. and Van Dingenen, R. and Ervens, B. and Nenes, A. and Nielsen, C. J. and Swietlicki, E. and Putaud, J. P. and Balkanski, Y. and Fuzzi, S. and Horth, J. and Moortgat, G. K. and Winterhalter, R. and Myhre, C. E. L. and Tsigaridis, K. and Vignati, E. and Stephanou, E. G. and Wilson, J. (2005) Organic aerosol and global climate modelling: a review. Atmospheric Chemistry and Physics, 5 (4). pp. 1053-1123. ISSN 1680-7324. http://resolver.caltech.edu/CaltechAUTHORS:KANacp05

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Abstract

The present paper reviews existing knowledge with regard to Organic Aerosol (OA) of importance for global climate modelling and defines critical gaps needed to reduce the involved uncertainties. All pieces required for the representation of OA in a global climate model are sketched out with special attention to Secondary Organic Aerosol (SOA): The emission estimates of primary carbonaceous particles and SOA precursor gases are summarized. The up-to-date understanding of the chemical formation and transformation of condensable organic material is outlined. Knowledge on the hygroscopicity of OA and measurements of optical properties of the organic aerosol constituents are summarized. The mechanisms of interactions of OA with clouds and dry and wet removal processes parameterisations in global models are outlined. This information is synthesized to provide a continuous analysis of the flow from the emitted material to the atmosphere up to the point of the climate impact of the produced organic aerosol. The sources of uncertainties at each step of this process are highlighted as areas that require further studies.


Item Type:Article
Additional Information:© Copernicus 2004–2005. Received: 3 August 2004 – Published in Atmos. Chem. Phys. Discuss.: 28 September 2004. Revised: 1 March 2005 – Accepted: 12 March 2005 – Published: 30 March 2005. This work has been supported by the EU project PHOENICS: EVK2-CT2001-00098. We thank all participants of the PHOENICS workshop on Organic Aerosol in Belgirate in September 2003 for communication of their results and fruitful discussions. B. Ervens acknowledges support by the NOAA Office of Global programs. The authors thank the reviewers, all those who commented on the web as well as J. van Aardenne and L. Barrie for their constructive comments. Edited by: S. Martin
Subject Keywords:CLOUD-CONDENSATION-NUCLEI, GAS-PHASE REACTIONS, PARTICLE-SIZE DISTRIBUTION, INITIATED ATMOSPHERIC OXIDATION, GENERAL-CIRCULATION MODELS, DIFFUSION DENUDER SAMPLER, WEIGHT DICARBOXYLIC-ACIDS, UNSATURATED FATTY-ACIDS, SEA-SALT AEROSOLS, CIS-PINIC ACID
Record Number:CaltechAUTHORS:KANacp05
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KANacp05
Alternative URL:http://www.copernicus.org/EGU/acp/acp/5/1053/acp-5-1053.htm
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:620
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Sep 2005
Last Modified:26 Dec 2012 08:40

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