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The contribution of sulphuric acid to atmospheric particle formation and growth: a comparison between boundary layers in Northern and Central Europe.

Fiedler, Verena and Dal Maso, Miikka and Boy, Michael and Aufmhoff, Heinfried and Hoffmann, Jens and Schuck, Tanja and Birmili, Wolfram and Hanke, Markus and Uecker, Jens and Arnold, Frank and Kulmala, Markku (2005) The contribution of sulphuric acid to atmospheric particle formation and growth: a comparison between boundary layers in Northern and Central Europe. EGU, General Assembly 2005, 2005-04, Vienna (A).

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Abstract

During the EU-project QUEST atmospheric gaseous sulphuric acid was measured and its influence on particle formation and growth was investigated building on aerosol data at two measurement sites (Hyytiälä, Finland, March–April 2003 and Heidelberg, Germany, March–April 2004). From a comprehensive data set including particle number size distributions, sulphuric acid, and meteorological data, particle growth rates, particle formation rates and source rates of condensable vapors were calculated. Growth rates were determined in two different ways, from particle size distributions as well as from a so-called timeshift analysis. Moreover, correlations between sulphuric acid and particle number concentration between 3 and 6 nm were examined.

Document Type:Conference or Workshop Item (Poster)
Title:The contribution of sulphuric acid to atmospheric particle formation and growth: a comparison between boundary layers in Northern and Central Europe.
Authors:
AuthorsInstitution or Email of Authors
Fiedler, VerenaUNSPECIFIED
Dal Maso, MiikkaUniv. of Helsinki, FIN
Boy, MichaelUniv. of Helsinki, FIN
Aufmhoff, HeinfriedMPI für Kernphysik, Heidelberg
Hoffmann, JensMPI für Kernphysik, Heidelberg
Schuck, TanjaMPI für Kernphysik, Heidelberg
Birmili, WolframTroposphäreninstitut Leipzig
Hanke, MarkusMPI für Kernphysik, Heidelberg
Uecker, JensMPI für Kernphysik, Heidelberg
Arnold, FrankMPI für Kernphysik, Heidelberg
Kulmala, MarkkuUniv. of Helsinki, FIN
Date:April 2005
Keywords:Quest, particle formation, sulfuric acid.
Event Title:EGU, General Assembly 2005
Event Location:Vienna (A)
Event Type:international Conference
Event Dates:2005-04
Organizer:European Geophysical Union
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Trace Species
Deposited By: Dr.rer.nat. Verena Fiedler
Deposited On:02 Jul 2007
Last Modified:27 Apr 2009 13:55

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