Atmos. Chem. Phys. Discuss., 9, 15083–15123, 2009 www.atmos-chem-phys-discuss.net/9/15083/2009/ © Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License.
Atmospheric Chemistry and Physics Discussions
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ACPD 9, 15083–15123, 2009
Changes in the productionrate of secondary aerosol particles A. Hamed et al.
Changes in the production rate of secondary aerosol particles in central Europe in view of decreasing SO2 emissions between 1996 and 2006 A. Hamed1 , W. Birmili2 , J. Joutsensaari1 , S. Mikkonen1 , A. Asmi3 , B. Wehner2 , G. Spindler2 , A. Jaatinen1 , K. Uhse4 , A. Wiedensohler2 , K. E. J. Lehtinen1,5 , and 1,6 A. Laaksonen 1
Department of Physics, University of Kuopio, P.O. Box 1627, 70211 Kuopio, Finland 2 Leibniz Institute for Tropospheric Research, Permoserstrasse 15, 04318 Leipzig, Germany 3 Division of Atmospheric Sciences, Department of Physical Sciences, P.O. Box 64, 00014, University of Helsinki, Finland 4 Federal Environment Agency of Germany (UBA), Paul-Ehrlich-Strasse 29, 63225 Langen Germany
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Finnish Meteorological Institute, Kuopio Unit, P.O. Box 1627, 70210 Kuopio, Finland Finnish Meteorological Institute, P.O. Box 503, 00101 Helsinki, Finland
Received: 26 June 2009 – Accepted: 2 July 2009 – Published: 13 July 2009 Correspondence to: A. Hamed (
[email protected]) Published by Copernicus Publications on behalf of the European Geosciences Union.
9, 15083–15123, 2009
Changes in the productionrate of secondary aerosol particles A. Hamed et al.
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In anthropogenically influenced atmospheres, sulphur dioxide (SO2 ) is the main precursor of gaseous sulphuric acid (H2 SO4 ), which in turn forms new aerosol particles (diameter
