Articles | Volume 15, issue 16
Research article
26 Aug 2015
Research article |  | 26 Aug 2015

Atmospheric isoprene ozonolysis: impacts of stabilised Criegee intermediate reactions with SO2, H2O and dimethyl sulfide

M. J. Newland, A. R. Rickard, L. Vereecken, A. Muñoz, M. Ródenas, and W. J. Bloss

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Cited articles

Alam, M. S., Camredon, M., Rickard, A. R., Carr, T., Wyche, K. P., Hornsby, K. E., Monks, P. S., and Bloss, W. J.: Total radical yields from tropospheric ethene ozonolysis, Phys. Chem. Chem. Phys., 13, 11002–11015, 2011.
Alam, M. S., Rickard, A. R., Camredon, M., Wyche, K. P., Carr, T., Hornsby, K. E., Monks, P. S., and Bloss, W. J.: Radical Product Yields from the Ozonolysis of Short Chain Alkenes under Atmospheric Boundary Layer Conditions, J. Phys. Chem. A, 117, 12468–12483, 2013.
Anglada, J. M., Gonzalez, J., and Torrent-Sucarrat, M.: Effects of the substituents on the reactivity of carbonyl oxides. A theoretical study on the reaction of substituted carbonyl oxides with water, Phys. Chem. Chem. Phys., 13, 13034–13045, 2011.
Aplincourt, P. and Anglada, J. M.: Theoretical Studies on Isoprene Ozonolysis under Tropospheric Conditions, 1. Reaction of Substituted Carbonyl Oxides with Water, J. Phys Chem. A, 107, 5798–5811, 2003.
Asatryan, R. and Bozzelli, J. W.: Formation of a Criegee intermediate in the low-temperature oxidation of dimethyl sulfoxide, Phys. Chem. Chem. Phys., 10, 1769–1780, 2008.
Short summary
Stabilised Criegee intermediates (SCIs) are formed through alkene-ozone reactions, which occur throughout the atmospheric boundary layer. Recent direct laboratory studies have shown that SCI react rapidly with SO2, NO2 and other trace gases, affecting air quality and climate. We present experimental data from the EUPHORE atmospheric simulation chamber, in which we determine the effects of the ozonolysis of isoprene, on the oxidation of SO2 as a function of H2O and dimethyl sulfide concentration.
Final-revised paper