Articles | Volume 15, issue 16
Research article
20 Aug 2015
Research article |  | 20 Aug 2015

Organic photolysis reactions in tropospheric aerosols: effect on secondary organic aerosol formation and lifetime

A. Hodzic, S. Madronich, P. S. Kasibhatla, G. Tyndall, B. Aumont, J. L. Jimenez, J. Lee-Taylor, and J. Orlando


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Short summary
Our study combines process and global chemistry modeling to investigate the potential effect of gas- and particle-phase organic photolysis reactions on the formation and lifetime of secondary organic aerosols (SOAs). Photolysis of the oxidation intermediates that partition between gas and particle phases to form SOA is not included in 3D models. Our results suggest that exposure to UV light can suppress the formation of SOA or even lead to its substantial loss (comparable to wet deposition).
Final-revised paper