Articles | Volume 15, issue 10
Atmos. Chem. Phys., 15, 5773–5801, 2015
https://doi.org/10.5194/acp-15-5773-2015
Atmos. Chem. Phys., 15, 5773–5801, 2015
https://doi.org/10.5194/acp-15-5773-2015
Research article
26 May 2015
Research article | 26 May 2015

Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010

P. L. Hayes et al.

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Short summary
(1) Four different parameterizations for the formation and chemical evolution of secondary organic aerosol (SOA) are evaluated using a box model representing the Los Angeles region during the CalNex campaign. (2) The SOA formed only from the oxidation of VOCs is insufficient to explain the observed SOA concentrations. (3) The amount of SOA mass formed from diesel vehicle emissions is estimated to be 16-27%. (4) Modeled SOA depends strongly on the P-S/IVOC volatility distribution.
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