Articles | Volume 16, issue 6
https://doi.org/10.5194/acp-16-4081-2016
https://doi.org/10.5194/acp-16-4081-2016
Research article
 | 
29 Mar 2016
Research article |  | 29 Mar 2016

Understanding sources of organic aerosol during CalNex-2010 using the CMAQ-VBS

Matthew C. Woody, Kirk R. Baker, Patrick L. Hayes, Jose L. Jimenez, Bonyoung Koo, and Havala O. T. Pye

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Short summary
In this work, organic aerosol (OA) predictions from the volatility basis set (VBS) module in the CMAQ photochemical transport model were evaluated against routine monitoring data and measurements collected during the 2010 CalNex field study. We found that the VBS module more accurately reproduced the observed primary/secondary OA split and secondary OA (SOA) mass at the CalNex Pasadena ground site compared to the traditional CMAQ OA module but still underpredicted observed SOA by ~ 5.2 ×.
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