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

Hayes, P. L.; Carlton, A. G.; Baker, K. R.; Ahmadov, R.; Washenfelder, R. A.; Alvarez, S.; Rappenglück, B.; Gilman, J. B.; Kuster, W. C.; de Gouw, J. A.; Zotter, P.; Prévôt, A. S. H.; Szidat, S.; Kleindienst, T. E.; Offenberg, J. H.; Ma, P. K.; Jimenez, J. L.

doi:https://doi.org/10.5194/acp-15-5773-2015

Articles | Volume 15, issue 10

https://doi.org/10.5194/acp-15-5773-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-5773-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 10

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, A. G. Carlton, K. R. Baker, R. Ahmadov, R. A. Washenfelder, S. Alvarez, B. Rappenglück, J. B. Gilman, W. C. Kuster, J. A. de Gouw, P. Zotter, A. S. H. Prévôt, S. Szidat, T. E. Kleindienst, J. H. Offenberg, P. K. Ma, and J. L. Jimenez

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Final revised paper (published on 26 May 2015)
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Preprint (discussion started on 20 Dec 2014)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC C11231: 'Anonymous Review', Anonymous Referee #1, 15 Jan 2015
- AC C13028: 'Response to reviewer 1', Patrick Hayes, 24 Apr 2015
RC C12494: 'Review of Hayes et al.', Anonymous Referee #2, 03 Mar 2015
- AC C13029: 'Response to reviewer 2', Patrick Hayes, 24 Apr 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Patrick Hayes on behalf of the Authors (24 Apr 2015) Author's response Manuscript

ED: Publish as is (27 Apr 2015) by Min Shao

AR by Patrick Hayes on behalf of the Authors (28 Apr 2015)

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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.