Simulation of organic aerosol formation during the CalNex study: updated mobile emissions and secondary organic aerosol parameterization for intermediate-volatility organic compounds

Lu, Quanyang; Murphy, Benjamin N.; Qin, Momei; Adams, Peter J.; Zhao, Yunliang; Pye, Havala O. T.; Efstathiou, Christos; Allen, Chris; Robinson, Allen L.

doi:https://doi.org/10.5194/acp-20-4313-2020

Articles | Volume 20, issue 7

https://doi.org/10.5194/acp-20-4313-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-4313-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 7

Research article

|

14 Apr 2020

Research article |

| 14 Apr 2020

Simulation of organic aerosol formation during the CalNex study: updated mobile emissions and secondary organic aerosol parameterization for intermediate-volatility organic compounds

Quanyang Lu, Benjamin N. Murphy, Momei Qin, Peter J. Adams, Yunliang Zhao, Havala O. T. Pye, Christos Efstathiou, Chris Allen, and Allen L. Robinson

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Final revised paper (published on 14 Apr 2020)
Supplement to the final revised paper
Preprint (discussion started on 30 Oct 2019)
Supplement to the preprint

Interactive discussion

Status: closed

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

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RC1: 'Review', Anonymous Referee #1, 18 Dec 2019
RC2: 'comments', Anonymous Referee #2, 14 Jan 2020
AC1: 'Final Response', Quanyang Lu, 28 Feb 2020

Peer-review completion

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

AR by Quanyang Lu on behalf of the Authors (01 Mar 2020) Author's response Manuscript

ED: Publish as is (03 Mar 2020) by Manabu Shiraiwa

Post-review adjustments

AA: Author's adjustment | EA: Editor approval

AA by Quanyang Lu on behalf of the Authors (07 Apr 2020) Author's adjustment Manuscript

EA: Adjustments approved (07 Apr 2020) by Manabu Shiraiwa

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Short summary

This research work investigates organic aerosol formation in California during the CalNex study. We update the chemical transport model with the most recent mobile-source emission data and introduce a simple parameterization for secondary organic aerosol formed from intermediate-volatility organic compounds. Our results highlight the important contribution of IVOCs to SOA production in the Los Angeles region but underscore that other uncertainties must be addressed to close the SOA mass balance.