Predicting secondary organic aerosol phase state and viscosity and its effect on multiphase chemistry in a regional-scale air quality model

Schmedding, Ryan; Rasool, Quazi Z.; Zhang, Yue; Pye, Havala O. T.; Zhang, Haofei; Chen, Yuzhi; Surratt, Jason D.; Lopez-Hilfiker, Felipe D.; Thornton, Joel A.; Goldstein, Allen H.; Vizuete, William

doi:https://doi.org/10.5194/acp-20-8201-2020

Articles | Volume 20, issue 13

https://doi.org/10.5194/acp-20-8201-2020

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

https://doi.org/10.5194/acp-20-8201-2020

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

Articles | Volume 20, issue 13

Research article

|

16 Jul 2020

Research article |

| 16 Jul 2020

Predicting secondary organic aerosol phase state and viscosity and its effect on multiphase chemistry in a regional-scale air quality model

Ryan Schmedding, Quazi Z. Rasool, Yue Zhang, Havala O. T. Pye, Haofei Zhang, Yuzhi Chen, Jason D. Surratt, Felipe D. Lopez-Hilfiker, Joel A. Thornton, Allen H. Goldstein, and William Vizuete

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Final revised paper (published on 16 Jul 2020)
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Preprint (discussion started on 07 Nov 2019)
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Interactive discussion

Status: closed

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

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RC1: 'Review of Schmedding et al.', Anonymous Referee #1, 07 Dec 2019
- SC1: 'request to clarify on comments by Anonymous reviewer #`1 (RC1) on panel and/or colorbar labels missing in Figs. 2, 7(B,C) , 8 and 10', Quazi Rasool, 23 Dec 2019
  - RC2: 'Panel labels', Anonymous Referee #1, 23 Dec 2019
RC3: 'Review #2 of Schmedding et al.', Anonymous Referee #2, 26 Jan 2020
AC1: 'Final Author Comments (AC) in response to to all referee comments (RCs)', William Vizuete, 07 Mar 2020

Peer-review completion

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

AR by William Vizuete on behalf of the Authors (07 Mar 2020) Manuscript

ED: Referee Nomination & Report Request started (27 Mar 2020) by Yafang Cheng

RR by Anonymous Referee #2 (15 Apr 2020)

ED: Reconsider after major revisions (17 Apr 2020) by Yafang Cheng

AR by William Vizuete on behalf of the Authors (29 May 2020) Manuscript

ED: Publish as is (14 Jun 2020) by Yafang Cheng

AR by William Vizuete on behalf of the Authors (18 Jun 2020)

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Short summary

Accurate model prediction of aerosol concentrations is a known challenge. It is assumed in many modeling systems that aerosols are in a homogeneously mixed phase state. It has been observed that aerosols do phase separate and can form a highly viscous organic shell with an aqueous core impacting the formation processes of aerosols. This work is a model implementation to determine an aerosol's phase state using glass transition temperature and aerosol composition.