Airborne and ground-based observations of ammonium-nitrate-dominated aerosols in a shallow boundary layer during intense winter pollution episodes in northern Utah

Franchin, Alessandro; Fibiger, Dorothy L.; Goldberger, Lexie; McDuffie, Erin E.; Moravek, Alexander; Womack, Caroline C.; Crosman, Erik T.; Docherty, Kenneth S.; Dube, William P.; Hoch, Sebastian W.; Lee, Ben H.; Long, Russell; Murphy, Jennifer G.; Thornton, Joel A.; Brown, Steven S.; Baasandorj, Munkhbayar; Middlebrook, Ann M.

doi:https://doi.org/10.5194/acp-18-17259-2018

Articles | Volume 18, issue 23

https://doi.org/10.5194/acp-18-17259-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-17259-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 23

Research article

|

06 Dec 2018

Research article |

| 06 Dec 2018

Airborne and ground-based observations of ammonium-nitrate-dominated aerosols in a shallow boundary layer during intense winter pollution episodes in northern Utah

Alessandro Franchin, Dorothy L. Fibiger, Lexie Goldberger, Erin E. McDuffie, Alexander Moravek, Caroline C. Womack, Erik T. Crosman, Kenneth S. Docherty, William P. Dube, Sebastian W. Hoch, Ben H. Lee, Russell Long, Jennifer G. Murphy, Joel A. Thornton, Steven S. Brown, Munkhbayar Baasandorj, and Ann M. Middlebrook

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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 Franchin et al', Anonymous Referee #1, 27 Sep 2018
- AC1: 'Response to Referee#1', Alessandro Franchin, 04 Nov 2018
RC2: 'acp-2018-629 Airborne and ground-based observations of ammonium nitrate dominated aerosols in a shallow boundary layer during intense winter pollution episodes in northern Utah, A. Franchin et al.', Anonymous Referee #2, 07 Oct 2018
- AC2: 'Response to Referee#2', Alessandro Franchin, 04 Nov 2018

Peer-review completion

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

AR by Alessandro Franchin on behalf of the Authors (04 Nov 2018) Author's response Manuscript

ED: Publish subject to technical corrections (15 Nov 2018) by Joachim Curtius

AR by Alessandro Franchin on behalf of the Authors (16 Nov 2018) Author's response Manuscript

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Short summary

We present the results of aerosol and trace gas measurements from airborne and ground-based platforms. The measurements took place in January–February 2017 in northern Utah as part of the Utah Winter Fine Particulate Study (UWFPS). We characterized the chemical composition of PM₁ on a regional scale, also probing the vertical dimension. We used a thermodynamic model to study the effectiveness of limiting total ammonium or total nitrate as a strategy to control aerosol concentrations.