GEM-MACH-PAH (rev2488): a new high-resolution chemical transport model for North American polycyclic aromatic hydrocarbons and benzene

Whaley, Cynthia H.; Galarneau, Elisabeth; Makar, Paul A.; Akingunola, Ayodeji; Gong, Wanmin; Gravel, Sylvie; Moran, Michael D.; Stroud, Craig; Zhang, Junhua; Zheng, Qiong

doi:https://doi.org/10.5194/gmd-11-2609-2018

Articles | Volume 11, issue 7

https://doi.org/10.5194/gmd-11-2609-2018

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

https://doi.org/10.5194/gmd-11-2609-2018

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

Articles | Volume 11, issue 7

Development and technical paper

|

06 Jul 2018

Development and technical paper |

| 06 Jul 2018

GEM-MACH-PAH (rev2488): a new high-resolution chemical transport model for North American polycyclic aromatic hydrocarbons and benzene

Cynthia H. Whaley, Elisabeth Galarneau, Paul A. Makar, Ayodeji Akingunola, Wanmin Gong, Sylvie Gravel, Michael D. Moran, Craig Stroud, Junhua Zhang, and Qiong Zheng

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Final revised paper (published on 06 Jul 2018)
Supplement to the final revised paper
Preprint (discussion started on 31 Jan 2018)
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: 'Referee Comment', Anonymous Referee #1, 26 Mar 2018
- AC1: 'Response to reviewer #1', Cynthia Whaley, 08 May 2018
RC2: 'Review of Whaley et al.', Anonymous Referee #2, 18 Jun 2018
- AC2: 'Author's response to reviewer #2', Cynthia Whaley, 21 Jun 2018

Peer-review completion

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

AR by Cynthia Whaley on behalf of the Authors (21 Jun 2018) Author's response Manuscript

ED: Publish as is (27 Jun 2018) by Astrid Kerkweg

AR by Cynthia Whaley on behalf of the Authors (27 Jun 2018) Author's response Manuscript

Short summary

We present a new, high-resolution, North American model of PAHs and benzene, which are toxic air pollutants that cause a variety of negative health impacts. Our simulation in a densely populated region of Canada and the U.S. shows that the model is improved over a previous model. The new model is particularly refined regarding the gas–particle partitioning of these pollutants, which has impacts on deposition and inhalation. The simulation was sensitive to the selection of vehicle emissions.