Articles | Volume 11, issue 7
Geosci. Model Dev., 11, 2609–2632, 2018
https://doi.org/10.5194/gmd-11-2609-2018
Geosci. Model Dev., 11, 2609–2632, 2018
https://doi.org/10.5194/gmd-11-2609-2018

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 et al.

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