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ACP | Articles | Volume 19, issue 14
Atmos. Chem. Phys., 19, 9287–9308, 2019
https://doi.org/10.5194/acp-19-9287-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 9287–9308, 2019
https://doi.org/10.5194/acp-19-9287-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 19 Jul 2019

Research article | 19 Jul 2019

On the contribution of nocturnal heterogeneous reactive nitrogen chemistry to particulate matter formation during wintertime pollution events in Northern Utah

Erin E. McDuffie et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Erin E. McDuffie on behalf of the Authors (16 Jun 2019)  Author's response    Manuscript
ED: Publish as is (27 Jun 2019) by Yafang Cheng
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Short summary
Populated mountain basins, including the Salt Lake Valley (SLV) in Utah, suffer from wintertime stagnation events that trap emissions near the surface and cause fine particulate matter (PM2.5) concentrations to reach unhealthy levels. Previously limited by a lack of nighttime measurements, this study uses 2017 UWFPS aircraft campaign data, in combination with a box model, to show that nitrogen chemistry above the surface at night is a major source of PM2.5 during a wintertime event in the SLV.
Populated mountain basins, including the Salt Lake Valley (SLV) in Utah, suffer from wintertime...
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