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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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The requested paper has a corresponding corrigendum published. Please read the corrigendum first before downloading the article.

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.
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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
Atmos. Chem. Phys., 19, 9287–9308, 2019
https://doi.org/10.5194/acp-19-9287-2019

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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Latest update: 20 Jan 2021
Publications Copernicus
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Notice on corrigendum

The requested paper has a corresponding corrigendum published. Please read the corrigendum first before downloading the article.

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.
Citation
Altmetrics
Final-revised paper
Preprint