Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 17259–17276, 2018
https://doi.org/10.5194/acp-18-17259-2018
Atmos. Chem. Phys., 18, 17259–17276, 2018
https://doi.org/10.5194/acp-18-17259-2018

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 et al.

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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.
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