Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 14
Articles | Volume 26, issue 14
https://doi.org/10.5194/acp-26-10287-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10287-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 14
Research article
 | 
23 Jul 2026
Research article |  | 23 Jul 2026

Hydrocarbon and carbonyl contributions to wintertime ozone formation in the Uinta Basin, Utah

Loknath Dhar and Seth N. Lyman

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Short summary
We studied unusual winter air pollution in Utah's Uinta Basin, where ozone levels exceed safety standards despite cold temperatures. Using an air quality model, we found hydrocarbon compounds from oil and gas operations transform into formaldehyde and other chemicals during winter photochemical events. Light alkanes were the biggest contributors to pollution formation. Understanding these mechanisms helps identify compounds to target for emission reductions in oil and gas regions.
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