Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 22
Articles | Volume 25, issue 22
https://doi.org/10.5194/acp-25-15683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-15683-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 22
Research article
 | 
17 Nov 2025
Research article |  | 17 Nov 2025

Missing wintertime methane emissions from New York City related to combustion

Luke D. Schiferl, Andrew Hallward-Driemeier, Yuwei Zhao, Ricardo Toledo-Crow, and Róisín Commane

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Short summary
Identifying and quantifying methane emissions from urban sources is important for mitigating climate change. Using 6 years of winter and spring observations, we found that methane emissions from New York City are highly variable and underestimated compared to inventories, especially in winter, and correlate well with emissions of carbon monoxide (CO). Our results suggest a common urban incomplete combustion source for both methane and CO currently missing from emissions inventories.
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