Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 15
Articles | Volume 26, issue 15
https://doi.org/10.5194/acp-26-10979-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10979-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 15
Research article
 | 
06 Aug 2026
Research article |  | 06 Aug 2026

Confirming the minimal role of in-atmosphere production on the global HFC-23 budget using a 3D chemical and transport model

Ben Adam, Rayne Holland, Daniel Van Hoomissen, James B. Burkholder, M. Anwar H. Khan, Paul Griffiths, Jens Mühle, Dudley Shallcross, and Matt Rigby

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Latest update: 06 Aug 2026
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Short summary
Some man-made gases emitted into the atmosphere can break down to form a powerful greenhouse gas called HFC-23 (hydrofluorocarbons). In this study, we use a full three-dimensional model of the atmosphere and its chemistry to improve on previous work and determine how much HFC-23 is produced from this route. Our model estimates HFC-23 production ten times lower than previously suggested, confirming that this source is a very small contributor to the total amount of HFC-23 in the atmosphere.
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