Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 24, issue 21
Articles | Volume 24, issue 21
https://doi.org/10.5194/acp-24-12425-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-12425-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 21
Research article
 | 
11 Nov 2024
Research article |  | 11 Nov 2024

Age of air from in situ trace gas measurements: insights from a new technique

Eric A. Ray, Fred L. Moore, Hella Garny, Eric J. Hintsa, Bradley D. Hall, Geoff S. Dutton, David Nance, James W. Elkins, Steven C. Wofsy, Jasna Pittman, Bruce Daube, Bianca C. Baier, Jianghanyang Li, and Colm Sweeney

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Latest update: 17 Aug 2025
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Short summary
In this study we describe new techniques to derive age of air from multiple simultaneous measurements of long-lived trace gases in order to improve the fidelity of the age-of-air estimates and to be able to compare age of air from measurements taken from different instruments, platforms and decades.  This technique also allows new transport information to be obtained from the measurements such as the primary source latitude that can also be compared to models. 
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