Articles | Volume 18, issue 16
https://doi.org/10.5194/amt-18-4087-2025
https://doi.org/10.5194/amt-18-4087-2025
Research article
 | 
29 Aug 2025
Research article |  | 29 Aug 2025

Vertical distribution of halogenated trace gases in the summer Arctic stratosphere based on two independent air sampling methods

Johannes C. Laube, Tanja J. Schuck, Sophie Baartman, Huilin Chen, Markus Geldenhuys, Steven van Heuven, Timo Keber, Maria Elena Popa, Elinor Tuffnell, Florian Voet, Bärbel Vogel, Thomas Wagenhäuser, Alessandro Zanchetta, and Andreas Engel

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Short summary
A large balloon was launched in summer 2021 in the Arctic to carry instruments for trace gas measurements up to 32 km, above the reach of aircraft. The main aims were to evaluate different techniques and atmospheric processes. We focus on halogenated greenhouse gases and ozone-depleting substances. For this, air was collected with the AirCore technique and a cryogenic air sampler and measured after the flight. A companion paper reports observations of major greenhouse gases.
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