Articles | Volume 17, issue 14
https://doi.org/10.5194/amt-17-4507-2024
https://doi.org/10.5194/amt-17-4507-2024
Research article
 | 
29 Jul 2024
Research article |  | 29 Jul 2024

A novel, balloon-borne UV–Vis spectrometer for direct sun measurements of stratospheric bromine

Karolin Voss, Philip Holzbeck, Klaus Pfeilsticker, Ralph Kleinschek, Gerald Wetzel, Blanca Fuentes Andrade, Michael Höpfner, Jörn Ungermann, Björn-Martin Sinnhuber, and André Butz

Data sets

balloon-borne solar occultation DOAS instrument: balloon-borne experiments, atmospheric compounds measurements Karolin Voss https://doi.org/10.25326/XYCR-8C53

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Short summary
A novel balloon-borne instrument for direct sun and solar occultation measurements of several UV–Vis absorbing gases (e.g. O3, NO2, BrO, IO, and HONO) is described. Its major design features and performance during two stratospheric deployments are discussed. From the measured overhead BrO concentration and a suitable photochemical correction, total stratospheric bromine is inferred to (17.5 ± 2.2) ppt in air masses which entered the stratosphere around early 2017 ± 1 year.