Articles | Volume 17, issue 23
https://doi.org/10.5194/acp-17-14631-2017
https://doi.org/10.5194/acp-17-14631-2017
Research article
 | 
07 Dec 2017
Research article |  | 07 Dec 2017

Diurnal variations of BrONO2 observed by MIPAS-B at midlatitudes and in the Arctic

Gerald Wetzel, Hermann Oelhaf, Michael Höpfner, Felix Friedl-Vallon, Andreas Ebersoldt, Thomas Gulde, Sebastian Kazarski, Oliver Kirner, Anne Kleinert, Guido Maucher, Hans Nordmeyer, Johannes Orphal, Roland Ruhnke, and Björn-Martin Sinnhuber

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Latest update: 18 Apr 2024
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Short summary
We report the first stratospheric measurements of the diurnal variation in the inorganic bromine (Bry) reservoir species BrONO2 around sunrise and sunset. The main goal of these observations was to check the current understanding of stratospheric bromine chemistry and to estimate the amount of lower-stratospheric Bry. The calculated temporal variation in BrONO2 largely reproduces the balloon-borne observations. The amount of Bry was estimated to be about 21–25 pptv in the lower stratosphere.
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