Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 7103–7123, 2020
https://doi.org/10.5194/acp-20-7103-2020
Atmos. Chem. Phys., 20, 7103–7123, 2020
https://doi.org/10.5194/acp-20-7103-2020

Research article 16 Jun 2020

Research article | 16 Jun 2020

Variability and past long-term changes of brominated very short-lived substances at the tropical tropopause

Susann Tegtmeier et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Susann Tegtmeier on behalf of the Authors (02 Apr 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (05 Apr 2020) by Jianzhong Ma
RR by Anonymous Referee #1 (18 Apr 2020)
ED: Publish subject to technical corrections (22 Apr 2020) by Jianzhong Ma
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Short summary
We investigate emissions of brominated gases from the ocean and their contribution to stratospheric ozone depletion. Once in the atmosphere, these gases usually break down in less than 6 months. Their impact on the ozone layer depends on the prevailing atmospheric circulation, since transport to the stratosphere requires uplift. We combine aircraft and ship observations with atmospheric modelling to analyse how, where, and when these gases are transported from the ocean into the stratosphere.
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