Articles | Volume 26, issue 3
https://doi.org/10.5194/acp-26-2161-2026
https://doi.org/10.5194/acp-26-2161-2026
Research article
 | 
10 Feb 2026
Research article |  | 10 Feb 2026

Stratopause trends observed by satellite limb instruments

Kimberlee Dubé, Adam Bourassa, Susann Tegtmeier, Daniel Zawada, and Douglas Degenstein

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2025-5470', Anonymous Referee #1, 02 Jan 2026
  • RC2: 'Comment on egusphere-2025-5470', Anonymous Referee #2, 19 Jan 2026
  • AC1: 'Comment on egusphere-2025-5470', Kimberlee Dubé, 02 Feb 2026

Peer review completion

AR – Author's response | RR – Referee report | ED – Editor decision | EF – Editorial file upload
AR by Kimberlee Dubé on behalf of the Authors (02 Feb 2026)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (05 Feb 2026) by John Plane
AR by Kimberlee Dubé on behalf of the Authors (05 Feb 2026)  Author's response   Manuscript 
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Short summary
The stratopause, the boundary between the stratosphere and the mesosphere, is projected to cool and move lower in response to anthropogenic greenhouse gas emissions. We use observations from two satellite instruments to assess the annual and inter-annual variability and to quantify trends in the stratopause temperature and height. We find that the stratopause cooled by ~0.5–1 K per decade and that the tropical stratopause moved lower by 300–475 m per decade during 2005–2021.
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