Preprints
https://doi.org/10.5194/egusphere-2024-1927
https://doi.org/10.5194/egusphere-2024-1927
03 Jul 2024
 | 03 Jul 2024

Disentangling the chemistry and transport impacts of the Quasi-Biennial Oscillation on stratospheric ozone

Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang

Abstract. The quasi-biennial oscillation (QBO) in tropical winds perturbs stratospheric ozone throughout much of the atmosphere via changes in transport of ozone and other trace gases and via temperature changes that alter chemical processes. Here we separate the temperature-driven changes using the Department of Energy’s Energy Exascale Earth System Model version 2 (E3SMv2) with linearized stratospheric ozone chemistry. E3SM produces a natural QBO cycle in winds, temperature, and ozone. Our analysis defines climatological QBO patterns of ozone for the period 1979–2020 using both nonlinear principal component analysis and monthly composites centered on QBO phase shift. As a climate model, E3SM cannot predict the timing of the phase shift, but it does match these climatological patterns. We develop an offline version of our stratospheric chemistry module to calculate the steady-state response of ozone to temperature and overhead ozone perturbations, assuming that other chemical families involved in ozone chemistry remain fixed. We find a clear demarcation: ozone perturbations in the upper stratosphere (above 20-hPa) are predicted by the steady-state response of the ozone column to the temperature changes; while those in the lower stratosphere show no temperature response and are presumably driven by circulation changes. These results are important for diagnosing model-model differences in the QBO-ozone responses for climate projections.

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Journal article(s) based on this preprint

27 Aug 2025
Disentangling the chemistry and transport impacts of the quasi-biennial oscillation on stratospheric ozone
Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang
Atmos. Chem. Phys., 25, 9315–9333, https://doi.org/10.5194/acp-25-9315-2025,https://doi.org/10.5194/acp-25-9315-2025, 2025
Short summary
Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-1927', Anonymous Referee #1, 29 Jul 2024
    • AC1: 'Reply on RC1', Jinbo Xie, 29 Jan 2025
  • RC2: 'Comment on egusphere-2024-1927', Anonymous Referee #2, 07 Aug 2024
    • AC2: 'Reply on RC2', Jinbo Xie, 29 Jan 2025

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-1927', Anonymous Referee #1, 29 Jul 2024
    • AC1: 'Reply on RC1', Jinbo Xie, 29 Jan 2025
  • RC2: 'Comment on egusphere-2024-1927', Anonymous Referee #2, 07 Aug 2024
    • AC2: 'Reply on RC2', Jinbo Xie, 29 Jan 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
AR by Jinbo Xie on behalf of the Authors (29 Jan 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (30 Jan 2025) by Farahnaz Khosrawi
RR by Anonymous Referee #1 (11 Feb 2025)
ED: Reconsider after major revisions (17 Feb 2025) by Farahnaz Khosrawi
AR by Jinbo Xie on behalf of the Authors (26 Mar 2025)
EF by Katja Gänger (28 Mar 2025)
EF by Vitaly Muravyev (03 Apr 2025)  Manuscript   Author's response   Author's tracked changes 
ED: Referee Nomination & Report Request started (07 Apr 2025) by Farahnaz Khosrawi
RR by Anonymous Referee #1 (16 Apr 2025)
ED: Publish subject to technical corrections (22 Apr 2025) by Farahnaz Khosrawi
AR by Jinbo Xie on behalf of the Authors (22 Apr 2025)  Author's response   Manuscript 

Journal article(s) based on this preprint

27 Aug 2025
Disentangling the chemistry and transport impacts of the quasi-biennial oscillation on stratospheric ozone
Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang
Atmos. Chem. Phys., 25, 9315–9333, https://doi.org/10.5194/acp-25-9315-2025,https://doi.org/10.5194/acp-25-9315-2025, 2025
Short summary
Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang
Jinbo Xie, Qi Tang, Michael Prather, Jadwiga Richter, and Shixuan Zhang

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Short summary
Analysis of the interaction between the climate and ozone in the stratosphere is complicated by the in-ability climate model in simulating the Quasi-Biennial Oscillation (QBO) – an important climate mode in the stratosphere. We use a set of model simulation that realistically simulate QBO and a novel ozone diagnostic tool to separate the temperature and circulation-driven QBO impact. These are important for diagnosing model-model differences in the QBO-ozone responses for climate projections.
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