Experimental protocol for phase 1 of the APARC QUOCA  (QUasibiennial oscillation and Ozone Chemistry  interactions in the Atmosphere) working group

Orbe, Clara; Ming, Alison; Chiodo, Gabriel; Prather, Michael; Diallo, Mohamadou; Tang, Qi; Chrysanthou, Andreas; Naoe, Hiroaki; Zhou, Xin; Thaler, Irina; Elsbury, Dillon; Bednarz, Ewa; Wright, Jonathon S.; Match, Aaron; Watanabe, Shingo; Anstey, James; Kerzenmacher, Tobias; Versick, Stefan; Marchand, Marion; Li, Feng; Keeble, James

doi:10.5194/gmd-19-773-2026

Articles | Volume 19, issue 2

https://doi.org/10.5194/gmd-19-773-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gmd-19-773-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 2

Model experiment description paper

|

23 Jan 2026

Model experiment description paper |

| 23 Jan 2026

Experimental protocol for phase 1 of the APARC QUOCA (QUasibiennial oscillation and Ozone Chemistry interactions in the Atmosphere) working group

Clara Orbe, Alison Ming, Gabriel Chiodo, Michael Prather, Mohamadou Diallo, Qi Tang, Andreas Chrysanthou, Hiroaki Naoe, Xin Zhou, Irina Thaler, Dillon Elsbury, Ewa Bednarz, Jonathon S. Wright, Aaron Match, Shingo Watanabe, James Anstey, Tobias Kerzenmacher, Stefan Versick, Marion Marchand, Feng Li, and James Keeble

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Cumulative views and downloads (calculated since 27 Jun 2025)

Month	HTML	PDF	XML	Total
Jun 2025	114	10	2	126
Jul 2025	324	44	28	396
Aug 2025	1,126	16	2	1,144
Sep 2025	3,692	34	22	3,748
Oct 2025	184	22	2	208
Nov 2025	244	40	8	292
Dec 2025	142	104	14	260
Jan 2026	303	131	13	447
Feb 2026	426	83	8	517
Mar 2026	279	62	11	352
Apr 2026	145	48	19	212
May 2026	184	56	17	257
Jun 2026	40	19	11	70
Jul 2026	210	26	7	243
Aug 2026	51	11	25	87

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Short summary

The quasi-biennial oscillation (QBO) is the main source of wind fluctuations in the tropical stratosphere, which can couple to surface climate. However, models do a poor job of simulating the QBO in the lower stratosphere, for reasons that remain unclear. One possibility is that models do not completely represent how ozone influences the QBO-associated wind variations. Here we propose a multi-model framework for assessing how ozone influences the QBO in recent past and future climates.