Stratospheric ozone and quasi-biennial oscillation (QBO) interaction with the tropical troposphere on intraseasonal and interannual timescales: a normal-mode perspective

Raphaldini, Breno; Teruya, André S. W.; Leite da Silva Dias, Pedro; Massaroppe, Lucas; Takahashi, Daniel Yasumasa

doi:https://doi.org/10.5194/esd-12-83-2021

Articles | Volume 12, issue 1

https://doi.org/10.5194/esd-12-83-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/esd-12-83-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 1

Research article

|

18 Jan 2021

Research article |

| 18 Jan 2021

Stratospheric ozone and quasi-biennial oscillation (QBO) interaction with the tropical troposphere on intraseasonal and interannual timescales: a normal-mode perspective

Breno Raphaldini, André S. W. Teruya, Pedro Leite da Silva Dias, Lucas Massaroppe, and Daniel Yasumasa Takahashi

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https://doi.org/10.5194/esd-12-83-2021-supplement

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Stratospheric Ozone and Quasi-Biennial Oscillation (QBO) interaction with the tropical troposphere on intraseasonal and interannual timescales: a normal-mode perspective B. Raphaldini, A. S. Teruya, P. L. S. Dias, D. Y. Takahashi, and L. Massaroppe https://doi.org/10.5281/zenodo.4437766

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Short summary

Several recent studies suggest a modulation of the Madden–Julian oscillation (MJO) by the quasi-biennial oscillation (QBO). The physics behind this interaction, however, remain poorly understood. In this study, we investigated the QBO–MJO interaction and the role of stratospheric ozone as a forcing mechanism. A normal-mode decomposition procedure combined with causality analysis reveals significant interactions between MJO-related modes and QBO-related modes.