Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 20, issue 14
Articles | Volume 20, issue 14
https://doi.org/10.5194/acp-20-8975-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-8975-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 14
Research article
 | 
29 Jul 2020
Research article |  | 29 Jul 2020

Differing responses of the quasi-biennial oscillation to artificial SO2 injections in two global models

Ulrike Niemeier, Jadwiga H. Richter, and Simone Tilmes

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Short summary
Artificial injections of SO2 into the tropical stratosphere show an impact on the quasi-biennial oscillation (QBO). Different numerical models show only qualitatively but not quantitatively consistent impacts. We show for two models that the response of the QBO is similar when a similar stratospheric heating rate is induced by SO2 injections of different amounts. The reason is very different vertical advection in the two models resulting in different aerosol burden and heating of the aerosols.
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