Articles | Volume 22, issue 5
Atmos. Chem. Phys., 22, 2999–3016, 2022
https://doi.org/10.5194/acp-22-2999-2022

Special issue: Resolving uncertainties in solar geoengineering through multi-model...

Atmos. Chem. Phys., 22, 2999–3016, 2022
https://doi.org/10.5194/acp-22-2999-2022
Research article
 | Highlight paper
07 Mar 2022
Research article  | Highlight paper | 07 Mar 2022

The impact of stratospheric aerosol intervention on the North Atlantic and Quasi-Biennial Oscillations in the Geoengineering Model Intercomparison Project (GeoMIP) G6sulfur experiment

Andy Jones et al.

Data sets

CMIP6 project data, WCRP (World Climate Research Programme) https://esgf-node.llnl.gov/projects/cmip6/

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Short summary
Simulations by six Earth-system models of geoengineering by introducing sulfuric acid aerosols into the tropical stratosphere are compared. A robust impact on the northern wintertime North Atlantic Oscillation is found, exacerbating precipitation reduction over parts of southern Europe. In contrast, the models show no consistency with regard to impacts on the Quasi-Biennial Oscillation, although results do indicate a risk that the oscillation could become locked into a permanent westerly phase.
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