Articles | Volume 22, issue 7
Atmos. Chem. Phys., 22, 4581–4597, 2022
https://doi.org/10.5194/acp-22-4581-2022

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

Atmos. Chem. Phys., 22, 4581–4597, 2022
https://doi.org/10.5194/acp-22-4581-2022
Research article
08 Apr 2022
Research article | 08 Apr 2022

Impacts of three types of solar geoengineering on the Atlantic Meridional Overturning Circulation

Mengdie Xie et al.

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Latest update: 08 Aug 2022
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Short summary
We use data from six Earth system models to estimate Atlantic meridional overturning circulation (AMOC) changes and its drivers under four different solar geoengineering methods. Solar dimming seems relatively more effective than marine cloud brightening or stratospheric aerosol injection at reversing greenhouse-gas-driven declines in AMOC. Geoengineering-induced AMOC amelioration is due to better maintenance of air–sea temperature differences and reduced loss of Arctic summer sea ice.
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