Articles | Volume 18, issue 12
Atmos. Chem. Phys., 18, 8689–8706, 2018
https://doi.org/10.5194/acp-18-8689-2018

Special issue: The Geoengineering Model Intercomparison Project (GeoMIP):...

Atmos. Chem. Phys., 18, 8689–8706, 2018
https://doi.org/10.5194/acp-18-8689-2018

Research article 20 Jun 2018

Research article | 20 Jun 2018

Tropical atmospheric circulation response to the G1 sunshade geoengineering radiative forcing experiment

Anboyu Guo et al.

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Short summary
This is an examination of both the zonal and meridional tropical circulations under G1 geoengineering using eight ESMs. Drivers of the changes are examined, with meridional temperature gradient being the dominant factor. The Hadley circulation is changed under G1 differently for each hemisphere, but changes are small compared with abrupt4xCO2. Changes in the Walker circulation are subtle but potentially important in some regions, and ENSO impacts circulations only slightly differently under G1.
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