Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 18, issue 12
Articles | Volume 18, issue 12
https://doi.org/10.5194/acp-18-8689-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-18-8689-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 12
Research article
 | 
20 Jun 2018
Research article |  | 20 Jun 2018

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

Anboyu Guo, John C. Moore, and Duoying Ji

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