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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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anboyu Guo on behalf of the Authors (16 May 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (17 May 2018) by Ben Kravitz
RR by Anonymous Referee #1 (22 May 2018)
ED: Publish as is (26 May 2018) by Ben Kravitz
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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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