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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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Volume 17, issue 7
Atmos. Chem. Phys., 17, 4871–4885, 2017
https://doi.org/10.5194/acp-17-4871-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

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

Atmos. Chem. Phys., 17, 4871–4885, 2017
https://doi.org/10.5194/acp-17-4871-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 13 Apr 2017

Research article | 13 Apr 2017

Is increasing ice crystal sedimentation velocity in geoengineering simulations a good proxy for cirrus cloud seeding?

Blaž Gasparini et al.
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR by Blaž Gasparini on behalf of the Authors (23 Mar 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (24 Mar 2017) by Ben Kravitz
Publications Copernicus
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Short summary
Cirrus clouds have, unlike other cloud types, a warming impact on climate. Decreasing their frequency therefore leads to a cooling effect. Cirrus ice crystals grow larger when formed on solid aerosols, inducing a shorter cloud lifetime. We compare simplified simulations of stripping cirrus out of the sky with simulations of seeding by aerosol injections. While we find the surface climate responses to be similar, the changes in clouds and cloud properties differ significantly.
Cirrus clouds have, unlike other cloud types, a warming impact on climate. Decreasing their...
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