Articles | Volume 18, issue 16
Atmos. Chem. Phys., 18, 11905–11925, 2018
https://doi.org/10.5194/acp-18-11905-2018

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

Atmos. Chem. Phys., 18, 11905–11925, 2018
https://doi.org/10.5194/acp-18-11905-2018

Research article 21 Aug 2018

Research article | 21 Aug 2018

Changes in clouds and thermodynamics under solar geoengineering and implications for required solar reduction

Rick D. Russotto and Thomas P. Ackerman

Model code and software

Analysis code for paper: Changes in clouds and thermodynamics under solar geoengineering and implications for required solar reduction R. Russotto https://doi.org/10.5281/zenodo.1328272

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Short summary
In simulations with different climate models in which the strength of the Sun is reduced to cancel the surface warming from a quadrupling of atmospheric carbon dioxide, low cloud cover decreases, high cloud cover increases, the upper troposphere and stratosphere cool, and water vapor concentration decreases. The stratospheric cooling and low cloud reduction result in more sunlight reduction being needed than originally thought.
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