Articles | Volume 15, issue 20
Atmos. Chem. Phys., 15, 11835–11859, 2015
https://doi.org/10.5194/acp-15-11835-2015
Atmos. Chem. Phys., 15, 11835–11859, 2015
https://doi.org/10.5194/acp-15-11835-2015

Research article 26 Oct 2015

Research article | 26 Oct 2015

Solar geoengineering using solid aerosol in the stratosphere

D. K. Weisenstein et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Debra Weisenstein on behalf of the Authors (25 Aug 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (26 Aug 2015) by Farahnaz Khosrawi
RR by Anonymous Referee #1 (31 Aug 2015)
RR by Anonymous Referee #2 (25 Sep 2015)
ED: Reconsider after minor revisions (Editor review) (25 Sep 2015) by Farahnaz Khosrawi
AR by Debra Weisenstein on behalf of the Authors (07 Oct 2015)  Author's response    Manuscript
ED: Publish as is (14 Oct 2015) by Farahnaz Khosrawi
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Short summary
We investigate stratospheric aerosol geoengineering with solid particle injection by modeling the fractal structure of alumina aerosols and their interaction with background sulfate. We analyze the efficacy (W m^-2 of radiative forcing per megaton of injection) and risks (ozone loss, s) for both alumina and diamond particles as a function of injected monomer radius, finding 240nm alumina and 160nm diamond optimal. We discuss the limitations of our 2-D model study and associated uncertainties.
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