Articles | Volume 15, issue 20
https://doi.org/10.5194/acp-15-11835-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-11835-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Solar geoengineering using solid aerosol in the stratosphere
D. K. Weisenstein
CORRESPONDING AUTHOR
School of Engineering and Applied Science, Harvard University, Cambridge, MA, USA
D. W. Keith
School of Engineering and Applied Science, Harvard University, Cambridge, MA, USA
Kennedy School of Government, Harvard University, Cambridge, MA, USA
J. A. Dykema
School of Engineering and Applied Science, Harvard University, Cambridge, MA, USA
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- Heterogeneous reaction of ClONO<sub>2</sub> with TiO<sub>2</sub> and SiO<sub>2</sub> aerosol particles: implications for stratospheric particle injection for climate engineering M. Tang et al. 10.5194/acp-16-15397-2016
- Stratospheric solar geoengineering without ozone loss D. Keith et al. 10.1073/pnas.1615572113
- The Engineering of Climate Engineering D. MacMartin & B. Kravitz 10.1146/annurev-control-053018-023725
- Sensitivity of the radiative forcing by stratospheric sulfur geoengineering to the amount and strategy of the SO<sub>2</sub>injection studied with the LMDZ-S3A model C. Kleinschmitt et al. 10.5194/acp-18-2769-2018
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- Governance of Highly Decentralized Nonstate Actors: The Case of Solar Geoengineering J. Reynolds & G. Wagner 10.2139/ssrn.3471699
- Aerosol Dynamics in the Near Field of the SCoPEx Stratospheric Balloon Experiment C. Golja et al. 10.1029/2020JD033438
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- Interactions of Water with Mineral Dust Aerosol: Water Adsorption, Hygroscopicity, Cloud Condensation, and Ice Nucleation M. Tang et al. 10.1021/acs.chemrev.5b00529
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- Response of Surface Ultraviolet and Visible Radiation to Stratospheric SO2 Injections S. Madronich et al. 10.3390/atmos9110432
- Spectroscopic Characterization of HSO2• and HOSO• Intermediates Involved in SO2 Geoengineering B. Lu et al. 10.1021/acs.jpca.1c09311
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- Sulfur in the Sky with Diamonds: An Inquiry into the Feasibility of Solar Geoengineering M. Grasso 10.1111/1758-5899.12646
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- Climate engineering and the ocean: effects on biogeochemistry and primary production S. Lauvset et al. 10.5194/bg-14-5675-2017
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- Quantifying the temperature-independent effect of stratospheric aerosol geoengineering on global-mean precipitation in a multi-model ensemble A. Ferraro & H. Griffiths 10.1088/1748-9326/11/3/034012
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- Towards a comprehensive climate impacts assessment of solar geoengineering P. Irvine et al. 10.1002/2016EF000389
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- Solar geoengineering reduces atmospheric carbon burden D. Keith et al. 10.1038/nclimate3376
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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.
We investigate stratospheric aerosol geoengineering with solid particle injection by modeling...
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