Articles | Volume 18, issue 14
https://doi.org/10.5194/acp-18-10133-2018
https://doi.org/10.5194/acp-18-10133-2018
Research article
 | 
17 Jul 2018
Research article |  | 17 Jul 2018

Extreme temperature and precipitation response to solar dimming and stratospheric aerosol geoengineering

Duoying Ji, Songsong Fang, Charles L. Curry, Hiroki Kashimura, Shingo Watanabe, Jason N. S. Cole, Andrew Lenton, Helene Muri, Ben Kravitz, and John C. Moore

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Cited articles

Allen, M. and Ingram, W.: Constraints on future changes in climate and the hydrologic cycle, Nature, 419, 224–232, 2002. 
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Aswathy, V. N., Boucher, O., Quaas, M., Niemeier, U., Muri, H., Mülmenstädt, J., and Quaas, J.: Climate extremes in multi-model simulations of stratospheric aerosol and marine cloud brightening climate engineering, Atmos. Chem. Phys., 15, 9593–9610, https://doi.org/10.5194/acp-15-9593-2015, 2015. 
Bala, G., Duffy, P. B., and Taylor, K. E.: Impact of geoengineering schemes on the global hydrological cycle, P. Natl. Acad. Sci. USA, 105,7664–7669, https://doi.org/10.1073/pnas.0711648105, 2008. 
Berdahl, M., Robock, A., Ji, D., Moore, J., Jones, A., Kravitz, B., and Watanabe, S.: Arctic cryosphere response in the Geoengineering Model Intercomparison Project (GeoMIP) G3 and G4 scenarios, J. Geophys. Res.-Atmos., 119, 1308–1321, https://doi.org/10.1002/2013JD020627, 2014. 
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Short summary
We examine extreme temperature and precipitation under climate-model-simulated solar dimming and stratospheric aerosol injection geoengineering schemes. Both types of geoengineering lead to lower minimum temperatures at higher latitudes and greater cooling of minimum temperatures and maximum temperatures over land compared with oceans. Stratospheric aerosol injection is more effective in reducing tropical extreme precipitation, while solar dimming is more effective over extra-tropical regions.
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