Articles | Volume 16, issue 24
Atmos. Chem. Phys., 16, 15789–15799, 2016

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

Atmos. Chem. Phys., 16, 15789–15799, 2016

Research article 22 Dec 2016

Research article | 22 Dec 2016

Dynamic climate emulators for solar geoengineering

Douglas G. MacMartin and Ben Kravitz

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Harnessing Stratospheric Diffusion Barriers for Enhanced Climate Geoengineering
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Comparing different generations of idealized solar geoengineering simulations in the Geoengineering Model Intercomparison Project (GeoMIP)
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Cited articles

Andrews, T., Forster, P. M., Boucher, O., Bellouin, N., and Jones, A.: Precipitation, radiative forcing and global temperature change, Geophys. Res. Lett., 37, L14701,, 2010.
Aquila, V., Garfinkel, C. I., Newman, P. A., Oman, L. D., and Waugh, D. W.: Modifications of the quasi-biennial oscillation by a geoengineering perturbation of the stratospheric aerosol layer, Geophys. Res. Lett., 41, 1738–1744,, 2014.
Åström, K. J. and Murray, R. M.: Analysis and Design of Feedback Systems, Princeton University Press, Princeton, NJ, USA, 2008.
Bala, G., Caldeira, K., and Nemani, R.: Fast versus slow response in climate change: implications for the global hydrological cycle, Clim. Dynam., 35, 423–434, 2010.
Bouttes, N., Good, P., Gregory, J. M., and Lowe, J. A.: Nonlinearity of ocean heat uptake during warming and cooling in the FAMOUS climate model, Geophys. Res. Lett., 42, 2409–2416, 2015.
Short summary
Solar geoengineering has been proposed as a possible additional approach for managing risks of climate change, by reflecting some sunlight back to space. To project climate effects resulting from future choices regarding both greenhouse gas emissions and solar geoengineering, it is useful to have a computationally efficient "emulator" that approximates the behavior of more complex climate models. We present such an emulator here, and validate the underlying assumption of linearity.
Final-revised paper