Articles | Volume 21, issue 5
https://doi.org/10.5194/acp-21-3317-2021
https://doi.org/10.5194/acp-21-3317-2021
Research article
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04 Mar 2021
Research article | Highlight paper |  | 04 Mar 2021

Model physics and chemistry causing intermodel disagreement within the VolMIP-Tambora Interactive Stratospheric Aerosol ensemble

Margot Clyne, Jean-Francois Lamarque, Michael J. Mills, Myriam Khodri, William Ball, Slimane Bekki, Sandip S. Dhomse, Nicolas Lebas, Graham Mann, Lauren Marshall, Ulrike Niemeier, Virginie Poulain, Alan Robock, Eugene Rozanov, Anja Schmidt, Andrea Stenke, Timofei Sukhodolov, Claudia Timmreck, Matthew Toohey, Fiona Tummon, Davide Zanchettin, Yunqian Zhu, and Owen B. Toon

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Cited articles

Alhoneimi, E., Himberg, J., Parhankangas, J., and Vesanto, J.: SOM Toolbox, Laboratory of Information and Computer Science, available at: http://www.cis.hut.fi/somtoolbox/ (last access: 19 December 2020), 2005. 
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Bekki, S., Toumi, R., and Pyle, J. A.: Role of sulphur photochemistry in tropical ozone changes after the eruption of Mount Pinatubo, Nature, 362, 331–333, https://doi.org/10.1038/362331a0, 1993. 
Bekki, S., Pyle, J. A., Zhong, W., Toumi, R., Haigh, J. D., and Pyle, D. M.: The role of microphysical and chemical processes in prolonging the climate forcing of the Toba eruption, Geophys. Res. Lett., 23, 2669–2672, https://doi.org/10.1029/96GL02088, 1996. 
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This study finds how and why five state-of-the-art global climate models with interactive stratospheric aerosols differ when simulating the aftermath of large volcanic injections as part of the Model Intercomparison Project on the climatic response to Volcanic forcing (VolMIP). We identify and explain the consequences of significant disparities in the underlying physics and chemistry currently in some of the models, which are problems likely not unique to the models participating in this study.
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