Global mean cloud feedbacks in idealized climate change experiments

Mark A. Ringer, B. J. McAvaney, N. Andronova, L. E. Buja, M. Esch, W. J. Ingram, B. Li, J. Quass, E. Roeckner, C. A. Senior, Brian J Soden, E. M. Volodin, M. J. Webb, K. D. Williams

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Global mean cloud feedbacks in ten atmosphere-only climate models are estimated in perturbed sea surface temperature (SST) experiments and the results compared to doubled CO2 experiments using mixed-layer ocean versions of these same models. The cloud feedbacks in any given model are generally not consistent: the sign of the net cloud radiative feedback may vary according to the experimental design. However, both sets of experiments indicate that the variation of the total climate feedback across the models depends primarily on the variation of the net cloud feedback. Changes in different cloud types show much greater consistency between the two experiments for any individual model and amongst the set of models analyzed here. This suggests that the SST perturbation experiments may provide useful information on the processes associated with cloud changes which is not evident when analysis is restricted to feedbacks defined in terms of the change in cloud radiative forcing.

Original languageEnglish (US)
Article numberL07718
JournalGeophysical Research Letters
Volume33
Issue number7
DOIs
StatePublished - Apr 16 2006

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climate change
experiment
sea surface temperature
cloud radiative forcing
climate feedback
radiative forcing
climate models
experimental design
mixed layer
climate modeling
climate
perturbation
oceans
atmosphere
atmospheres
ocean

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Ringer, M. A., McAvaney, B. J., Andronova, N., Buja, L. E., Esch, M., Ingram, W. J., ... Williams, K. D. (2006). Global mean cloud feedbacks in idealized climate change experiments. Geophysical Research Letters, 33(7), [L07718]. https://doi.org/10.1029/2005GL025370

Global mean cloud feedbacks in idealized climate change experiments. / Ringer, Mark A.; McAvaney, B. J.; Andronova, N.; Buja, L. E.; Esch, M.; Ingram, W. J.; Li, B.; Quass, J.; Roeckner, E.; Senior, C. A.; Soden, Brian J; Volodin, E. M.; Webb, M. J.; Williams, K. D.

In: Geophysical Research Letters, Vol. 33, No. 7, L07718, 16.04.2006.

Research output: Contribution to journalArticle

Ringer, MA, McAvaney, BJ, Andronova, N, Buja, LE, Esch, M, Ingram, WJ, Li, B, Quass, J, Roeckner, E, Senior, CA, Soden, BJ, Volodin, EM, Webb, MJ & Williams, KD 2006, 'Global mean cloud feedbacks in idealized climate change experiments', Geophysical Research Letters, vol. 33, no. 7, L07718. https://doi.org/10.1029/2005GL025370
Ringer MA, McAvaney BJ, Andronova N, Buja LE, Esch M, Ingram WJ et al. Global mean cloud feedbacks in idealized climate change experiments. Geophysical Research Letters. 2006 Apr 16;33(7). L07718. https://doi.org/10.1029/2005GL025370
Ringer, Mark A. ; McAvaney, B. J. ; Andronova, N. ; Buja, L. E. ; Esch, M. ; Ingram, W. J. ; Li, B. ; Quass, J. ; Roeckner, E. ; Senior, C. A. ; Soden, Brian J ; Volodin, E. M. ; Webb, M. J. ; Williams, K. D. / Global mean cloud feedbacks in idealized climate change experiments. In: Geophysical Research Letters. 2006 ; Vol. 33, No. 7.
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