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Sea-ice climatology and response

PI: Gregory M. Flato
Institution: Canadian Centre for Climate Modelling and Analysis
Additional Investigators: John Fyfe
Feedbacks involving sea-ice are an important contributor to high-latitude amplification of projected climate change. In this study we will follow the approach used by Flato et al. (2004) to examine the CMIP output. This involves comparisons of sea-ice thickness, concentration and extent in the unperturbed (control) simulations and the changes in these quantities under various IPCC SRES scenarios. The CMIP results indicated no obvious connection between sea-ice errors or response and model attributes (like flux adjustment or representation of ice dynamics), but this will be investigated in the IPCC model ensemble. Connections between sea-ice spatial patterns and atmospheric circulation will also be explored.

Data: time series of monthly gridded fields of sea-ice thickness and concentration, MSLP

Flato, G.M. and CMIP contributors, 2004: Sea-ice climate and sensitivity as simulated by global climate models, Climate Dynamics, in press.

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    Lawrence Livermore National Laboratory  |  Physical & Life Sciences Directorate