Development of global sea ice 6.0 CICE configuration for the Met Office global coupled model

The new sea ice configuration GSI6.0, used in the Met Office global coupled configuration GC2.0, is described and the sea ice extent, thickness and volume are compared with the previous configuration and with observationally-based datasets. In the Arctic, the sea ice is thicker in all seasons than i...

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Bibliographic Details
Published in:Geoscientific model development discussions 2015-03, Vol.8 (3)
Main Authors: Rae, J. . G. L, Hewitt, H. T., Keen, A. B., Ridley, J. K., West, A. E., Harris, C. M., Hunke, E. C., Walters, D. N.
Format: Article
Language:English
Subjects:
ENVIRONMENTAL SCIENCES
GEOSCIENCES
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Summary:The new sea ice configuration GSI6.0, used in the Met Office global coupled configuration GC2.0, is described and the sea ice extent, thickness and volume are compared with the previous configuration and with observationally-based datasets. In the Arctic, the sea ice is thicker in all seasons than in the previous configuration, and there is now better agreement of the modelled concentration and extent with the HadISST dataset. In the Antarctic, a warm bias in the ocean model has been exacerbated at the higher resolution of GC2.0, leading to a large reduction in ice extent and volume; further work is required to rectify this in future configurations.
ISSN:1991-962X
1991-962X