Development of the 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 data sets. In the Arctic, the sea ice is thicker in all seasons than...

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Bibliographic Details
Published in:Geoscientific Model Development
Main Authors: J. G. L. Rae, H. T. Hewitt, A. B. Keen, J. K. Ridley, A. E. West, C. M. Harris, E. C. Hunke, D. N. Walters
Format: Article in Journal/Newspaper
Language:English
Published: Copernicus Publications 2015
Subjects:
Geology
QE1-996.5
Antarctic
Arctic
The Antarctic
Antarc*
Sea ice
Online Access:https://doi.org/10.5194/gmd-8-2221-2015
https://doaj.org/article/1ab204252adf46979165ae83825609bd
Description
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 data sets. 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 data set. 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.

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