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

Abstract

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. As a result, 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.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1]
  1. Met Office Hadley Centre, Exeter (United Kingdom)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1235897
Report Number(s):
LA-UR-15-21224
Journal ID: ISSN 1991-9603
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Geoscientific Model Development (Online)
Additional Journal Information:
Journal Name: Geoscientific Model Development (Online); Journal Volume: 8; Journal Issue: 7; Journal ID: ISSN 1991-9603
Publisher:
European Geosciences Union
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 97 MATHEMATICS AND COMPUTING

Citation Formats

Rae, J. G. L., Hewitt, H. T., Keen, A. B., Ridley, J. K., West, A. E., Harris, C. M., Hunke, E. C., and Walters, D. N. Development of the global sea ice 6.0 CICE configuration for the Met Office global coupled model. United States: N. p., 2015. Web. doi:10.5194/gmd-8-2221-2015.
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. Development of the global sea ice 6.0 CICE configuration for the Met Office global coupled model. United States. doi:10.5194/gmd-8-2221-2015.
Rae, J. G. L., Hewitt, H. T., Keen, A. B., Ridley, J. K., West, A. E., Harris, C. M., Hunke, E. C., and Walters, D. N. Fri . "Development of the global sea ice 6.0 CICE configuration for the Met Office global coupled model". United States. doi:10.5194/gmd-8-2221-2015. https://www.osti.gov/servlets/purl/1235897.
@article{osti_1235897,
title = {Development of the global sea ice 6.0 CICE configuration for the Met Office global coupled model},
author = {Rae, J. G. L. and Hewitt, H. T. and Keen, A. B. and Ridley, J. K. and West, A. E. and Harris, C. M. and Hunke, E. C. and Walters, D. N.},
abstractNote = {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. As a result, 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.},
doi = {10.5194/gmd-8-2221-2015},
journal = {Geoscientific Model Development (Online)},
number = 7,
volume = 8,
place = {United States},
year = {2015},
month = {7}
}

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