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Elimination of the Greenland Ice Sheet in a High CO2 Climate
- Article from:
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Journal of Climate
- Article date:
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September 1, 2005
- Author:
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Copyright informationCopyright American Meteorological Society Sep 1, 2005. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
Projections of future global sea level depend on reliable estimates of changes in the size of polar ice sheets. Calculating this directly from global general circulation models (GCMs) is unreliable because the coarse resolution of 100 km or more is unable to capture narrow ablation zones, and ice dynamics is not usually taken into account in GCMs. To overcome these problems a high-resolution (20 km) dynamic ice sheet model has been coupled to the third Hadley Centre Coupled Ocean-Atmosphere GCM (HadCM3). A novel feature is the use of two-way coupling, so that climate changes in the GCM drive ice mass changes in the ice sheet model that, in turn, can alter the future climate through ...
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