In:
Journal of Glaciology, International Glaciological Society, Vol. 37, No. 125 ( 1991), p. 149-157
Abstract:
The Greenland ice sheet is modelled to simulate its extent and volume in warmer climates, and to find out whether the ice sheet would re-form on the ice-free bedrock under present climatic conditions. The ice-sheet model is a three-dimensional thermo-mechanical model with a fine-resolution grid. The bedrock surface beneath the ice sheet was mapped using radio-echo-sounding measurements by the Electromagnetic Institute, Copenhagen. The model experiments show that increased temperature will result in ice-margin retreat, but the ice sheet is relatively stable; it takes a temperature rise of at least 6 deg for the ice sheet to disappear completely, which indicates that the ice sheet probably survived the last interglacial. Furthermore, it appears that the Greenland ice sheet is not a mere relict ice mass from a previously colder climate but that the ice sheet will still re-form on the bare bedrock under the present, or even slightly warmer, climatic conditions.
Type of Medium:
Online Resource
ISSN:
0022-1430
,
1727-5652
DOI:
10.3189/S0022143000042908
Language:
English
Publisher:
International Glaciological Society
Publication Date:
1991
detail.hit.zdb_id:
2140541-4
SSG:
14
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