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Science. 2001 Dec 14;294(5550):2338-42.

High geothermal heat flow, Basal melt, and the origin of rapid ice flow in central Greenland.

Author information

1
Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20742, USA.

Abstract

Age-depth relations from internal layering reveal a large region of rapid basal melting in Greenland. Melt is localized at the onset of rapid ice flow in the large ice stream that drains north off the summit dome and other areas in the northeast quadrant of the ice sheet. Locally, high melt rates indicate geothermal fluxes 15 to 30 times continental background. The southern limit of melt coincides with magnetic anomalies and topography that suggest a volcanic origin.

PMID:
11743197
DOI:
10.1126/science.1065370
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