Paleofluvial Mega-Canyon Beneath the Central Greenland Ice Sheet-Reference-Cited by-同舟云学术

Paleofluvial Mega-Canyon Beneath the Central Greenland Ice Sheet

Published:2013-08-30 Issue:6149 Volume:341 Page:997-999
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Bamber Jonathan L.¹,Siegert Martin J.¹,Griggs Jennifer A.¹,Marshall Shawn J.²,Spada Giorgio³

Affiliation:

1. Bristol Glaciology Centre, University of Bristol, BS8 1SS Bristol, UK.

2. Department of Geography, University of Calgary, T2N 1N4 Calgary, Canada.

3. Dipartimento di Scienze di Base e Fondamenti, Urbino University, 61029 Urbino, Italy.

Abstract

Ice Lubricant The Greenland and Antarctic ice sheets both possess hydrological systems that allow water accumulating from the melting of surface ice to be transported to the base of the ice sheet. If that water, when it reaches the ice-bedrock interface, is distributed over large areas, it will lubricate rapid ice sheet flow toward the sea. Bamber et al. (p. 997 ) report the existence of a large, 750-km-long subglacial canyon in northern Greenland, which may act as a channel for the transport of basal meltwater to the margin of the ice sheet and thus influence overall ice sheet dynamics.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference28 articles.

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