Palaeo-ice streams: an introduction

[FIRST PARAGRAPH] Ice streams are narrow fast-flowing zones within ice sheets, and in the case of Antarctica are responsible for draining up to 90% of the mass from the ice sheet. It has been shown that Quaternary ice sheets were profoundly, and arguably catastrophically, influenced by the operation...

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Bibliographic Details
Published in:Boreas
Main Authors: Clark, C.D., Evans, D.J.A., Piotrowski, J.A.
Format: Article in Journal/Newspaper
Language:English
Published: 2003
Subjects:
Online Access:https://eprints.whiterose.ac.uk/914/
https://eprints.whiterose.ac.uk/914/1/clarkcd5.pdf
https://doi.org/10.1080/03009480310001182
Description
Summary:[FIRST PARAGRAPH] Ice streams are narrow fast-flowing zones within ice sheets, and in the case of Antarctica are responsible for draining up to 90% of the mass from the ice sheet. It has been shown that Quaternary ice sheets were profoundly, and arguably catastrophically, influenced by the operation of transitory ice streaming. The palaeo-ice stream that operated through Hudson Strait for example, destabilized the Laurentide Ice Sheet, changed its configuration and thickness, and the resultant iceberg melt cooled North Atlantic waters enough to alter ocean circulation and produce ~4°C flips in climate on abrupt time scales.