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Ice stream D flow speed is strongly modulated by the tide beneath the Ross Ice Shelf

Lookup NU author(s): Professor Matt King

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Abstract

The flow velocity of ice stream D, West Antarctica has been measured to vary by a factor of three over the course of a day. These fluctuations are measured at the grounding line as well as upstream of the grounding line in the ice plain of ice stream D. The diurnal velocity fluctations appear to be driven by the tide beneath the Ross Ice Shelf. These results suggest that there is significant, and heretofore poorly understood, influence of the ocean tide and of the ice shelf on the dynamics of ice stream flow.

Publication metadata

Author(s): Anandakrishnan S, Voigt DE, Alley RB, King MA

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2003

Volume: 30

Issue: 7

Pages: 1361

ISSN (print): 0094-8276

ISSN (electronic): 1944-8007

Publisher: American Geophysical Union

URL: http://dx.doi.org/10.1029/2002GL016329

DOI: 10.1029/2002GL016329

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