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Continued deceleration of Whillans ice stream West Antartica

Lookup NU author(s): Professor Matt King

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Abstract

Earlier observations indicated that Whillans Ice Stream slowed from 1973 to 1997. We collected new GPS observations of the ice stream's speed in 2003 and 2004. These data show that the ice stream is continuing to decelerate at rates of about 0.61%/yr2, with faster rates near the grounding line. Our data also indicate that the deceleration extends over the full width of the ice plain. Extrapolation of the deceleration trend suggests the ice stream could stagnate sometime between the middle of the 21st and 22nd Centuries. Copyright 2005 by the American Geophysical Union.

Publication metadata

Author(s): Joughin I, Bindschadler RA, King MA, Voigt D, Alley RB, Anandakrishnan S, Horgan H, Peters L, Winberry P, Das SB, Catania G

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2005

Volume: 32

Issue: 22

ISSN (print): 0094-8276

ISSN (electronic): 1944-8007

Publisher: American Geophysical Union

URL: http://dx.doi.org/10.1029/2005GL024319

DOI: 10.1029/2005GL024319

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