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Ice-flow velocities on Rutford Ice Stream, West Antarctica, are stable over decadal timescales

Gudmundsson, G.H.; Jenkins, A.. 2009 Ice-flow velocities on Rutford Ice Stream, West Antarctica, are stable over decadal timescales. Journal of Glaciology, 55 (190). 339-344. 10.3189/002214309788608697

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Abstract/Summary

Surface ice-flow velocities measured at stakes on Rutford Ice Stream, West Antarctica, covering a period of similar to 25 years are analysed for evidence of temporal variations in flow. No indications of significant long-term changes in flow are found. Earlier observations have shown significant tidally related variations in flow speed. We conclude that temporal variability on Rutford Ice Stream, West Antarctica, appears limited to tidal periods of days and weeks, and weaker interannual variation, possibly related to long-period tides or seasonal effects, while long-term (decadal) changes in flow speed are either absent or smaller than similar to 0.1 % a(-1).

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.3189/002214309788608697
Programmes: BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ice Sheets
ISSN: 0022-1430
NORA Subject Terms: Glaciology
Date made live: 02 Nov 2010 09:42
URI: http://nora.nerc.ac.uk/id/eprint/10977

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