Journal
JOURNAL OF GLACIOLOGY
Volume 56, Issue 200, Pages 1026-1042Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.3189/002214311796406158
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Funding
- US National Science Foundation (NSF) [ANT-0636719, FY2011-025]
- NASA [NNX09AE47G]
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Spaceborne interferometric synthetic aperture radar (InSAR) techniques for measuring ice flow velocity and topography have developed rapidly over the last decade and a half, revolutionizing the study of ice dynamics. Spaceborne interferometry has contributed to major progress in many areas of glaciological study by: providing the first comprehensive measurements of ice-stream flow velocity over the major outlets of Greenland and Antarctica; revealing that ice-stream and outlet-glacier flow can change rapidly (months to years); improving understanding of several ice-sheet and ice-shelf processes; providing velocity for flux-gate based mass-balance assessment; mapping flow of mountain glaciers; and capturing the geomorphic traces of past ice flow. We review the basic technique development, the measurement characteristics, and the extensive set of results yielded by these measurements.
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