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Antarctica: Measuring glacier velocity from satellite images

Science

By:
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Abstract

Many Landsat images of Antarctica show distinctive flow and crevasse features in the floating part of ice streams and outlet glaciers immediately below their grounding zones. Some of the features, which move with the glacier or ice stream, remain visible over many years and thus allow time-lapse measurements of ice velocities. Measurements taken from Landsat images of features on Byrd Glacier agree well with detailed ground and aerial observations. The satellite-image technique thus offers a rapid and cost-effective method of obtaining average velocities, to a first order of accuracy, of many ice streams and outlet glaciers near their termini.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Antarctica: Measuring glacier velocity from satellite images
Series title:
Science
Volume
234
Issue:
4780
Year Published:
1986
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
1105
Last page:
1108