offset tracking procedure applied to high resolution sar data on viedma glacier, patagonian andes, argentina
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ID: 226188
2013
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Abstract
Main aim of this work is to explore the suitability of high resolution SAR
images for measuring ice flow velocity within glaciers. Available techniques
for this purpose are Differential SAR Interferometry (DInSAR) and Offset
Tracking. The former, although theoretically much more precise, is
frequently limited by coherence loss (or lacking of coherence) in glacier
environment. The latter constitutes an alternative that works well when
displacements are large. Study area is the Viedma Glacier (Santa Cruz,
Argentina), one of the largest uncovered ice bodies in the South Patagonian
Ice (SPI). High resolution COSMO-SkyMed (CSK) acquisitions were processed by
estimating range and azimuth offset fields. Useful results, consisting in
displacement maps showing areas with different fast-flowing units, were
obtained by Offset Tracking processing.
| Reference Key |
riveros2013advancesoffset
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|---|---|
| Authors | ;N. Riveros;L. Euillades;P. Euillades;S. Moreiras;S. Balbarani |
| Journal | journal of the medical library association |
| Year | 2013 |
| DOI |
10.5194/adgeo-35-7-2013
|
| URL | |
| Keywords |
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