DEM generation and tidal deformation detection for Sulzberger Ice Shelf, West Antarctica using SAR interferometry
By: S. Baek, Oh-Ig Kwoun, M. Bassler, Z. Lu, C. K. Shum, and R. Dietrich
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Abstract
In this study we generated a relative Digital Elevation Model (DEM) over the Sulzberger Ice Shelf, West Antarctica using ERS1/2 synthetic aperture radar (SAR) interferometry data. Four repeat pass differential interferograms are used to find the grounding zone and to classify the study area. An interferometrically derived DEM is compared with laser altimetry profile from ICESat. Standard deviation of the relative height difference is 5.12 m and 1.34 m in total length of the profile and at the center of the profile respectively. The magnitude and the direction of tidal changes estimated from interferogram are compared with those predicted tidal differences from four ocean tide models. Tidal deformation measured in InSAR is -16.7 cm and it agrees well within 3 cm with predicted ones from tide models.
Suggested Citation
Baek, S., Kwoun, O., Bassler, M., Lu, Z., Shum, C., Dietrich, R., 2004, DEM generation and tidal deformation detection for Sulzberger Ice Shelf, West Antarctica using SAR interferometry, in Proceedings of the 60th annual meeting of the Institute of Navigation, Dayton, OH, Jun 7-9, 2004, p. 424-430.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | DEM generation and tidal deformation detection for Sulzberger Ice Shelf, West Antarctica using SAR interferometry |
| Year Published | 2004 |
| Language | English |
| Publisher | Institute of Navigation |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 7 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of the 60th annual meeting of the Institute of Navigation |
| First page | 424 |
| Last page | 430 |
| Conference Title | 60th Annual Meeting of the Institute of Navigation |
| Conference Location | Dayton, OH |
| Conference Date | Jun 7-9, 2004 |
| Other Geospatial | Antarctica, Sulzberger Ice Shelf |