Rückamp, Martin; Blindow, Norbert (2011): Present-day King George Island ice cap geometry measured by ground penetrating radar in 2008/09 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.770567, Supplement to: Rückamp, M; Blindow, N (2011): King George Island ice cap geometry updated with airborne GPR measurements. Earth System Science Data, 4(1), 23-30, https://doi.org/10.5194/essd-4-23-2012
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Abstract:
We present a consistent data set for the ice thickness, the bedrock topography and the ice surface topography of the King George Island ice cap (Arctowski Icefield and the adjacent central part). The data set is composed of groundbased and airborne Ground Penetrating Radar (GPR) and differential GPS (DGPS) measurements, obtained during several field campaigns. The data set incorporates groundbased measurements in the safely accessible inner parts and airborne measurements in the heavily crevassed coastal areas of the ice cap. In particular, the inclusion of airborne GPR measurements with the 30MHz BGR-P30-System developed at the Institute of Geophysics (University of Münster) completes the picture of the ice geometry substantially. The compiled digital elevation model of the bedrock shows a rough, highly variable topography with pronounced valleys, ridges, and troughs. The mean ice thickness is approx. 238m, with a maximum value of approx. 400m in the surveyed area. Noticeable are bounded areas in the bedrock topography below sea level where marine based ice exists.
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Project(s):
Funding:
German Research Foundation (DFG), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
Coverage:
Median Latitude: -62.069642 * Median Longitude: -58.556640 * South-bound Latitude: -62.202700 * West-bound Longitude: -58.920900 * North-bound Latitude: -61.938200 * East-bound Longitude: -58.240800
Minimum ELEVATION: 18.83 m a.s.l. * Maximum ELEVATION: 727.91 m a.s.l.
Event(s):
Comment:
See other version for data in NetCDF format.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | LATITUDE | Latitude | Geocode | |||
| 2 | LONGITUDE | Longitude | Geocode | |||
| 3 | UTM Northing, Universal Transverse Mercator | UTM north | m | Rückamp, Martin | ||
| 4 | UTM Easting, Universal Transverse Mercator | UTM east | m | Rückamp, Martin | ||
| 5 | UTM Zone, Universal Transverse Mercator | UTM Zone | Rückamp, Martin | |||
| 6 | ELEVATION | Elevation | m a.s.l. | Geocode | ||
| 7 | Elevation 2 | Elev2 | m a.s.l. | Rückamp, Martin | Ground-penetrating radar (GPR) | Bedrock |
| 8 | Ice thickness, glacier | Glac ice thick | m | Rückamp, Martin | Ground-penetrating radar (GPR) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
960475 data points
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