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Ground-Penetrating Radar (GPR) data, Rutford Ice Stream, West Antarctica, 2004-2006
GB/NERC/BAS/AEDC/00373

Summary

Abstract:
Ground-Penetrating Radar (GPR) data acquired during the RABID project in the 2004-2005 field season. A Mala RAMAC GPR system was used, with 200, 100 and 50 MHz unshielded antennas. The 100 MHz antennas could be used in cross-polarised and both in-line and cross-line configuration in a single survey, via a multiplexer. GPR profiles were acquired over all the seismic reflection lines, ~40km upstream from the grounding line of Rutford Ice Stream. The Tyree04 line was orientated across the ice stream, Mogensen, Tolly and Rabid were in line with the ice flow. In addition, the cross-stream line was extended 3.6 km towards the mountains and 3.6 km towards Fletcher Promontory.

The RABID project employed hot-water drilling techniques, down-hole instrumentation, as well as surface geophysical measurements, to form an integrated programme studying ice dynamics, basal conditions, climate and glacial history.

Funding was provided by the UK NERC Antarctic Funding Initiative (AFI).

Keywords:
GPR, Ground-Penetrating Radar, Rutford Ice Stream, West Antarctic ice sheet

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