Ancient pre-glacial erosion surfaces preserved beneath the West Antarctic Ice Sheet

• Main Authors: Rose, Kathryn C., Ross, Neil, Jordan, Tom A., Bingham, Robert G., Corr, Hugh F.J., Ferraccioli, Fausto, Le Brocq, Anne M., Rippin, David M., Siegert, Martin J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications on behalf of the European Geosciences Union 2015
• Subjects: Antarctic; West Antarctica; West Antarctic Ice Sheet; Nash; Nash Hills; Antarc*; Antarctica; Ice Sheet
• Online Access: http://nora.nerc.ac.uk/id/eprint/507490/; https://nora.nerc.ac.uk/id/eprint/507490/1/esurf-3-139-2015.pdf

We present ice-penetrating radar evidence for ancient (pre-glacial) and extensive erosion surfaces preserved beneath the upstream Institute and Möller ice streams, West Antarctica. Radar data reveal a smooth, laterally continuous, gently sloping topographic block, comprising two surfaces separated b...