Articles | Volume 11, issue 4
https://doi.org/10.5194/tc-11-1897-2017
https://doi.org/10.5194/tc-11-1897-2017
Research article
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14 Aug 2017
Research article | Highlight paper |  | 14 Aug 2017

High-resolution boundary conditions of an old ice target near Dome C, Antarctica

Duncan A. Young, Jason L. Roberts, Catherine Ritz, Massimo Frezzotti, Enrica Quartini, Marie G. P. Cavitte, Carly R. Tozer, Daniel Steinhage, Stefano Urbini, Hugh F. J. Corr, Tas van Ommen, and Donald D. Blankenship

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Short summary
To find records of the greenhouse gases found in key periods of climate transition, we need to find sites of unmelted old ice at the base of the Antarctic ice sheet for ice core retrieval. A joint US–Australian–EU team performed a high-resolution survey of such a site (1 km line spacing) near Concordia Station in East Antarctica, using airborne ice-penetrating radar. We found promising targets in rough subglacial terrain, surrounded by subglacial lakes restricted below a minimum hydraulic head.