Articles | Volume 11, issue 4
The Cryosphere, 11, 1897–1911, 2017
https://doi.org/10.5194/tc-11-1897-2017

Special issue: International Partnerships in Ice Core Sciences (IPICS) Second...

Special issue: Oldest Ice: finding and interpreting climate proxies in ice...

The Cryosphere, 11, 1897–1911, 2017
https://doi.org/10.5194/tc-11-1897-2017

Research article 14 Aug 2017

Research article | 14 Aug 2017

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

Duncan A. Young et al.

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Cited articles

Aitken, A. R. A., Young, D. A., Ferraccioli, F., Betts, P. G., Greenbaum, J. S., Richter, T. G., Roberts, J. L., Blankenship, D. D., and Siegert, M. J.: The subglacial geology of Wilkes Land, East Antarctica, Geophys. Res. Lett., 41, 2390–2400, https://doi.org/10.1002/2014GL059405, 2014.
Bamber, J. L.: A digital elevation model of the Antarctic ice sheet derived from ERS-1 altimeter data and comparison with terrestrial measurements, Ann. Glaciol., 20, 48–54, https://doi.org/10.3189/172756494794586934, 1994.
Bamber, J. L., Gomez-Dans, J. L., and Griggs, J. A.: A new 1 km digital elevation model of the Antarctic derived from combined satellite radar and laser data – Part 1: Data and methods, The Cryosphere, 3, 101–111, https://doi.org/10.5194/tc-3-101-2009, 2009.
Bell, R. E., Ferraccioli, F., Creyts, T. T., Braaten, D., Corr, H., Das, I., Damaske, D., Frearson, N., Jordan, T., Rose, K., Studinger, M., and Wolovick, M.: Widespread persistent thickening of the East Antarctic Ice Sheet by freezing from the base, Science, 331, 1592–1595, 2011.
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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.