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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 3
The Cryosphere, 9, 1169–1181, 2015
https://doi.org/10.5194/tc-9-1169-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 9, 1169–1181, 2015
https://doi.org/10.5194/tc-9-1169-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 04 Jun 2015

Research article | 04 Jun 2015

Evolution of ice-shelf channels in Antarctic ice shelves

R. Drews
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Bindschadler, Choi, Wichlacz, Bingham, Bohlander, Brunt, Corr, Bindschadler, R., Choi, H., Wichlacz, A., Bingham, R., Bohlander, J., Brunt, K., Corr, H., Drews, R., Fricker, H., Hall, M., Hindmarsh, R., Kohler, J., Padman, L., Rack, W., Rotschky, G., Urbini, S., Vornberger, P., and Young, N.: Getting around Antarctica: new high-resolution mappings of the grounded and freely-floating boundaries of the Antarctic ice sheet created for the International Polar Year, The Cryosphere, 5, 569–588, https://doi.org/10.5194/tc-5-569-2011, 2011.
Blindow, N.: The central part of the Filchner-Ronne Ice Shelf, Antarctica: internal structures revealed by 40 MHz monopulse RES, Ann. Glaciol., 20, 365–371, https://doi.org/10.3189/172756494794587519, 1994.
Borstad, C. P., Rignot, E., Mouginot, J., and Schodlok, M. P.: Creep deformation and buttressing capacity of damaged ice shelves: theory and application to Larsen C ice shelf, The Cryosphere, 7, 1931–1947, https://doi.org/10.5194/tc-7-1931-2013, 2013.
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Short summary
Floating ice shelves extend the continental ice of Antarctica seawards and mediate ice-ocean interactions. Many ice shelves are incised with channels where basal melting is enhanced. With data and modeling it is shown how the channel geometry depends on basal melting and along-flow advection (also for channels which are not freely floating), and how channel formation imprints the general flow pattern. This opens up the opportunity to map the channel formation from surface velocities only.
Floating ice shelves extend the continental ice of Antarctica seawards and mediate ice-ocean...
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