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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 4
The Cryosphere, 9, 1427–1443, 2015
https://doi.org/10.5194/tc-9-1427-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 9, 1427–1443, 2015
https://doi.org/10.5194/tc-9-1427-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 04 Aug 2015

Research article | 04 Aug 2015

Assimilation of Antarctic velocity observations provides evidence for uncharted pinning points

J. J. Fürst et al.
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Johannes J. Fürst on behalf of the Authors (25 May 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (04 Jun 2015) by G. Hilmar Gudmundsson
RR by Chris Borstad (17 Jun 2015)
ED: Publish subject to technical corrections (18 Jun 2015) by G. Hilmar Gudmundsson
AR by Johannes J. Fürst on behalf of the Authors (30 Jun 2015)  Author's response    Manuscript
Publications Copernicus
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Short summary
We present a comprehensive high-resolution assimilation of Antarctic surface velocities with a flow model. The inferred velocities are in very good agreement with observations, even when compared to recent studies on individual shelves. This quality allows to identify a pattern in the velocity mismatch that points at pinning points not present in the input geometry. We identify seven potential pinning points around Antarctica, for now uncharted, providing prominent resistance to the ice flow.
We present a comprehensive high-resolution assimilation of Antarctic surface velocities with a...
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