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Volume 11, issue 4
The Cryosphere, 11, 1745–1765, 2017
https://doi.org/10.5194/tc-11-1745-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Climate–carbon–cryosphere interactions in the...

The Cryosphere, 11, 1745–1765, 2017
https://doi.org/10.5194/tc-11-1745-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 26 Jul 2017

Research article | 26 Jul 2017

Ice-shelf damming in the glacial Arctic Ocean: dynamical regimes of a basin-covering kilometre-thick ice shelf

Johan Nilsson et al.
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Cited articles  
Alley, R. B., Clark, P. U., Huybrechts, P.,and Joughin, I.: Ice-sheet and sea-level changes, Science, 310, 456–460, 2005.
Amundson, J. M., Fahnestock, M., Truffer, M., Brown, J., Lüthi, M. P., andMotyka, R. J.: Ice mélange dynamics and implications for terminus stability, Jakobshavn Isbræ, Greenland, J. Geophys. Res., 115, F01005, https://doi.org/10.1029/2009JF001405, 2010.
Antoniades, D., Francus, P., Pienitz, R., St-Onge, G., and Vincent, W. F.: Holocene dynamics of the Arctic's largest ice shelf, P. Natl. Acad. Sci. USA, 108, 18899–18904, 2011.
Arndt, J. E., Niessen, F., Jokat, W., and Dorschel, B.: Deep water paleo-iceberg scouring on top of Hovgaard Ridge–Arctic Ocean, Geophys. Res. Lett., 41, 5068–5074, 2014.
Ashkenazy, Y., Gildor, H., Losch, M., Macdonald, F. A., Schrag, D. P., and Tziperman, E.: Dynamics of a Snowball Earth ocean, Nature, 495, 90–93, 2013.
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Recent data suggest that a 1 km thick ice shelf extended over the glacial Arctic Ocean during MIS 6, about 140 000 years ago. Here, we theoretically analyse the development and equilibrium features of such an ice shelf. The ice shelf was effectively dammed by the Fram Strait and the mean ice-shelf thickness was controlled primarily by the horizontally integrated mass balance. Our results can aid in resolving some outstanding questions of the state of the glacial Arctic Ocean.
Recent data suggest that a 1 km thick ice shelf extended over the glacial Arctic Ocean during...
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