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The Cryosphere An interactive open-access journal of the European Geosciences Union
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TC | Volume 13, issue 6
The Cryosphere, 13, 1681–1694, 2019
https://doi.org/10.5194/tc-13-1681-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 13, 1681–1694, 2019
https://doi.org/10.5194/tc-13-1681-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 14 Jun 2019

Research article | 14 Jun 2019

Sensitivity of a calving glacier to ice–ocean interactions under climate change: new insights from a 3-D full-Stokes model

Joe Todd et al.
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Coupled modelling of subglacial hydrology and calving-front melting at Store Glacier, West Greenland
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Manuscript under review for TC
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Warming of SE Greenland shelf waters in 2016 primes large glacier for runaway retreat
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Performance and applicability of a 2.5-D ice-flow model in the vicinity of a dome
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UAV photogrammetry and structure from motion to assess calving dynamics at Store Glacier, a large outlet draining the Greenland ice sheet
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Are seasonal calving dynamics forced by buttressing from ice mélange or undercutting by melting? Outcomes from full-Stokes simulations of Store Glacier, West Greenland
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The Cryosphere, 8, 2353–2365, https://doi.org/10.5194/tc-8-2353-2014,https://doi.org/10.5194/tc-8-2353-2014, 2014
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Cited articles  
Ahlstrøm, A. P., Andersen, S. B., Andersen, M. L., Machguth, H., Nick, F. M., Joughin, I., Reijmer, C. H., van de Wal, R. S. W., Merryman Boncori, J. P., Box, J. E., Citterio, M., van As, D., Fausto, R. S., and Hubbard, A.: Seasonal velocities of eight major marine-terminating outlet glaciers of the Greenland ice sheet from continuous in situ GPS instruments, Earth Syst. Sci. Data, 5, 277–287, https://doi.org/10.5194/essd-5-277-2013, 2013. 
Amundson, J. M., Fahnestock, M., Truffer, M., Brown, J., Lüthi, M. P., and Motyka, 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. 
Bartholomew, I., Nienow, P., Mair, D., Hubbard, A., King, M. A., and Sole, A.: Seasonal evolution of subglacial drainage and acceleration in a Greenland outlet glacier, Nat. Geosci., 3, 408–411, https://doi.org/10.1038/ngeo863, 2010. 
Benn, D. and Evans, D. J. A.: Glaciers and Glaciation, Routledge, London, 2014. 
Benn, D. I., Hulton, N. R. J., and Mottram, R. H.: “Calving laws”,'sliding laws' and the stability of tidewater glaciers, Ann. Glaciol., 46, 123–130, 2007a. 
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Short summary
The Greenland Ice Sheet loses 30 %–60 % of its ice due to iceberg calving. Calving processes and their links to climate are not well understood or incorporated into numerical models of glaciers. Here we use a new 3-D calving model to investigate calving at Store Glacier, West Greenland, and test its sensitivity to increased submarine melting and reduced support from ice mélange (sea ice and icebergs). We find Store remains fairly stable despite these changes, but less so in the southern side.
The Greenland Ice Sheet loses 30 %–60 % of its ice due to iceberg calving. Calving processes and...
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