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The Cryosphere An interactive open-access journal of the European Geosciences Union
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The flow of ice drives mass losses in the large ice sheets. Sea-level rise projections rely on ice-sheet models, solving the physics of ice flow and melt. Unfortunately the parameters in the physics of flow are uncertain. Here we show, in an idealized setup, that these uncertainties can double flow-driven mass losses within the possible range of parameters. It is possible that this uncertainty carries over to realistic sea-level rise projections.
TC | Articles | Volume 14, issue 10
The Cryosphere, 14, 3537–3550, 2020
https://doi.org/10.5194/tc-14-3537-2020
The Cryosphere, 14, 3537–3550, 2020
https://doi.org/10.5194/tc-14-3537-2020

Research article 27 Oct 2020

Research article | 27 Oct 2020

Sensitivity of ice loss to uncertainty in flow law parameters in an idealized one-dimensional geometry

Maria Zeitz et al.

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Short summary
The flow of ice drives mass losses in the large ice sheets. Sea-level rise projections rely on ice-sheet models, solving the physics of ice flow and melt. Unfortunately the parameters in the physics of flow are uncertain. Here we show, in an idealized setup, that these uncertainties can double flow-driven mass losses within the possible range of parameters. It is possible that this uncertainty carries over to realistic sea-level rise projections.
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