The Cryosphere
The Cryosphere
TC
Articles | Volume 16, issue 3
Articles | Volume 16, issue 3
The Cryosphere, 16, 761–778, 2022
https://doi.org/10.5194/tc-16-761-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 16, 761–778, 2022
https://doi.org/10.5194/tc-16-761-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 3

Research article 08 Mar 2022

Research article | 08 Mar 2022

Derivation of bedrock topography measurement requirements for the reduction of uncertainty in ice-sheet model projections of Thwaites Glacier

Blake A. Castleman et al.

Supplement

https://doi.org/10.5194/tc-16-761-2022-supplement

Data sets

MEaSUREs BedMachine Antarctica, Version 2 M. Morlighem https://doi.org/10.5067/E1QL9HFQ7A8M

Model code and software

Ice-sheet and Sea-level System Model JPL Sea Level and Ice Group https://issm.jpl.nasa.gov/

Thwaites Glacier bedrock topography measurement requirement characterization code Blake A. Castleman https://doi.org/10.5281/zenodo.6325925

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Short summary
In the described study, we derive an uncertainty range for global mean sea level rise (SLR) contribution from Thwaites Glacier in a 200-year period under an extreme ocean warming scenario. We derive the spatial and vertical resolutions needed for bedrock data acquisition missions in order to limit global mean SLR contribution from Thwaites Glacier to ±2 cm in a 200-year period. We conduct sensitivity experiments in order to present the locations of critical regions in need of accurate mapping.
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