Articles | Volume 13, issue 1
https://doi.org/10.5194/tc-13-177-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-13-177-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jan 2019
Research article |
| 22 Jan 2019
| 22 Jan 2019
Sensitivity of centennial mass loss projections of the Amundsen basin to the friction law
Univ. Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Fabien Gillet-Chaulet
Univ. Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
Olivier Gagliardini
Univ. Grenoble Alpes, CNRS, IRD, IGE, 38000 Grenoble, France
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- Future Projections of Petermann Glacier Under Ocean Warming Depend Strongly on Friction Law H. Åkesson et al. 10.1029/2020JF005921
- Regularized Coulomb Friction Laws for Ice Sheet Sliding: Application to Pine Island Glacier, Antarctica I. Joughin et al. 10.1029/2019GL082526
- Basal roughness of the East Antarctic Ice Sheet in relation to flow speed and basal thermal state O. Eisen et al. 10.1017/aog.2020.47
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- Impact of boundary conditions on the modeled thermal regime of the Antarctic ice sheet I. Park et al. 10.5194/tc-18-1139-2024
- Widespread Grounding Line Retreat of Totten Glacier, East Antarctica, Over the 21st Century T. Pelle et al. 10.1029/2021GL093213
- Uncovering Basal Friction in Northwest Greenland Using an Ice Flow Model and Observations of the Past Decade Y. Choi et al. 10.1029/2022JF006710
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- Antarctic ice sheet response to sudden and sustained ice-shelf collapse (ABUMIP) S. Sun et al. 10.1017/jog.2020.67
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- Sensitivity of Greenland ice sheet projections to spatial resolution in higher-order simulations: the Alfred Wegener Institute (AWI) contribution to ISMIP6 Greenland using the Ice-sheet and Sea-level System Model (ISSM) M. Rückamp et al. 10.5194/tc-14-3309-2020
- Thermal Weakening, Convergent Flow, and Vertical Heat Transport in the Northeast Greenland Ice Stream Shear Margins N. Holschuh et al. 10.1029/2019GL083436
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- The predictive power of ice sheet models and the regional sensitivity of ice loss to basal sliding parameterisations: a case study of Pine Island and Thwaites glaciers, West Antarctica J. Barnes & G. Gudmundsson 10.5194/tc-16-4291-2022
- Regularization and L-curves in ice sheet inverse models: a case study in the Filchner–Ronne catchment M. Wolovick et al. 10.5194/tc-17-5027-2023
- Toward a universal glacier slip law B. Minchew & I. Joughin 10.1126/science.abb3566
- Examining the effect of ice dynamic changes on subglacial hydrology through modelling of a synthetic Antarctic glacier A. Hayden & C. Dow 10.1017/jog.2023.65
Latest update: 19 Apr 2024
Short summary
Here, we apply a synthetic perturbation to the most active drainage basin of Antarctica and show that centennial mass loss projections obtained through ice flow models depend strongly on the implemented friction law, i.e. the mathematical relationship between basal drag and sliding velocities. In particular, the commonly used Weertman law considerably underestimates the sea-level contribution of this basin in comparison to two water pressure-dependent laws which rely on stronger physical bases.
Here, we apply a synthetic perturbation to the most active drainage basin of Antarctica and show...
