Articles | Volume 16, issue 12
https://doi.org/10.5194/tc-16-4931-2022
© Author(s) 2022. 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-16-4931-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Dec 2022
Research article |
| 14 Dec 2022
| 14 Dec 2022
An assessment of basal melt parameterisations for Antarctic ice shelves
Clara Burgard
CORRESPONDING AUTHOR
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Nicolas C. Jourdain
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Ronja Reese
Department of Geography and Environmental Sciences, Northumbria University, Newcastle Upon Tyne, UK
Adrian Jenkins
Department of Geography and Environmental Sciences, Northumbria University, Newcastle Upon Tyne, UK
Pierre Mathiot
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
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Cited
24 citations as recorded by crossref.
- Strong impact of sub-shelf melt parameterisation on ice-sheet retreat in idealised and realistic Antarctic topography C. Berends et al. 10.1017/jog.2023.33
- Coupled ice–ocean interactions during future retreat of West Antarctic ice streams in the Amundsen Sea sector D. Bett et al. 10.5194/tc-18-2653-2024
- Emulating Present and Future Simulations of Melt Rates at the Base of Antarctic Ice Shelves With Neural Networks C. Burgard et al. 10.1029/2023MS003829
- Modelling Antarctic ice shelf basal melt patterns using the one-layer Antarctic model for dynamical downscaling of ice–ocean exchanges (LADDIE v1.0) E. Lambert et al. 10.5194/tc-17-3203-2023
- Sensitivity of the future evolution of the Wilkes Subglacial Basin ice sheet to grounding-line melt parameterizations Y. Wang et al. 10.5194/tc-18-5117-2024
- Disentangling the drivers of future Antarctic ice loss with a historically calibrated ice-sheet model V. Coulon et al. 10.5194/tc-18-653-2024
- Widespread seawater intrusions beneath the grounded ice of Thwaites Glacier, West Antarctica E. Rignot et al. 10.1073/pnas.2404766121
- Improving Antarctic Bottom Water precursors in NEMO for climate applications K. Hutchinson et al. 10.5194/gmd-16-3629-2023
- The long-term sea-level commitment from Antarctica A. Klose et al. 10.5194/tc-18-4463-2024
- Melt rates in the kilometer-size grounding zone of Petermann Glacier, Greenland, before and during a retreat E. Ciracì et al. 10.1073/pnas.2220924120
- Antarctic sensitivity to oceanic melting parameterizations A. Juarez-Martinez et al. 10.5194/tc-18-4257-2024
- Ocean warming as a trigger for irreversible retreat of the Antarctic ice sheet E. Hill et al. 10.1038/s41558-024-02134-8
- Glacial–interglacial Circumpolar Deep Water temperatures during the last 800 000 years: estimates from a synthesis of bottom water temperature reconstructions D. Chandler & P. Langebroek 10.5194/cp-20-2055-2024
- Hysteresis and orbital pacing of the early Cenozoic Antarctic ice sheet J. Van Breedam et al. 10.5194/cp-19-2551-2023
- Southern Ocean warming and Antarctic ice shelf melting in conditions plausible by late 23rd century in a high-end scenario P. Mathiot & N. Jourdain 10.5194/os-19-1595-2023
- Short- and long-term variability of the Antarctic and Greenland ice sheets E. Hanna et al. 10.1038/s43017-023-00509-7
- Experimental design for the Marine Ice Sheet–Ocean Model Intercomparison Project – phase 2 (MISOMIP2) J. De Rydt et al. 10.5194/gmd-17-7105-2024
- The stability of present-day Antarctic grounding lines – Part 2: Onset of irreversible retreat of Amundsen Sea glaciers under current climate on centennial timescales cannot be excluded R. Reese et al. 10.5194/tc-17-3761-2023
- A framework for estimating the anthropogenic part of Antarctica’s sea level contribution in a synthetic setting A. Bradley et al. 10.1038/s43247-024-01287-w
- Local forcing mechanisms challenge parameterizations of ocean thermal forcing for Greenland tidewater glaciers A. Hager et al. 10.5194/tc-18-911-2024
- The case for a Framework for UnderStanding Ice-Ocean iNteractions (FUSION) in the Antarctic-Southern Ocean system F. McCormack et al. 10.1525/elementa.2024.00036
- Ice Shelf Basal Melt Rates in the Amundsen Sea at the End of the 21st Century N. Jourdain et al. 10.1029/2022GL100629
- An assessment of basal melt parameterisations for Antarctic ice shelves C. Burgard et al. 10.5194/tc-16-4931-2022
- Ice Shelf Basal Melt Sensitivity to Tide‐Induced Mixing Based on the Theory of Subglacial Plumes J. Anselin et al. 10.1029/2022JC019156
21 citations as recorded by crossref.
- Strong impact of sub-shelf melt parameterisation on ice-sheet retreat in idealised and realistic Antarctic topography C. Berends et al. 10.1017/jog.2023.33
- Coupled ice–ocean interactions during future retreat of West Antarctic ice streams in the Amundsen Sea sector D. Bett et al. 10.5194/tc-18-2653-2024
- Emulating Present and Future Simulations of Melt Rates at the Base of Antarctic Ice Shelves With Neural Networks C. Burgard et al. 10.1029/2023MS003829
- Modelling Antarctic ice shelf basal melt patterns using the one-layer Antarctic model for dynamical downscaling of ice–ocean exchanges (LADDIE v1.0) E. Lambert et al. 10.5194/tc-17-3203-2023
- Sensitivity of the future evolution of the Wilkes Subglacial Basin ice sheet to grounding-line melt parameterizations Y. Wang et al. 10.5194/tc-18-5117-2024
- Disentangling the drivers of future Antarctic ice loss with a historically calibrated ice-sheet model V. Coulon et al. 10.5194/tc-18-653-2024
- Widespread seawater intrusions beneath the grounded ice of Thwaites Glacier, West Antarctica E. Rignot et al. 10.1073/pnas.2404766121
- Improving Antarctic Bottom Water precursors in NEMO for climate applications K. Hutchinson et al. 10.5194/gmd-16-3629-2023
- The long-term sea-level commitment from Antarctica A. Klose et al. 10.5194/tc-18-4463-2024
- Melt rates in the kilometer-size grounding zone of Petermann Glacier, Greenland, before and during a retreat E. Ciracì et al. 10.1073/pnas.2220924120
- Antarctic sensitivity to oceanic melting parameterizations A. Juarez-Martinez et al. 10.5194/tc-18-4257-2024
- Ocean warming as a trigger for irreversible retreat of the Antarctic ice sheet E. Hill et al. 10.1038/s41558-024-02134-8
- Glacial–interglacial Circumpolar Deep Water temperatures during the last 800 000 years: estimates from a synthesis of bottom water temperature reconstructions D. Chandler & P. Langebroek 10.5194/cp-20-2055-2024
- Hysteresis and orbital pacing of the early Cenozoic Antarctic ice sheet J. Van Breedam et al. 10.5194/cp-19-2551-2023
- Southern Ocean warming and Antarctic ice shelf melting in conditions plausible by late 23rd century in a high-end scenario P. Mathiot & N. Jourdain 10.5194/os-19-1595-2023
- Short- and long-term variability of the Antarctic and Greenland ice sheets E. Hanna et al. 10.1038/s43017-023-00509-7
- Experimental design for the Marine Ice Sheet–Ocean Model Intercomparison Project – phase 2 (MISOMIP2) J. De Rydt et al. 10.5194/gmd-17-7105-2024
- The stability of present-day Antarctic grounding lines – Part 2: Onset of irreversible retreat of Amundsen Sea glaciers under current climate on centennial timescales cannot be excluded R. Reese et al. 10.5194/tc-17-3761-2023
- A framework for estimating the anthropogenic part of Antarctica’s sea level contribution in a synthetic setting A. Bradley et al. 10.1038/s43247-024-01287-w
- Local forcing mechanisms challenge parameterizations of ocean thermal forcing for Greenland tidewater glaciers A. Hager et al. 10.5194/tc-18-911-2024
- The case for a Framework for UnderStanding Ice-Ocean iNteractions (FUSION) in the Antarctic-Southern Ocean system F. McCormack et al. 10.1525/elementa.2024.00036
3 citations as recorded by crossref.
- Ice Shelf Basal Melt Rates in the Amundsen Sea at the End of the 21st Century N. Jourdain et al. 10.1029/2022GL100629
- An assessment of basal melt parameterisations for Antarctic ice shelves C. Burgard et al. 10.5194/tc-16-4931-2022
- Ice Shelf Basal Melt Sensitivity to Tide‐Induced Mixing Based on the Theory of Subglacial Plumes J. Anselin et al. 10.1029/2022JC019156
Latest update: 13 Dec 2024
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Short summary
The ocean-induced melt at the base of the floating ice shelves around Antarctica is one of the largest uncertainty factors in the Antarctic contribution to future sea-level rise. We assess the performance of several existing parameterisations in simulating basal melt rates on a circum-Antarctic scale, using an ocean simulation resolving the cavities below the shelves as our reference. We find that the simple quadratic slope-independent and plume parameterisations yield the best compromise.
The ocean-induced melt at the base of the floating ice shelves around Antarctica is one of the...
