Articles | Volume 18, issue 4
https://doi.org/10.5194/tc-18-1863-2024
© Author(s) 2024. 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-18-1863-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Geometric amplification and suppression of ice-shelf basal melt in West Antarctica
Department of Geography and Environmental Sciences, Northumbria University, Newcastle upon Tyne, UK
Kaitlin Naughten
British Antarctic Survey, Cambridge, UK
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Cited
18 citations as recorded by crossref.
- Sub-shelf melt pattern and ice sheet mass loss governed by meltwater flow below ice shelves F. Jesse et al. https://doi.org/10.5194/tc-19-3849-2025
- The achievability of low-emission IPCC sea-level rise scenarios H. Millman et al. https://doi.org/10.1098/rsta.2024.0565
- Experimental design for the Marine Ice Sheet–Ocean Model Intercomparison Project – phase 2 (MISOMIP2) J. De Rydt et al. https://doi.org/10.5194/gmd-17-7105-2024
- Antarctic Ice Sheet tipping in the last 800,000 years warns of future ice loss D. Chandler et al. https://doi.org/10.1038/s43247-025-02366-2
- Brief communication: Representation of heat conduction into ice in marine ice shelf melt modelling J. Wiskandt & N. Jourdain https://doi.org/10.5194/tc-19-3253-2025
- Coupling framework (1.0) for the Úa (2023b) ice sheet model and the FESOM-1.4 z-coordinate ocean model in an Antarctic domain O. Richter et al. https://doi.org/10.5194/gmd-18-2945-2025
- Antarctic ice-shelf basal melt shaped by competing feedbacks M. Youngs et al. https://doi.org/10.1038/s41561-026-01975-6
- Detection and attribution of the role of anthropogenic climate change in industrial-era retreat of Pine Island Glacier A. Bradley et al. https://doi.org/10.5194/tc-20-3443-2026
- Ocean warming threatens the viability of 60% of Antarctic ice shelves C. Burgard et al. https://doi.org/10.1038/s41586-025-09657-w
- Variability in ice shelf basal melting in the Amundsen Sea Embayment from 2019 to 2023 X. Meng et al. https://doi.org/10.1088/1748-9326/ade729
- A new paradigm for understanding Earth’s marine ice sheets O. Sergienko et al. https://doi.org/10.1038/s41561-026-01941-2
- Melt sensitivity of irreversible retreat of Pine Island Glacier B. Reed et al. https://doi.org/10.5194/tc-18-4567-2024
- Calibrated sea level contribution from the Amundsen Sea sector, West Antarctica, under RCP8.5 and Paris 2C scenarios S. Rosier et al. https://doi.org/10.5194/tc-19-2527-2025
- Effects of subgrid-scale ice topography on the ice shelf basal melting simulated in NEMO-4.2.0 D. Vallot et al. https://doi.org/10.5194/tc-20-1997-2026
- The influence of subglacial lake discharge on Thwaites Glacier ice-shelf melting and grounding-line retreat N. Gourmelen et al. https://doi.org/10.1038/s41467-025-57417-1
- Results of the second Ice Shelf–Ocean Model Intercomparison Project (ISOMIP+) C. Yung et al. https://doi.org/10.5194/tc-20-2053-2026
- Automated grounding line delineation using deep learning and phase gradient-based approaches on COSMO-SkyMed DInSAR data N. Ross et al. https://doi.org/10.1016/j.rse.2024.114429
- Spatio-temporal melt and basal channel evolution on Pine Island Glacier ice shelf from CryoSat-2 K. Lowery et al. https://doi.org/10.5194/tc-19-4893-2025
18 citations as recorded by crossref.
- Sub-shelf melt pattern and ice sheet mass loss governed by meltwater flow below ice shelves F. Jesse et al. https://doi.org/10.5194/tc-19-3849-2025
- The achievability of low-emission IPCC sea-level rise scenarios H. Millman et al. https://doi.org/10.1098/rsta.2024.0565
- Experimental design for the Marine Ice Sheet–Ocean Model Intercomparison Project – phase 2 (MISOMIP2) J. De Rydt et al. https://doi.org/10.5194/gmd-17-7105-2024
- Antarctic Ice Sheet tipping in the last 800,000 years warns of future ice loss D. Chandler et al. https://doi.org/10.1038/s43247-025-02366-2
- Brief communication: Representation of heat conduction into ice in marine ice shelf melt modelling J. Wiskandt & N. Jourdain https://doi.org/10.5194/tc-19-3253-2025
- Coupling framework (1.0) for the Úa (2023b) ice sheet model and the FESOM-1.4 z-coordinate ocean model in an Antarctic domain O. Richter et al. https://doi.org/10.5194/gmd-18-2945-2025
- Antarctic ice-shelf basal melt shaped by competing feedbacks M. Youngs et al. https://doi.org/10.1038/s41561-026-01975-6
- Detection and attribution of the role of anthropogenic climate change in industrial-era retreat of Pine Island Glacier A. Bradley et al. https://doi.org/10.5194/tc-20-3443-2026
- Ocean warming threatens the viability of 60% of Antarctic ice shelves C. Burgard et al. https://doi.org/10.1038/s41586-025-09657-w
- Variability in ice shelf basal melting in the Amundsen Sea Embayment from 2019 to 2023 X. Meng et al. https://doi.org/10.1088/1748-9326/ade729
- A new paradigm for understanding Earth’s marine ice sheets O. Sergienko et al. https://doi.org/10.1038/s41561-026-01941-2
- Melt sensitivity of irreversible retreat of Pine Island Glacier B. Reed et al. https://doi.org/10.5194/tc-18-4567-2024
- Calibrated sea level contribution from the Amundsen Sea sector, West Antarctica, under RCP8.5 and Paris 2C scenarios S. Rosier et al. https://doi.org/10.5194/tc-19-2527-2025
- Effects of subgrid-scale ice topography on the ice shelf basal melting simulated in NEMO-4.2.0 D. Vallot et al. https://doi.org/10.5194/tc-20-1997-2026
- The influence of subglacial lake discharge on Thwaites Glacier ice-shelf melting and grounding-line retreat N. Gourmelen et al. https://doi.org/10.1038/s41467-025-57417-1
- Results of the second Ice Shelf–Ocean Model Intercomparison Project (ISOMIP+) C. Yung et al. https://doi.org/10.5194/tc-20-2053-2026
- Automated grounding line delineation using deep learning and phase gradient-based approaches on COSMO-SkyMed DInSAR data N. Ross et al. https://doi.org/10.1016/j.rse.2024.114429
- Spatio-temporal melt and basal channel evolution on Pine Island Glacier ice shelf from CryoSat-2 K. Lowery et al. https://doi.org/10.5194/tc-19-4893-2025
Saved (final revised paper)
Latest update: 19 Jul 2026
Short summary
The West Antarctic Ice Sheet is losing ice at an accelerating pace. This is largely due to the presence of warm ocean water around the periphery of the Antarctic continent, which melts the ice. It is generally assumed that the strength of this process is controlled by the temperature of the ocean. However, in this study we show that an equally important role is played by the changing geometry of the ice sheet, which affects the strength of the ocean currents and thereby the melt rates.
The West Antarctic Ice Sheet is losing ice at an accelerating pace. This is largely due to the...