Articles | Volume 15, issue 7
https://doi.org/10.5194/tc-15-3229-2021
© Author(s) 2021. 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-15-3229-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Jul 2021
Research article |
| 14 Jul 2021
| 14 Jul 2021
Marine ice sheet experiments with the Community Ice Sheet Model
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
William H. Lipscomb
Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, USA
Xylar S. Asay-Davis
Los Alamos National Laboratory, Los Alamos, NM, USA
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Cited
17 citations as recorded by crossref.
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- Antarctic tipping points triggered by the mid-Pliocene warm climate J. Blasco et al. 10.5194/cp-20-1919-2024
- Calculations of extreme sea level rise scenarios are strongly dependent on ice sheet model resolution C. Williams et al. 10.1038/s43247-025-02010-z
- Modelling feedbacks between the Northern Hemisphere ice sheets and climate during the last glacial cycle M. Scherrenberg et al. 10.5194/cp-19-399-2023
- Compensating errors in inversions for subglacial bed roughness: same steady state, different dynamic response C. Berends et al. 10.5194/tc-17-1585-2023
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- Present-day mass loss rates are a precursor for West Antarctic Ice Sheet collapse T. van den Akker et al. 10.5194/tc-19-283-2025
- Late Pleistocene glacial terminations accelerated by proglacial lakes M. Scherrenberg et al. 10.5194/cp-20-1761-2024
- Antarctic sensitivity to oceanic melting parameterizations A. Juarez-Martinez et al. 10.5194/tc-18-4257-2024
- 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
- 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
- Evaluating different geothermal heat-flow maps as basal boundary conditions during spin-up of the Greenland ice sheet T. Zhang et al. 10.5194/tc-18-387-2024
- Timescales of outlet-glacier flow with negligible basal friction: theory, observations and modeling J. Feldmann & A. Levermann 10.5194/tc-17-327-2023
- Benchmarking the vertically integrated ice-sheet model IMAU-ICE (version 2.0) C. Berends et al. 10.5194/gmd-15-5667-2022
- Statistical emulation of a perturbed basal melt ensemble of an ice sheet model to better quantify Antarctic sea level rise uncertainties M. Berdahl et al. 10.5194/tc-15-2683-2021
- ISMIP6-based projections of ocean-forced Antarctic Ice Sheet evolution using the Community Ice Sheet Model W. Lipscomb et al. 10.5194/tc-15-633-2021
15 citations as recorded by crossref.
- Exploring ice sheet model sensitivity to ocean thermal forcing and basal sliding using the Community Ice Sheet Model (CISM) M. Berdahl et al. 10.5194/tc-17-1513-2023
- Two-way coupling between ice flow and channelized subglacial drainage enhances modeled marine-ice-sheet retreat G. Lu & J. Kingslake 10.5194/tc-18-5301-2024
- Antarctic tipping points triggered by the mid-Pliocene warm climate J. Blasco et al. 10.5194/cp-20-1919-2024
- Calculations of extreme sea level rise scenarios are strongly dependent on ice sheet model resolution C. Williams et al. 10.1038/s43247-025-02010-z
- Modelling feedbacks between the Northern Hemisphere ice sheets and climate during the last glacial cycle M. Scherrenberg et al. 10.5194/cp-19-399-2023
- Compensating errors in inversions for subglacial bed roughness: same steady state, different dynamic response C. Berends et al. 10.5194/tc-17-1585-2023
- Improvements on the discretisation of boundary conditions to the momentum balance for glacial ice C. Berends et al. 10.1017/jog.2024.45
- Present-day mass loss rates are a precursor for West Antarctic Ice Sheet collapse T. van den Akker et al. 10.5194/tc-19-283-2025
- Late Pleistocene glacial terminations accelerated by proglacial lakes M. Scherrenberg et al. 10.5194/cp-20-1761-2024
- Antarctic sensitivity to oceanic melting parameterizations A. Juarez-Martinez et al. 10.5194/tc-18-4257-2024
- 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
- 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
- Evaluating different geothermal heat-flow maps as basal boundary conditions during spin-up of the Greenland ice sheet T. Zhang et al. 10.5194/tc-18-387-2024
- Timescales of outlet-glacier flow with negligible basal friction: theory, observations and modeling J. Feldmann & A. Levermann 10.5194/tc-17-327-2023
- Benchmarking the vertically integrated ice-sheet model IMAU-ICE (version 2.0) C. Berends et al. 10.5194/gmd-15-5667-2022
2 citations as recorded by crossref.
- Statistical emulation of a perturbed basal melt ensemble of an ice sheet model to better quantify Antarctic sea level rise uncertainties M. Berdahl et al. 10.5194/tc-15-2683-2021
- ISMIP6-based projections of ocean-forced Antarctic Ice Sheet evolution using the Community Ice Sheet Model W. Lipscomb et al. 10.5194/tc-15-633-2021
Latest update: 06 May 2025
Short summary
We present numerical features of the Community Ice Sheet Model in representing ocean termini glaciers. Using idealized test cases, we show that applying melt in a partly grounded cell is beneficial, in contrast to recent studies. We confirm that parameterizing partly grounded cells yields accurate ice sheet representation at a grid resolution of ~2 km (arguably 4 km), allowing ice sheet simulations at a continental scale. The choice of basal friction law also influences the ice flow.
We present numerical features of the Community Ice Sheet Model in representing ocean termini...
