Articles | Volume 8, issue 10
https://doi.org/10.5194/gmd-8-3199-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-8-3199-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
A new sub-grid surface mass balance and flux model for continental-scale ice sheet modelling: testing and last glacial cycle
K. Le Morzadec
Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
L. Tarasov
CORRESPONDING AUTHOR
Department of Physics and Physical Oceanography, Memorial University of Newfoundland, St. John's, Newfoundland, Canada
M. Morlighem
Department of Earth System Science, University of California, Irvine, California, USA
H. Seroussi
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
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Cited
11 citations as recorded by crossref.
- Simulating Marine Isotope Stage 7 with a coupled climate–ice sheet model D. Choudhury et al. https://doi.org/10.5194/cp-16-2183-2020
- Rate of mass loss from the Greenland Ice Sheet will exceed Holocene values this century J. Briner et al. https://doi.org/10.1038/s41586-020-2742-6
- Last glacial inception trajectories for the Northern Hemisphere from coupled ice and climate modelling T. Bahadory et al. https://doi.org/10.5194/cp-17-397-2021
- The glacial systems model (GSM) Version 25G L. Tarasov et al. https://doi.org/10.5194/gmd-18-9565-2025
- Reconstruction of North American drainage basins and river discharge since the Last Glacial Maximum A. Wickert https://doi.org/10.5194/esurf-4-831-2016
- LCice 1.0 – a generalized Ice Sheet System Model coupler for LOVECLIM version 1.3: description, sensitivities, and validation with the Glacial Systems Model (GSM version D2017.aug17) T. Bahadory & L. Tarasov https://doi.org/10.5194/gmd-11-3883-2018
- The impact of model resolution on the simulated Holocene retreat of the southwestern Greenland ice sheet using the Ice Sheet System Model (ISSM) J. Cuzzone et al. https://doi.org/10.5194/tc-13-879-2019
- Ice sheet model simulations reveal that polythermal ice conditions existed across the northeastern USA during the Last Glacial Maximum J. Cuzzone et al. https://doi.org/10.5194/tc-19-1559-2025
- Simulating the Holocene deglaciation across a marine-terminating portion of southwestern Greenland in response to marine and atmospheric forcings J. Cuzzone et al. https://doi.org/10.5194/tc-16-2355-2022
- The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 L. Menviel et al. https://doi.org/10.5194/gmd-12-3649-2019
- Modeling the timing of Patagonian Ice Sheet retreat in the Chilean Lake District from 22–10 ka J. Cuzzone et al. https://doi.org/10.5194/tc-18-1381-2024
11 citations as recorded by crossref.
- Simulating Marine Isotope Stage 7 with a coupled climate–ice sheet model D. Choudhury et al. https://doi.org/10.5194/cp-16-2183-2020
- Rate of mass loss from the Greenland Ice Sheet will exceed Holocene values this century J. Briner et al. https://doi.org/10.1038/s41586-020-2742-6
- Last glacial inception trajectories for the Northern Hemisphere from coupled ice and climate modelling T. Bahadory et al. https://doi.org/10.5194/cp-17-397-2021
- The glacial systems model (GSM) Version 25G L. Tarasov et al. https://doi.org/10.5194/gmd-18-9565-2025
- Reconstruction of North American drainage basins and river discharge since the Last Glacial Maximum A. Wickert https://doi.org/10.5194/esurf-4-831-2016
- LCice 1.0 – a generalized Ice Sheet System Model coupler for LOVECLIM version 1.3: description, sensitivities, and validation with the Glacial Systems Model (GSM version D2017.aug17) T. Bahadory & L. Tarasov https://doi.org/10.5194/gmd-11-3883-2018
- The impact of model resolution on the simulated Holocene retreat of the southwestern Greenland ice sheet using the Ice Sheet System Model (ISSM) J. Cuzzone et al. https://doi.org/10.5194/tc-13-879-2019
- Ice sheet model simulations reveal that polythermal ice conditions existed across the northeastern USA during the Last Glacial Maximum J. Cuzzone et al. https://doi.org/10.5194/tc-19-1559-2025
- Simulating the Holocene deglaciation across a marine-terminating portion of southwestern Greenland in response to marine and atmospheric forcings J. Cuzzone et al. https://doi.org/10.5194/tc-16-2355-2022
- The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 L. Menviel et al. https://doi.org/10.5194/gmd-12-3649-2019
- Modeling the timing of Patagonian Ice Sheet retreat in the Chilean Lake District from 22–10 ka J. Cuzzone et al. https://doi.org/10.5194/tc-18-1381-2024
Saved (final revised paper)
Latest update: 19 Sep 2026
Short summary
A long-term challenge for any model of complex large-scale processes
is accounting for the impact of unresolved sub-grid (SG) processes.
We quantify the impact of SG mass-balance and ice fluxes on glacial
cycle ensemble results for North America. We find no easy solutions to
accurately capture these impacts. We show that SG process
representation and associated parametric uncertainties can have
significant impact on coarse resolution model results for glacial
cycle ice sheet evolution.
A long-term challenge for any model of complex large-scale processes
is accounting for the...