Articles | Volume 14, issue 9
The Cryosphere, 14, 3097–3110, 2020
https://doi.org/10.5194/tc-14-3097-2020

Special issue: The Ice Sheet Model Intercomparison Project for CMIP6...

The Cryosphere, 14, 3097–3110, 2020
https://doi.org/10.5194/tc-14-3097-2020

Research article 17 Sep 2020

Research article | 17 Sep 2020

The role of history and strength of the oceanic forcing in sea level projections from Antarctica with the Parallel Ice Sheet Model

Ronja Reese et al.

Data sets

Data for publication "The role of history and strength of the oceanic forcing in sea-level projections from Antarctica with the Parallel Ice Sheet Model " R. Reese, A. Levermann, T. Albrecht, H. Seroussi, R. Winkelmann, M. Mengel, and other PISM authors https://doi.org/10.5281/zenodo.3903343

Model code and software

Data for publication "The role of history and strength of the oceanic forcing in sea-level projections from Antarctica with the Parallel Ice Sheet Model " R. Reese, A. Levermann, T. Albrecht, H. Seroussi, R. Winkelmann, M. Mengel, and other PISM authors https://doi.org/10.5281/zenodo.3903343

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Short summary
We compare 21st century projections of Antarctica's future sea-level contribution simulated with the Parallel Ice Sheet Model submitted to ISMIP6 with projections following the LARMIP-2 protocol based on the same model configuration. We find that (1) a preceding historic simulation increases mass loss by 5–50 % and that (2) the order of magnitude difference in the ice loss in our experiments following the two protocols can be explained by the translation of ocean forcing to sub-shelf melting.