Articles | Volume 13, issue 6
https://doi.org/10.5194/tc-13-1621-2019
https://doi.org/10.5194/tc-13-1621-2019
Research article
 | 
13 Jun 2019
Research article |  | 13 Jun 2019

Scaling of instability timescales of Antarctic outlet glaciers based on one-dimensional similitude analysis

Anders Levermann and Johannes Feldmann

Related authors

Does the pace of carbon emissions matter in an atmospheric general circulation model?
Anja Katzenberger and Anders Levermann
Earth Syst. Dynam. Discuss., https://doi.org/10.5194/esd-2024-40,https://doi.org/10.5194/esd-2024-40, 2025
Preprint under review for ESD
Short summary
Hysteresis of idealized, instability-prone outlet glaciers in response to pinning-point buttressing variation
Johannes Feldmann, Anders Levermann, and Ricarda Winkelmann
The Cryosphere, 18, 4011–4028, https://doi.org/10.5194/tc-18-4011-2024,https://doi.org/10.5194/tc-18-4011-2024, 2024
Short summary
Consistent increase in East Asian Summer Monsoon rainfall and its variability under climate change over China in CMIP6
Anja Katzenberger and Anders Levermann
Earth Syst. Dynam., 15, 1137–1151, https://doi.org/10.5194/esd-15-1137-2024,https://doi.org/10.5194/esd-15-1137-2024, 2024
Short summary
The Framework for Assessing Changes To Sea-level (FACTS) v1.0: a platform for characterizing parametric and structural uncertainty in future global, relative, and extreme sea-level change
Robert E. Kopp, Gregory G. Garner, Tim H. J. Hermans, Shantenu Jha, Praveen Kumar, Alexander Reedy, Aimée B. A. Slangen, Matteo Turilli, Tamsin L. Edwards, Jonathan M. Gregory, George Koubbe, Anders Levermann, Andre Merzky, Sophie Nowicki, Matthew D. Palmer, and Chris Smith
Geosci. Model Dev., 16, 7461–7489, https://doi.org/10.5194/gmd-16-7461-2023,https://doi.org/10.5194/gmd-16-7461-2023, 2023
Short summary
Timescales of outlet-glacier flow with negligible basal friction: theory, observations and modeling
Johannes Feldmann and Anders Levermann
The Cryosphere, 17, 327–348, https://doi.org/10.5194/tc-17-327-2023,https://doi.org/10.5194/tc-17-327-2023, 2023
Short summary

Related subject area

Discipline: Ice sheets | Subject: Ice Sheets
The influence of firn layer material properties on surface crevasse propagation in glaciers and ice shelves
Theo Clayton, Ravindra Duddu, Tim Hageman, and Emilio Martínez-Pañeda
The Cryosphere, 18, 5573–5593, https://doi.org/10.5194/tc-18-5573-2024,https://doi.org/10.5194/tc-18-5573-2024, 2024
Short summary
Probabilistic projections of the Amery Ice Shelf catchment, Antarctica, under conditions of high ice-shelf basal melt
Sanket Jantre, Matthew J. Hoffman, Nathan M. Urban, Trevor Hillebrand, Mauro Perego, Stephen Price, and John D. Jakeman
The Cryosphere, 18, 5207–5238, https://doi.org/10.5194/tc-18-5207-2024,https://doi.org/10.5194/tc-18-5207-2024, 2024
Short summary
Spatio-Temporal Patterns of Accumulation and Surface Roughness in Interior Greenland with a GNSS-IR Network
Derek James Pickell, Robert Lyman Hawley, and Adam LeWinter
EGUsphere, https://doi.org/10.5194/egusphere-2024-2898,https://doi.org/10.5194/egusphere-2024-2898, 2024
Short summary
Reconstructing dynamics of the Baltic Ice Stream Complex during deglaciation of the Last Scandinavian Ice Sheet
Izabela Szuman, Jakub Z. Kalita, Christiaan R. Diemont, Stephen J. Livingstone, Chris D. Clark, and Martin Margold
The Cryosphere, 18, 2407–2428, https://doi.org/10.5194/tc-18-2407-2024,https://doi.org/10.5194/tc-18-2407-2024, 2024
Short summary
Assessing the potential for ice flow piracy between the Totten and Vanderford glaciers, East Antarctica
Felicity S. McCormack, Jason L. Roberts, Bernd Kulessa, Alan Aitken, Christine F. Dow, Lawrence Bird, Benjamin K. Galton-Fenzi, Katharina Hochmuth, Richard S. Jones, Andrew N. Mackintosh, and Koi McArthur
The Cryosphere, 17, 4549–4569, https://doi.org/10.5194/tc-17-4549-2023,https://doi.org/10.5194/tc-17-4549-2023, 2023
Short summary

Cited articles

Asay-Davis, X. S., Cornford, S. L., Durand, G., Galton-Fenzi, B. K., Gladstone, R. M., Gudmundsson, G. H., Hattermann, T., Holland, D. M., Holland, D., Holland, P. R., Martin, D. F., Mathiot, P., Pattyn, F., and Seroussi, H.: Experimental design for three interrelated marine ice sheet and ocean model intercomparison projects: MISMIP v. 3 (MISMIP +), ISOMIP v. 2 (ISOMIP +) and MISOMIP v. 1 (MISOMIP1), Geosci. Model Dev., 9, 2471–2497, https://doi.org/10.5194/gmd-9-2471-2016, 2016. a
Bamber, J. L., Riva, R. E. M., Vermeersen, B. L. A., and LeBrocq, A. M.: Reassessment of the Potential Sea-Level Rise from a Collapse of the West Antarctic Ice Sheet, Science, 324, 901–903, https://doi.org/10.1126/science.1169335, 2009. a
Bentley, C. R., Crary, A. P., Ostenso, N. A., and Thiel, E. C.: Structure of West Antarctica, Science, 131, 131–136, https://doi.org/10.1126/science.131.3394.131, 1960. a
Buckingham, E.: On Physically Similar Systems; Illustrations of the Use of Dimensional Equations, Phys. Rev., 4, 345–376, https://doi.org/10.1103/PhysRev.4.345, 1914. a
Burton, J. C., Amundson, J. M., Abbot, D. S., Boghosian, A., Cathles, L. M., Correa-Legisos, S., Darnell, K. N., Guttenberg, N., Holland, D. M., and MacAyeal, D. R.: Laboratory Investigations of Iceberg Capsize Dynamics, Energy Dissipation and Tsunamigenesis: Iceberg capsize dynamics, J. Geophys. Res.-Earth, 117, F01007, https://doi.org/10.1029/2011JF002055, 2012. a
Download
Short summary
Using scaling analysis we propose that the currently observed marine ice-sheet instability in the Amundsen Sea sector might be faster than all other potential instabilities in Antarctica.