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

Hysteresis of idealized, instability-prone outlet glaciers under variation of pinning-point buttressing
Johannes Feldmann, Anders Levermann, and Ricarda Winkelmann
EGUsphere, https://doi.org/10.5194/egusphere-2024-457,https://doi.org/10.5194/egusphere-2024-457, 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
Consistent increase of East Asian Summer Monsoon rainfall and its variability under climate change over China in 34 coupled climate models
Anja Katzenberger and Anders Levermann
Earth Syst. Dynam. Discuss., https://doi.org/10.5194/esd-2023-19,https://doi.org/10.5194/esd-2023-19, 2023
Revised manuscript under review for ESD
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
Stabilizing effect of mélange buttressing on the marine ice-cliff instability of the West Antarctic Ice Sheet
Tanja Schlemm, Johannes Feldmann, Ricarda Winkelmann, and Anders Levermann
The Cryosphere, 16, 1979–1996, https://doi.org/10.5194/tc-16-1979-2022,https://doi.org/10.5194/tc-16-1979-2022, 2022
Short summary

Related subject area

Discipline: Ice sheets | Subject: Ice Sheets
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
Stagnant ice and age modelling in the Dome C region, Antarctica
Ailsa Chung, Frédéric Parrenin, Daniel Steinhage, Robert Mulvaney, Carlos Martín, Marie G. P. Cavitte, David A. Lilien, Veit Helm, Drew Taylor, Prasad Gogineni, Catherine Ritz, Massimo Frezzotti, Charles O'Neill, Heinrich Miller, Dorthe Dahl-Jensen, and Olaf Eisen
The Cryosphere, 17, 3461–3483, https://doi.org/10.5194/tc-17-3461-2023,https://doi.org/10.5194/tc-17-3461-2023, 2023
Short summary
Evaluation of the role of the Baltic depression during deglaciation of the last Scandinavian Ice Sheet; a landform-driven investigation
Izabela Szuman, Jakub Z. Kalita, Christiaan R. Diemont, Stephen J. Livingstone, Chris D. Clark, and Martin Margold
The Cryosphere Discuss., https://doi.org/10.5194/tc-2023-107,https://doi.org/10.5194/tc-2023-107, 2023
Revised manuscript accepted for TC
Short summary
Polar firn properties in Greenland and Antarctica and related effects on microwave brightness temperatures
Haokui Xu, Brooke Medley, Leung Tsang, Joel T. Johnson, Kenneth C. Jezek, Macro Brogioni, and Lars Kaleschke
The Cryosphere, 17, 2793–2809, https://doi.org/10.5194/tc-17-2793-2023,https://doi.org/10.5194/tc-17-2793-2023, 2023
Short summary
A model of the weathering crust and microbial activity on an ice-sheet surface
Tilly Woods and Ian J. Hewitt
The Cryosphere, 17, 1967–1987, https://doi.org/10.5194/tc-17-1967-2023,https://doi.org/10.5194/tc-17-1967-2023, 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.