Articles | Volume 10, issue 2
https://doi.org/10.5194/tc-10-751-2016
https://doi.org/10.5194/tc-10-751-2016
Research article
 | 
05 Apr 2016
Research article |  | 05 Apr 2016

The influence of a model subglacial lake on ice dynamics and internal layering

Eythor Gudlaugsson, Angelika Humbert, Thomas Kleiner, Jack Kohler, and Karin Andreassen

Related authors

Multi-annual patterns of rapidly draining supraglacial lakes in Northeast Greenland
Katrina Lutz, Ilaria Tabone, Angelika Humbert, and Matthias Braun
EGUsphere, https://doi.org/10.5194/egusphere-2024-3056,https://doi.org/10.5194/egusphere-2024-3056, 2024
Short summary
AWI-ICENet1: a convolutional neural network retracker for ice altimetry
Veit Helm, Alireza Dehghanpour, Ronny Hänsch, Erik Loebel, Martin Horwath, and Angelika Humbert
The Cryosphere, 18, 3933–3970, https://doi.org/10.5194/tc-18-3933-2024,https://doi.org/10.5194/tc-18-3933-2024, 2024
Short summary
Calving front monitoring at a subseasonal resolution: a deep learning application for Greenland glaciers
Erik Loebel, Mirko Scheinert, Martin Horwath, Angelika Humbert, Julia Sohn, Konrad Heidler, Charlotte Liebezeit, and Xiao Xiang Zhu
The Cryosphere, 18, 3315–3332, https://doi.org/10.5194/tc-18-3315-2024,https://doi.org/10.5194/tc-18-3315-2024, 2024
Short summary
Improved basal drag of the West Antarctic Ice Sheet from L-curve analysis of inverse models utilizing subglacial hydrology simulations
Lea-Sophie Höyns, Thomas Kleiner, Andreas Rademacher, Martin Rückamp, Michael Wolovick, and Angelika Humbert
EGUsphere, https://doi.org/10.5194/egusphere-2024-1251,https://doi.org/10.5194/egusphere-2024-1251, 2024
Short summary
Assessing the benefits of approximately exact step sizes for Picard and Newton solver in simulating ice flow (FEniCS-full-Stokes v.1.3.2)
Niko Schmidt, Angelika Humbert, and Thomas Slawig
Geosci. Model Dev., 17, 4943–4959, https://doi.org/10.5194/gmd-17-4943-2024,https://doi.org/10.5194/gmd-17-4943-2024, 2024
Short summary

Related subject area

Ice Sheets
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
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
The influence of firn-layer material properties on surface crevasse propagation in glaciers and ice shelves
Theo Clayton, Ravindra Duddu, Tim Hageman, and Emilio Martinez-Paneda
EGUsphere, https://doi.org/10.5194/egusphere-2024-660,https://doi.org/10.5194/egusphere-2024-660, 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
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

Cited articles

Aschwanden, A., Bueler, E., Khroulev, C., and Blatter, H.: An enthalpy formulation for glaciers and ice sheets, J. Glaciol., 58, 441–457, 2012.
Bell, R., Studinger, M., Shuman, C., Fahnestock, M., and Joughin, I.: Large subglacial lakes in East Antarctica at the onset of fast-flowing ice streams, Nature, 445, 904–907, 2007.
Bentley, M., Christoffersen, P., Hodgson, D., Smith, A., Tulaczyk, S., and Le Brocq, A.: Subglacial lake sediments and sedimentary processes: potential archives of ice sheet evolution, past environmental cange, and the presence of life, in: Antarctic Subglacial Aquatic Environments, American Geophysical Union, Washington, D.C., 83–110, https://doi.org/10.1029/GM192, 2013.
Christoffersen, P., Tulaczyk, S., Wattrus, N., Peterson, J., Quintana-Krupinski, N., Clark, C., and Sjunneskog, C.: Large subglacial lake beneath the Laurentide Ice Sheet inferred from sedimentary sequences, Geology, 36, 563–566, 2008.
Dowdeswell, J. and Siegert, M.: The dimensions and topographic setting of Antarctic subglacial lakes and implications for large-scale water storage beneath continental ice sheets, Geol. Soc. Am. Bull., 111, 254–263, 1999.
Download
Short summary
This paper explores the influence of a subglacial lake on ice dynamics and internal layers by means of numerical modelling as well as simulating the effect of a subglacial drainage event on isochrones. We provide an explanation for characteristic dip and ridge features found at the edges of many subglacial lakes and conclude that draining lakes can result in travelling waves at depth within isochrones, thus indicating the possibility of detecting past drainage events with ice penetrating radar.