Self-organization in the thermomechanical flow of ice sheets

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue 6, 1997, Pages 12219-12233

  Payne, A J ^a   Dongelmans, P W ^b  

^a UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

^b UNIVERSITY OF AMSTERDAM   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

GLACIAL PROCESSES; GLACIOLOGY; ICE SHEET MODEL; ICE STREAM EVOLUTION; THERMOMECHANICAL FLOW;

EID: 0031471067     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/97jb00513     Document Type: Article

References (43)

1. Alley, R. B., S. Anandakrishnan, C. R. Bentley, and N. Lord, A water-piracy hypothesis for the stagnation of ice stream C, Ann. Glaciol., 20, 187-194, 1995.
2. Brown, N. E., B. Hallet, and D. Booth, Rapid soft bed sliding of the Puget glacial lobe, J. Geophys. Res., 92, 8985-8997, 1987.
3. Budd, W. F., P. L. Keage, and N. A. Blundy, Empirical studies of ice sliding, J. Glaciol., 23, 157-170, 1979.
4. Clark, P. U., Unstable behavior of the Laurentide Ice Sheet over deforming sediment, and its implications for climatic change, Quat. Res., 41, 19-25, 1994.
5. Clarke, G. K. C., Fast glacier flow: Ice streams, surging and tidewater glaciers, J. Geophys. Res., 92, 8835-8841, 1987a.
6. Clarke, G. K. C., Subglacial till: A physical framework for its properties and processes, J. Geophys. Res., 92, 9023-9036, 1987b.
7. Clarke, G. K. C., U. Nitsan, and W. S. B. Paterson, Strain heating and creep instability in glaciers and ice sheets, Rev. Geophys., 15, 235-247, 1977.
8. Dongelmans, P. W., Glacial dynamics of the Fennoscandian Ice Sheet: a remote sensing study, Ph.D. thesis, Univ. of Edinburgh, Edinburgh, Scotland, 1996.
9. Dyke, A., and V. K. Prest, Late Wisconsinan and Holocene history of the Laurentide Ice Sheet, Géogr. Phys. Quat., 41, 237-264, 1987.
10. Fowler, A. C., and C. Johnson, Ice sheet surging and ice stream formation, Ann. Glaciol., 23, 68-73, 1996.
11. Glasser, N. F., Modelling the effect of topography on ice sheet erosion, Scotland, Geogr. Ann. A, 77, 67-82, 1995.
12. Greve, R., and D. R. MacAyeal, Dynamic/thermodynamic simulations of Laurentide ice sheet instability, Ann. Glaciol., 23, 328-335, 1996.
13. Hindmarsh, R. C. A., Qualitative dynamics of marine ice sheets, in Ice in the Climate System, edited by W. R. Peltier, NATO ASI Ser., Ser. I, 12, 67-99, 1993.
14. Hindmarsh, R. C. A., and A. J. Payne, Time step limits for stable solutions of the ice sheet equation, Ann. Glaciol., 23, 74-85, 1996.
15. Hindmarsh, R. C. A., G. S. Boulton, and K. Hutter, Modes of operation of thermo-mechanically coupled ice sheets, Ann. Glaciol., 12, 57-69, 1989.
16. Huybrechts, P., A three dimensional time dependent numerical model for polar ice sheets: Some basic testing with a stable and efficient finite difference scheme, Tech. Rep. 86/1, Vrije Univ. Brussel Geogr. Inst., Brussels, Belgium, 1986.
17. Huybrechts, P., A 3-D model for the Antarctic Ice Sheet: A sensitivity study on the glacial-interglacial contrast, Clim. Dyn., 5, 79-92, 1990.
18. Huybrechts, P., and H. Oerlemans, Evolution of the East Antarctic Ice Sheet: A numerical study of thermomechanical response patterns with changing climate, Ann. Glaciol., 11, 52-59, 1988.
19. Huybrechts, P., and S. T'Siobbel, Thermomechanical modelling of northern hemisphere ice sheets with a two-level mass-balance parameterisation. Ann. Glaciol., 21, 111-116, 1995.
20. Huybrechts, P., A. J. Payne, and EISMINT Intercomparison Group, The EISMINT benchmarks for testing ice-sheet models, Ann. Glaciol., 23, 1-12, 1996.
21. Iken, A., K. Echelmeyer, W. Harrison, and M. Funk, Mechanisms for fast ice flow in Jacobshavns Isbræ, West Greenland, 1, Measurements of temperature and water level in deep bore holes, J. Glaciol., 39, 15-25, 1993.
22. Jacobel, R. W., T. A. Scambos, C. F. Raymond, and A. M. Gades, Changes in the configuration of ice stream flow from the West Antarctic Ice Sheet, J. Geophys. Res., 101, 5499-5504, 1996.
23. Jenssen, D., A three-dimensional polar ice-sheet model, J. Glaciol., 18, 373-389, 1977.
24. MacAyeal, D. R., Large-scale flow over a viscous basal sediment: Theory and application to Ice Stream B, Antarctica, J. Geophys. Res., 94, 4071-4087, 1989.
25. Mahaffy, M. A. W., A three-dimensional numerical model of ice sheets: Tests on the Barnes Ice Cap, Northwest-Territories, J. Geophys. Res., 81, 1059-1066, 1976.
26. Marshall, S. J., G. K. C. Clarke, A. S. Dyke, and D. A. Fisher, Geological and topographic controls on fast flow in the Laurentide and Cordilleran Ice Sheets, J. Geophys. Res., 101, 17827-17839, 1996.
27. McIntyre, N. F., The dynamics of ice-sheet outlets. J. Glaciol, 31, 99-107, 1985.
28. Muszynskj, I., and G. E. Birchfield, A coupled marine ice-stream ice-shelf model, J. Glaciol., 33, 3-15, 1987.
29. Oerlemans, H., and C. van der Veen, Ice Sheets and Climate, D. Reidel, Norwell, Mass., 1984.
30. Paterson, W. S. B., The Physics of Glaciers, 2nd ed., Pergamon, New York, 1981.
31. Paterson, W. S. B., and W. F. Budd, Flow parameters for ice sheet modelling, Cold Reg. Sci. Technol., 6, 175-177, 1982.
32. Pattyn, F., Numerical modelling of a fast flowing outlet glacier: Experiments with different basal conditions, Ann. Glaciol., 23, 237-246, 1996.
33. Payne, A. J., Limit cycles in the basal thermal regime of ice sheets, J. Geophys. Res., 100, 4249-4263, 1995.
34. Press, W. H., S. A. Teukolsky, W. Vetterling, and B. Flannery, Numerical Recipes in Fortran: The Art of Scientific Computing, 2nd ed., Cambridge Univ. Press, New York, 1992.
35. Punkari, M., The ice lobes of the Scandinavian Ice Sheet during the deglaciation in Finland, Boreas, 9, 307-310, 1980.
36. Remson, I., G. M. Hornberger, and F. J. Molz, Numerical Methods in Subsurface Hydrology, John Wiley, New York, 1971.
37. Retzlaff, R., and C. R. Bentley, Timing of stagnation of Ice Stream B, West Antarctica, from short-pulse radar studies of buried surface crevasses, J. Glaciol., 39, 553-561, 1993.
38. Shabtaie, S., and C. R. Bentley, West Antarctic ice streams draining into the Ross Ice Shelf: Configuration and mass balance, J. Geophys. Res., 92, 1311-1336, 1987.
39. Shabtaie, S., and C. R. Bentley, Ice-thickness map of the West Antarctic ice streams by radar sounding, Ann. Glaciol., 11, 126-136, 1988.
40. Smith, G. D., Numerical Solution of Partial Difference Equations: Finite Difference Methods, 3rd ed., Clarendon, Oxford, 1985.
41. Sugden, D. E., Reconstruction of the morphology, dynamics, and thermal characteristics of the Laurentide Ice Sheet at its maximum, Arct. Alp. Res., 9, 21-47, 1977.
42. Walder, J. S., Hydraulics of subglacial cavities, J. Glaciol., 32, 437-445, 1986.
43. Yuen, D. A., M. R. Saari, and G. Schubert, Explosive growth of shear-heating instabilities in the down-slope creep of ice sheets, J. Glaciol., 32, 314-320, 1986.