Steady-state thermomechanical modelling of ice flow near the centre of large ice sheets with the finite-element technique

Annals of Glaciology

Volumn 23, Issue , 1996, Pages

  Hvidberg, Christine Schøtt ^a  

^a UNIVERSITY OF COPENHAGEN   (Denmark)

Author keywords

[No Author keywords available]

Indexed keywords

FINITE ELEMENT MODEL; ICE DIVIDE; ICE FLOW MODELLING; ICE MECHANICS; THERMOMECHANICAL MODELLING;

EID: 0030368709     PISSN: 02603055     EISSN: None     Source Type: Journal    
DOI: 10.1017/s026030550001332x     Document Type: Article

References (30)

1. Dahl-Jensen, D. 1989a. Steady thermomechanical flow along two-dimensional flow lines in large grounded ice sheets. J. Geophys. Res., 94(B8), 10,355-10,362.
2. Dahl-Jensen, D. 1989b. Two-dimensional thermo-mechanical modelling of flow and depth-age profiles near the ice divide in central Greenland. Ann. Glaciol., 12, 31-36.
3. Dahl-Jensen, D. and S. J. Johnsen. 1986. Palaeotemperatures still exist in the Greenland ice sheet. Nature, 320(6059), 250-252.
4. Dahl-Jensen, D., S. J. Johnsen, C. U. Hammer, H. B. Clausen and J. Jouzel. 1993, Past accumulation rates derived from observed animal layers in the GRIP ice core from Summit, central Greenland. In Peltier, W. R., ed. Ice in the climate system. Berlin, etc., Springer-Verlag, 517-532. (NATO ASI Series I: Global Environmental Change 12.)
5. Firestone, J., E. Waddington and J. Cunningham. 1990. The potential for basal melting under Summit, Greenland. J. Glaciol., 36(123), 163-168.
6. Glen, J. W. 1955. The creep of polycrystalline ice. Proc. R. Soc. London, Ser. A, 228(1175), 519-538.
7. Hanson, B. 1990. Thermal response of a small ice cap to climatic forcing. J. Glaciol., 36(122), 49-56.
8. Hanson, B. 1995. A fully three-dimensional finite-elemeht model applied to velocities on Storglaciären, Sweden, J. Glaciol., 41(137), 91-102.
9. Hindmarsh, R. C. A., G. S. Boulton and K. Hutter. 1989. Modes of operation of thermo-mechanically coupled ice sheets. Ann. Glaciol., 12, 57-69.
10. Hodge, S. M. 1985. Two-dimensional, time-dependent modeling of an arbitrarily shaped ice mass with the finite-element technique. J. Glaciol., 31(109), 350.-359.
11. Hooke, R. LeB., C. F. Raymond, R. L. Hotchkiss and R. J. Gustafson. 1979. Calculations of velocity, and temperature in a polar glacier using the finite-element method. J. Glaciol., 24(90), 131-146.
12. Hutter, K. 1983. Theoretical glaciology: material science of ice and the mechanics of glaciers and ice sheets. Dordrecht, Reidel/Tokyo, Terra Publishing Company.
13. Hutter, K. 1993. Thermo-mechanically coupled ice-sheet response - cold, polythermal, temperate. J. Glaciol., 39(131), 65 86.
14. Hutter, K., S. Yakowitz and F. Szidarovszky. 1986. A numerical study of plane ice-sheet flow. J. Glaciol., 32(111), 139-160.
15. Hutter, K., S. Yakowitz and F. Szidarovszky. 1987. Coupled thermo-mechanical response of an axisymmetric cold ice sheet. Water Resour. Res., 23(7), 1327-1339.
16. Hvidberg, C. S. 1993. A thermo-mechanical ice flow model for the centre of large ice sheets. (Ph.D. thesis, University of Copenhagen.)
17. Johnsen, S. J. and 9 others. 1992. Irregular glacial interstadials recorded in a new Greenland ice core. Nature, 359(6393), 311-313.
18. Johnson, I. R. 1981. The steady profile of an axisymmetric ice sheet. J. Glaciol., 27(95), 25-37.
19. Morland, L. W. and I. R. Johnson. 1980. Steady motion of ice sheets. J. Glaciol., 25(92), 229-246.
20. Paterson, W. S. B. 1994. The physics of glaciers. Third edition. Oxford, etc., Elsevier Science Ltd.
21. Paterson, W. S. B. and E. D. Waddington. 1984. Past precipitation rates derived from ice-core measurements: methods and data analysis. Rev. Geophys. Space Phys., 22(2), 123-130.
22. Paterson, W. S. B. and E. D. Waddington. 1986. Estimated basal ice temperatures at Crête, Greenland, throughout a glacial cycle. Cold Reg. Sci. Technol., 12(1), 99-102.
23. Raymond, C. F. 1983. Deformation in the vicinity of ice divides. J. Glaciol., 29(103), 357-373.
24. Reeh, N. 1988. A flow-line model for calculating the surface profile and the velocity, strain-rate, and stress fields in an ice sheet. J. Glaciol., 34(116), 46-54.
25. Reeh, N. 1989. The age-depth profile in the upper part of a steady-state ice sheet. J. Glaciol., 35(121), 406-417.
26. Ritz, C. 1989. Interpretation of the temperature profile measured at Vostok, East Antarctica. Ann. Glaciol., 12, 138-144.
27. Schott, C., E. D. Waddington and C. F. Raymond. 1992. Predicted time-scales for GISP2 and GRIP boreholes at Summit, Greenland, J. Glaciol., 38(128), 162-168.
28. Szidarovszky, F., K. Hutter and S. Yakowitz. 1989. Computational ice-divide analysis of a cold plane ice sheet under steady conditions. Ann. Glaciol., 12, 170-177.
29. Waddington, E. D., D. A. Fisher, R. M. Koerner and W. S. B. Paterson. 1986. Flow near an ice divide: analysis problems and data requirements. Ann, Glaciol., 8, 171-174.
30. Zienkiewicz, O. C. and R. L. Taylor. 1989. The finite element method. Fourth edition. London, etc., McGraw-Hill Book Company.