Permanent fast flow versus cyclic surge behaviour: Numerical simulations of the austfonna ice cap, svalbard

Journal of Glaciology

Volumn 57, Issue 202, 2011, Pages 247-259

  Dunse, Thorben ^a   Greve, Ralf ^b   Vikhamar Schuler, Thomas ^a   Ove Hagen, Jon ^a  

^a UNIVERSITY OF OSLO   (Norway)

^b HOKKAIDO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL FLOW; CYCLICITY; FLOW MODELING; FLOW VELOCITY; GLACIER DYNAMICS; ICE CAP; ICE FLOW; NUMERICAL MODEL; PARAMETERIZATION;

ARCTIC; AUSTFONNA; NORDAUSTLANDET; SVALBARD; SVALBARD AND JAN MAYEN;

EID: 79960487081     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/002214311796405979     Document Type: Article

References (72)

1. Albrecht, T., M. Martin, M. Haseloff, R. Winkelmann and A. Levermann. 2010. Parameterization for subgrid-scale motion of ice-shelf calving-fronts. Cryosphere, 4(3), 1497-1523.
2. Bamber, J., W. Krabill, V. Raper and J. Dowdeswell. 2004. Anomalous recent growth of part of a large Arctic ice cap: Austfonna, Svalbard. Geophys. Res. Lett., 31(12), L12402. (10.1029/2004GL019667.) (Pubitemid 39393737)
3. Benn, D.I., N.R.J. Hulton and R.H. Mottram. 2007. 'Calving laws', 'sliding laws' and the stability of tidewater glaciers. Ann. Glaciol., 46, 123-130.
4. Bevan, S., A. Luckman, T. Murray, H. Sykes and J. Kohler. 2007. Positive mass balance during the late 20th century on Austfonna, Svalbard, revealed using satellite radar interferometry. Ann. Glaciol., 46, 117-122.
5. Björnsson, H. and 6 others. 1996. The thermal regime of sub-polar glaciers mapped by multi-frequency radio-echo sounding. J. Glaciol., 42(140), 23-32.
6. Blake, W. 2006. Occurrence of the Mytilus edulis complex on Nordaustlandet, Svalbard: radiocarbon ages and climatic implications. Polar Res., 25(2), 123-137.
7. Bueler, E. and J. Brown. 2009. Shallow shelf approximation as a 'sliding law' in a thermomechanically coupled ice sheet model. J. Geophys. Res., 114(F3), F03008. (10.1029/2008JF001179.)
8. Bueler, E., J. Brown and C. Lingle. 2007. Exact solutions to the thermomechanically coupled shallow-ice approximation: effective tools for verification. J. Glaciol., 53(182), 499-516.
9. Calov, R., A. Ganopolski, V. Petoukhov, M. Claussen and R. Greve. 2002. Large-scale instabilities of the Laurentide ice sheet simulated in a fully coupled climate-system model. Geophys. Res. Lett., 29(24), 2216. (10.1029/2002GL016078.)
10. Calov, R. and 10 others. 2010. Results from the Ice-Sheet Model Intercomparison Project-Heinrich Event INtercOmparison (ISMIP HEINO). J. Glaciol., 56(197), 371-383.
11. Clarke, G.K.C. 1976. Thermal regulation of glacier surging. J. Glaciol., 16(74), 231-250.
12. Clarke, G.K.C. 1987. Fast glacier flow: ice streams, surging and tidewater glaciers. J. Geophys. Res., 92(B9), 8835-8841.
13. Clarke, G.K.C., S.G. Collins and D.E. Thompson. 1984. Flow, thermal structure, and subglacial conditions of a surge-type glacier. Can. J. Earth Sci., 21(2), 232-240.
14. Dolgoushin, L.D. and G.B. Osipova. 1975. Glacier surges and the problem of their forecasting. IAHS Publ. 104 (Symposium at Moscow 1971 - Snow and Ice), 292-304.
15. Dowdeswell, J.A. 1986. Drainage-basin characteristics of Nordaustlandet ice caps, Svalbard. J. Glaciol., 32(110), 31-38.
16. Dowdeswell, J.A., D.J. Drewry, A.P.R. Cooper, M.R. Gorman, O. Liestøl and O. Orheim. 1986. Digital mapping of the Nordaustlandet ice caps from airborne geophysical investigations. Ann. Glaciol., 8, 51-58.
17. Dowdeswell, J.A., G.S. Hamilton and J.O. Hagen. 1991. The duration of the active phase on surge-type glaciers: contrasts between Svalbard and other regions. J. Glaciol., 37(127), 388-400.
18. Dowdeswell, J.A., B. Unwin, A.-M. Nuttall and D.J. Wingham. 1999. Velocity structure, flow instability and mass flux on a large Arctic ice cap from satellite radar interferometry. Earth Planet. Sci. Lett., 167(3-4), 131-140. (Pubitemid 29300992)
19. Dowdeswell, J.A., T.J. Benham, T. Strozzi and J.O. Hagen. 2008. Iceberg calving flux and mass balance of the Austfonna ice cap on Nordaustlandet, Svalbard. J. Geophys. Res., 113(F3), F03022. (10.1029/2007JF000905.)
20. Dunse, T., T.V. Schuler, J.O. Hagen, T. Eiken, O. Brandt and K.A. Høgda. 2009. Recent fluctuations in the extent of the firn area of Austfonna, Svalbard, inferred from GPR. Ann. Glaciol., 50, 155-162.
21. Fowler, A.C., T. Murray and F.S.L. Ng. 2001. Thermally controlled glacier surging. J. Glaciol., 47(159), 527-538. (Pubitemid 34495059)
22. Glasser, N.F. and M.J. Hambrey. 2001. Styles of sedimentation beneath Svalbard valley glaciers under changing dynamic and thermal regimes. J. Geol. Soc. [London], 158(4), 697-707.
23. Greve, R. 1997. A continuum-mechanical formulation for shallow polythermal ice sheets. Philos. Trans. R. Soc. London, Ser. A, 355(1726), 921-974.
24. Greve, R. 2005. Relation of measured basal temperatures and the spatial distribution of the geothermal heat flux for the Greenland ice sheet. Ann. Glaciol., 42, 424-432. (Pubitemid 44322235)
25. Greve, R. and H. Blatter. 2009. Dynamics of ice sheets and glaciers. Berlin, etc., Springer.
26. Greve, R., M. Weis and K. Hutter. 1998. Palaeoclimatic evolution and present conditions of the Greenland ice sheet in the vicinity of Summit: an approach by large-scale modelling. Palaeoclimates, 2(2-3), 133-161.
27. Greve, R., R. Takahama and R. Calov. 2006. Simulation of largescale ice-sheet surges: the ISMIP HEINO experiments. Polar Meteorol. Glaciol. 20, 1-15. (Pubitemid 46542278)
28. Hagen, J.O., O. Liestøl, E. Roland and T. Jørgensen. 1993. Glacier atlas of Svalbard and Jan Mayen. Nor. Polarinst. Medd. 129.
29. Hagen, J.O., T. Eiken, J. Kohler and K. Melvold. 2005. Geometry changes on Svalbard glaciers: mass-balance or dynamic response? Ann. Glaciol., 42, 255-261. (Pubitemid 44322214)
30. Hamilton, G.S. and J.A. Dowdeswell. 1996. Controls on glacier surging in Svalbard. J. Glaciol., 42(140), 157-168.
31. Hindmarsh, R. 1997. Deforming beds: viscous and plastic scales of deformation. Quat. Sci. Rev., 16(9), 1039-1056. (Pubitemid 28102269)
32. Hindmarsh, R.C.A. and E. Le Meur. 2001. Dynamical processes involved in the retreat of marine ice sheets. J. Glaciol., 47(157), 271-282. (Pubitemid 33119241)
33. Hjort, C., J. Mangerud, L. Adrielsson, S. Bondevik, J.Y. Landvik and O. Salvigsen. 1995. Radiocarbon dated common mussels Mytilus edulis from eastern Svalbard and the Holocene marine climatic optimum. Polar Res., 14(2), 239-243. (Pubitemid 26477453)
34. Hutter, K. 1983. Theoretical glaciology; material science of ice and the mechanics of glaciers and ice sheets. Dordrecht, etc., D. Reidel Publishing Co./Tokyo, Terra Scientific Publishing Co.
35. Ignatieva, I.Y. and Yu.Ya. Macheret. 1991. Evolution of Nordaustlandet ice caps in Svalbard under climate warming. IAHS Publ. 208 (Symposium at St. Petersburg 1990 - Glaciers-Ocean- Atmosphere Interactions), 301-312.
36. Jakobsson, M. and 7 others. 2008. An improved bathymetric portrayal of the Arctic Ocean: implications for ocean modeling and geological, geophysical and oceanographic analyses. Geophys. Res. Lett., 35(7), L07602. (10.1029/2008GL033520.) (Pubitemid 351858638)
37. Jiskoot, H., T. Murray and P. Boyle. 2000. Controls on the distribution of surge-type glaciers in Svalbard. J. Glaciol., 46(154), 412-422. (Pubitemid 32065348)
38. Kamb, B. 1987. Glacier surge mechanism based on linked cavity configuration of the basal water conduit system. J. Geophys. Res., 92(B9), 9083-9100.
39. Kamb, B. and 7 others. 1985. Glacier surge mechanism: 1982- 1983 surge of Variegated Glacier, Alaska. Science, 227(4686), 469-479. (Pubitemid 15252328)
40. Kotlyakov, V.M. and Y. Macheret. 1987. Radio echo-sounding of sub-polar glaciers in Svalbard: some problems and results of Soviet studies. Ann. Glaciol., 9, 151-159.
41. Lauritzen, ö . and Y. Ohta. 1984. Geological map of Svalbard 1:500,000. Sheet 4G, Nordaustlandet. Nor. Polarinst. Skr. 154D.
42. MacAyeal, D.R. 1993. Binge/purge oscillations of the Laurentide ice sheet as a cause of the North Atlantic's Heinrich events. Paleoceanography, 8(6), 775-784.
43. Macheret, Yu.Ya. and E.V. Vasilenko. 1988. [Pecularities of internal structure and regime of glaciers on Nordaustlandet by airborne radio-echo sounding data]. Mater. Glyatsiol. Issled./Data Glaciol. Stud. 62, 44-56. [In Russian with English summary.]
44. Macheret, Y., L.I. Bobrova and L.V. Sankina. 1991. Ob'yemnoye gidrotermicheskoye sostoyaniye i rezhim lednikov Shpitsbergena po dannym aeroradiozondirovaniya [Volumetric hydrothermal state and regime of the Spitsbergen glaciers from airborne radio echo-sounding data]. Mater. Glyatsiol. Issled./Data Glaciol. Stud., 71, 40-53. [In Russian with English summary.]
45. Marshall, S.J., L. Tarasov, G.K.C. Clarke and W.R. Peltier. 2000. Glaciological reconstruction of the Laurentide ice sheet: physical processes and modelling changes. Can. J. Earth Sci., 37(5), 769-793.
46. Meier, M.F. and A. Post. 1969. What are glacier surges? Can. J. Earth Sci., 6(4), 807-817.
47. Moholdt, G., J.O. Hagen, T. Eiken and T.V. Schuler. 2010. Geometric changes and mass balance of the Austfonna ice cap, Svalbard. Cryosphere, 4(1), 21-34.
48. Morland, L.W. 1984. Thermomechanical balances of ice sheet flows. Geophys. Astrophys. Fluid Dyn., 29(1-4), 237-266.
49. Murray, T. and 6 others. 2000. Glacier surge propagation by thermal evolution at the bed. J. Geophys. Res., 105(B6), 13,491-13,507.
50. Payne, A.J. 1995. Limit cycles in the basal thermal regime of ice sheets. J. Geophys. Res., 100(B3), 4249-4263.
51. Payne, A.J. and 10 others. 2000. Results from the EISMINT model intercomparison: the effects of thermomechanical coupling. J. Glaciol., 46(153), 227-238.
52. Pfeffer, W.T. 2007. A simple mechanism for irreversible tidewater glacier retreat. J. Geophys. Res., 112(F3), F03S25. (10.1029/ 2006JF000590.)
53. Pinglot, J.F., J.O. Hagen, K. Melvold, T. Eiken and C. Vincent. 2001. A mean net accumulation pattern derived from radioactive layers and radar soundings on Austfonna, Nordaustlandet, Svalbard. J. Glaciol., 47(159), 555-566. (Pubitemid 34497458)
54. Raymond, C.F. 1987. How do glaciers surge? A review. J. Geophys. Res., 92(B9), 9121-9134.
55. Ritz, C. 1987. Time dependent boundary conditions for calculation of temperature fields in ice sheets. IAHS Publ. 170 (Symposium at Vancouver 1987 - The Physical Basis of Ice Sheet Modelling), 207-216.
56. Schuler, T.V., E. Loe, A. Taurisano, T. Eiken, J.O. Hagen and J. Kohler. 2007. Calibrating a surface mass-balance model for Austfonna ice cap, Svalbard. Ann. Glaciol., 46, 241-248.
57. Schuler, T.V., P. Crochet, R. Hock, M. Jackson, I. Barstad and T. Johannesson. 2008. Distribution of snow accumulation on the Svartisen ice cap, Norway, assessed by a model of orographic precipitation. Hydrol. Process., 22(19), 3998-4008.
58. Schytt, V. 1969. Some comments on glacier surges in eastern Svalbard. Can. J. Earth Sci., 6(4), 867-873.
59. Shreve, R.L. 1984. Glacier sliding at subfreezing temperatures. J. Glaciol., 30(106), 341-347.
60. Smith, R.B. and I. Barstad. 2004. A linear theory of orographic precipitation. J. Atmos. Sci., 61(12), 1377-1391. (Pubitemid 38945799)
61. Solheim, A. 1986. Submarine evidence of glacier surges. Polar Res., 4(1), 91-95.
62. Solheim, A. 1991. The depositional environment of surging subpolar tidewater glaciers: a case study of the morphology, sedimentation and sediment properties in a surge-affected marine basin outside Nordaustlandet, northern Barents Sea. Nor. Polarinst. Skr., 194.
63. Solheim, A. and S.L. Pfirman. 1985. Sea-floor morphology outside a grounded, surging glacier: Bråsvellbreen, Svalbard. Mar. Geol., 65(1-2), 127-143.
64. Sund, M., T. Eiken, J.O. Hagen and A. Kääb. 2009. Svalbard surge dynamics derived from geometric changes. Ann. Glaciol., 50(52), 50-60.
65. Tarasov, L. and W.R. Peltier. 1997. A high-resolution model of the 100 ka ice-age cycle. Ann. Glaciol., 25, 58-65. (Pubitemid 28314423)
66. Taurisano, A. and 6 others. 2007. The distribution of snow accumulation across Austfonna ice cap, Svalbard: direct measurements and modelling. Polar Res., 26(1), 7-13. (Pubitemid 46370421)
67. Tulaczyk, S.M., B. Kamb and H.F. Engelhardt. 2000. Basal mechanics of Ice Stream B, West Antarctica. II. Undrainedplastic- bed model. J. Geophys. Res., 105(B1), 483-494.
68. Vasilenko, E., F. Navarro, T. Dunse, H. Eiken and J.O. Hagen. 2010. New low-frequency radio-echo soundings of Austfonna ice cap, Svalbard. Dan. Gr oønl. Geol. Unders. Rapp. 127.
69. Yde, J.C. and O. Paasche. 2010. Reconstructing climate change: not all glaciers suitable. Eos, 91(21), 189-190.
70. Zagorodnov, V.A., S.A. Sin'kevich and S.M. Arkhipov. 1989a. Gidrotermicheskiy rezhim ledorazdel 'noy oblasti Vostochnogo ledyanogo polya o. Severo-Vostochnaya Zemlya [Hydrothermal regime of the ice-divide area of Austfonna, Nordaustlandet]. Mater. Glyatsiol. Issled./Data Glaciol. Stud., 68, 133-141. [In Russian with English summary.]
71. Zagorodnov, V.A., S.A. Sin'kevich and S.M. Arkhipov. 1989b. Ice core express-analysis for structure and thermal regime studies of Austfonna. Mater. Glyatsiol. Issled./Data Glaciol. Stud., 66, 149-158. [In Russian with English summary.]
72. Zweck, C. and P. Huybrechts. 2005. Modeling of the northern hemisphere ice sheets during the last glacial cycle and glaciological sensitivity. J. Geophys. Res., 110(D7), D07103. (10.1029/2004JD005489.) (Pubitemid 43066277)