Geologic and topographic controls on fast flow in the Laurentide and Cordilleran Ice Sheets

Journal of Geophysical Research: Solid Earth

Volumn 101, Issue 8, 1996, Pages 17827-17839

  Marshall, Shawn J ^a   Clarke, Garry K C ^a   Dyke, Art S ^b   Fisher, David A ^b  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b GEOLOGICAL SURVEY OF CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CORDILLERAN ICE SHEET; GEOLOGY; ICE FLOW; LAURENTIDE ICE SHEET; TOPOGRAPHY;

EID: 0030428177     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/96jb01180     Document Type: Article

References (54)

1. Alley, R. B., D. D. Blankenship, C. R. Bentley, and S. T. Rooney, Deformation of till beneath ice stream B, West Antarctica, Nature, 322, 57-59, 1986.
2. Alley, R. B., D. D. Blankenship, C. R. Bentley, and S. T. Rooney, Till beneath Ice Stream B, 3, Till deformation: Evidence and implications, J. Geophys. Res., 92, 8921-8929, 1987.
3. Andrews, J. T., and K. Tedesco, Detrital carbonate-rich sediments, northwestern Labrador Sea: Implications for ice-sheet dynamics and iceberg rafting (Heinrich) events in the North Atlantic, Geology, 20, 1087-1090, 1992.
4. Andrews, J. T., K. Tedesco, and A. E. Jennings, Heinrich events: Chronology and processes, east-central Laurentide Ice Sheet and north-west Labrador Sea, in Ice in the Climate System, edited by W. R. Peltier, pp. 167-186, Springer-Verlag, New York, 1993.
5. Beget, J. E., Modelling the influence of till rheology on the flow and profile of the Lake Michigan lobe, southern Lautentide Ice Sheet, U.S.A, J. Glaciol., 32, 235-241, 1986.
6. Beget, J. E., Low profile of the northwest Laurentide Ice Sheet, Arct. Alp. Res., 19, 81-88, 1987.
7. Blankenship, D. D., C. R. Bentley, S. T. Rooney, and R. B. Alley, Seismic measurements reveal a saturated porous layer beneath an active Antarctic ice stream, Nature, 322, 54-57, 1986.
8. Bond, G. C., and R. Lotti, Iceberg discharges into the North Atlantic on millenial time scales during the last glaciation, Science, 267, 1005, 1995.
9. Bond, G. et al., Evidence for massive discharges of icebergs into the North Atlantic Ocean during the last glacial period, Nature, 360, 245-249, 1992.
10. Boulton, G. S., G. D. Smith, A. S. Jones, and J. Newsome, Glacial geology and glaciology of the last mid-latitude ice sheets, J. Geol. Soc. London, 142, 447-474, 1985.
11. Carr, J. R., Numerical Analysis for the Geological Sciences, 592 pp., Prentice-Hall, Englewood Cliffs, N.J., 1995.
12. Clark, P. U., Surface form of the southern Laurentide Ice Sheet and its implications to ice-sheet dynamics, Geol. Soc. Am. Bull., 104, 595-605, 1992.
13. Clark, P. U., Unstable behaviour of the Laurentide Ice Sheet over deforming sediment and its implications for climate change, Quat. Res., 41, 19-25, 1994.
14. Clarke, G. K. C., Fast glacier flow: Ice streams, surging and tidewater glaciers, J. Geophys. Res., 92, 8835-8841, 1987.
15. Clayton, L., and S. R. Moran, Chronology of Late Wisconsinan glaciation in middle North America, Quat. Sci. Rev., 1, 55-82, 1982.
16. Clayton, L., J. T. Teller, and J. W. Attig, Surging of the southwestern part of the Laurentide Ice Sheet, Boreas, 14, 235-241, 1985.
17. Deblonde, G., and W. R. Peltier, Simulations of continental ice-sheet growth over the last glacial-interglacial cycle: Experiments with a one-level seasonal energy-balance model including realistic geography, J. Geophys. Res., 96, 9189-9216, 1991.
18. Deblonde, G., and W. R. Peltier, Pleistocene Ice Age scenarios based upon observational evidence, J. Clim., 6, 709-727, 1993.
19. Dillon, W. R., and M. Goldstein, Multivariate Analysis, 587 pp., John Wiley, New York, 1984.
20. Dowdeswell, J. A., M. A. Maslin, J. T. Andrews, and I. N. McCave, Iceberg production, debris rafting, and the extent and thickness of "Heinrich layers" (H-1, H-2) in North Atlantic sediments, Geology, 23, 301-304, 1995.
21. Dyke, A. S., Quaternary geology of Boothia Peninsula and northern District of Keewatin, central Canadian Arctic, Mem. Geol. Surv. Can., 407, 26 pp., 1984.
22. Dyke, A. S., and V. K. Prest, Late Wisconsinan and Holocene history of the Laurentide Ice Sheet, Géogr. Phys. Quat., 41, 237-264, 1987.
23. Echelmeyer, K., R. Wade, and A. Iken, Mechanisms of ice stream motion: Jakobshavns Isbræ, Greenland (abstract), Eos Trans. AGU, 72 (44), Fall Meet. Suppl., 150, 1991.
24. Fisher, D. A., N. Reeh, and K. Langley, Objective reconstructions of the late Wisconsinan Laurentide Ice Sheet and the significance of deformable beds, Géogr. Phys. Quat., 39, 229-238, 1985.
25. Fisher, R. A., The use of multiple measurements in taxonomic problems, Ann. Eugenics, 7, 179-188, 1936.
26. Freeze, R. A., and J. A. Cherry, Groundwater, Prentice-Hall, Englewood Cliffs, N.J., 1979.
27. Fullerton, D. S., and R. B. Colton, Stratigraphy and correlation of the glacial deposits on the Montana plains, Quat. Sci. Rev., spec. vol. 5, 1986.
28. Fulton, R. J. (Ed.), The Geology of North America, vol. K1, Quaternary Geology of Canada and Greenland, Geol. Soc. of Am., Boulder, Colo., 1989.
29. Fulton, R. J. (Ed.), Surficial Materials of Canada, Map 1880A, scale 1:5,000,000, Geol. Surv. of Can., Ottawa, Ontario, 1993.
30. Greenacre, M. J., Theory and Applications of Correspondence Analysis, 364 pp., Academic, San Diego, Calif., 1984.
31. Greenacre, M. J., Correspondence Analysis in Practice, 195 pp., Academic, San Diego, Calif., 1993.
32. Hansel, A. K., D. M. Mickelson, A. F. Schneider, and C. E. Larsen, Late Wisconsinan and Holocene history of the Lake Michigan basin, in Quaternary Evolution of the Great Lakes, edited by P. F. Harrow and P. E. Calkin, Spec. Pap. Geol. Attoc. Can., 30, 39-53, 1985.
33. Heath, R. C., Hydrogeologic map of North America showing the major units that comprise the surface layer, in The Geology of North America, vol. O-2, Hydrogeology, edited by W. Back, J. S. Rosenshein, and P. R. Seaber, Plate 2, Geol. Soc. of Am., Boulder, Colo., 1988.
34. Heinrich, H., Origin and consequences of cyclic ice-rafting in the northeast Arctic Ocean during the past 130,000 years, Quat. Res., 29, 141-152, 1988.
35. Hicock, S. R., Calcareous till facies north of Lake Superior, Ontario: Implications for Laurentide ice streaming, Géogr. Phys. Quat., 42, 120-135, 1988.
36. Huybrechts, P., and S. T'Siobbel, Thermomechanical modelling of northern hemisphere ice sheets with a two-level mass-balance parameterisation, Ann. Glaciol., 21, 111-117, 1995.
37. Iken, A., K. Echelmeyer, W. Harrison, and M. Funk, Mechanisms of fast flow in Jakobshavns Isbræ, West Greenland, Part 1, Measurements of temperature and water level in deep boreholes, J. Glaciol., 39, 15-25, 1993.
38. Kamb, B., Sliding motion of glaciers: Theory and observation, Rev. Geophys., 8, 673-728, 1970.
39. Kamb, B., Glacier surge mechanism based on linked cavity configuration of the basal water conduit system, J. Geophys. Res., 92, 9083-9100, 1987.
40. Kamb, B., Rheological nonlinearity and flow instability in the deforming bed mechanism of ice stream motion, J. Geophys. Res., 96, 16,585-16,595, 1991.
41. Klassen, R. W., Quaternary geology of the southern Canadian Interior Plains, in The Geology of North America, vol. K1, Quaternary Geology of Canada and Greenland, edited by R. J. Fulton, pp. 138-173, Geol. Soc. of Am., Boulder, Colo, 1989.
42. MacAyeal, D. R., Binge/purge oscillations of the Laurentide Ice Sheet as a cause of the North Atlantic's Heinrich events, Paleoceanography, 8, 775-784, 1993a.
43. MacAyeal, D. R., A low-order model of the Heinrich event cycle, Paleoceanography, 8, 767-773, 1993b.
44. MacAyeal, D. R., R. A. Bindschadler, and T. A. Scambos, Basal friction of Ice Stream E, Antarctica, J. Glaciol., 41, 247-262, 1995.
45. Marshall, S. J., and G. K. C. Clarke, Sensitivity analyses of coupled ice sheet/ice stream dynamics on the EISMINT experimental ice block, Ann. Glaciol., 23, in press, 1996.
46. Marsiat, I., Simulation of northern hemisphere continental ice sheets over the last glacial-interglacial cycle: Experiments with a latitude-longitude vertically-integrated ice sheet model coupled to a zonally-averaged climate model, Palaeoclimates, 1, 59-98, 1994.
47. Mathews, W. H., Surface profiles of the Laurentide Ice Sheet in its marginal areas, J. Glaciol., 13, 37-43, 1974.
48. Mickelson, D. M., L. Clayton, D. S. Fullerton, and H. W. Borns, The Late Wisconsinan glacial record of the Laurentide Ice Sheet in the United States, in Late Quaternary Environments of the United States, vol. 1, edited by H. E. Wright Jr. and S. C. Porter, pp. 3-37, Univ. of Minn. Press, Minneapolis, 1983.
49. Morner, N.-A., and A. Dreimanis, The Erie Interstade, in The Wisconsinan Stage, edited by R. P. Goldthwait and H. B. Willman, Mem. Geol. Soc. Am., 136, 107-134, 1973.
50. Nye, J. F., A calculation of the sliding of ice over a wavy surface using a Newtonian viscous approximation, Proc. R. Soc. London A, 311, 445-467, 1969.
51. Nye, J. F., Glacier sliding without cavitation in a linear viscous approximation, Proc. R. Soc. London A, 315, 381-403, 1970.
52. Peltier, W. R., Ice age paleotopography, Science, 265, 195-201, 1994.
53. Row, L. W., III, and D. A. Hastings, TerrainBase: Worldwide Digital Terrain Data, Natl. Oceanic and Atmos. Admin., Natl. Geophys. Data Cent., Boulder, Colo, 1994.
54. Zevenbergen, L. W., and C. R. Thorne, Quantitative analysis of land surface topography, Earth Surf. Processes Landforms, 12, 47-56, 1987.