Rheological nonlinearity and flow instability in the deforming bed mechanism of ice stream motion

Journal of Geophysical Research

Volumn 96, Issue B10, 1991, Pages

  Kamb, B ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL TILL; DEFORMING BED; FEEDBACK; FLOW INSTABILITY; ICE STREAM MOTION; RHEOLOGICAL NONLINEARITY; WATER SATURATED TILL;

ANTARCTICA; WEST ANTARCTICA;

EID: 0026282345     PISSN: 01480227     EISSN: None     Source Type: Journal    
DOI: 10.1029/91jb00946     Document Type: Article

References (62)

1. J. Glaciol. Water-pressure coupling of sliding and bed deformation: I. Water system Alley 108 35 1989 10.3189/002214389793701527
2. J. Glaciol. Water-pressure coupling of sliding and bed deformation: II. Velocity-depth profiles Alley 119 35 1989 10.3189/002214389793701518
3. J. Geophys. Res. Till beneath Ice Stream B, 3, Till deformation: Evidence and implications Alley 8921 92 1987 10.1029/JB092iB09p08921
4. J. Geophys. Res. Till beneath Ice Stream B, 4, A coupled ice-till flow model Alley 8931 92 1987 10.1029/JB092iB09p08931
5. J. Glaciol. Water-pressure coupling of sliding and bed deformation. III. Application to Ice Stream B Alley 131 35 1989 10.3189/002214389793701572
6. J. Geophys. Res. Antarctic ice streams: A review Bentley 8843 92 1987 10.1029/JB092iB09p08843
7. J. Struct. Geol. Frictional properties of simulated gouge having a fractal particle size distribution Biegel 827 11 1989 10.1016/0191-8141(89)90101-6
8. J. Glaciol. The importance of pressurized subglacial water in separation and sliding at the glacier bed Bindschadler 3 29 1983 10.1017/S0022143000005104
9. SeaRISE: a multidisciplinary research initiative to predict rapid changes in global sea level caused by collapse of marine ice sheets NASA Conference Publication Preprint Bindschadler 1990
10. Geotechnique A new ring shear apparatus and its application to the measurement of residual strength Bishop 273 21 1971 10.1680/geot.1971.21.4.273
11. J. Geophys. Res. Till beneath Ice Stream B, 1, Properties derived from seismic travel times Blankenship 8903 92 1987 10.1029/JB092iB09p08903
12. Geophys. Res. Lett. Frictional behavior of granite at low and high sliding velocity Blanpied 554 14 1987 10.1029/GL014i005p00554
13. A Guide to Soil Mechanics Bolton 1979 10.1007/978-1-349-16208-6
14. Geotechnique A constitutive model for the stress-strain-time behavior of “wet” clays Borja 283 35 1985 10.1680/geot.1985.35.3.283
15. Nature A paradigm shift in glaciology? Boulton 18 322 1986 10.1038/322018a0
16. J. Geophys. Res. Sediment deformation beneath glaciers: Rheology and geological consequences Boulton 9059 92 1987 10.1029/JB092iB09p09059
17. J. Glaciol. Stability of temperate ice sheets resting on beds of deformable sediment Boulton 29 24 1979 10.1017/S0022143000014623
18. Q. J. Geol. Soc. London Glacial geology and glaciology of the last mid-latitude ice sheets Boulton 447 142 1985 10.1144/gsjgs.142.3.0447
19. J. Geophys. Res. Rapid soft bed sliding of the Puget glacial lobe Brown 8985 92 1987 10.1029/JB092iB09p08985
20. J. Glaciol. A first simple model for periodically self-surging glaciers Budd 3 14 1975 10.1017/S0022143000013344
21. Hydrol. Sci. Bull. Periodic surging of the Antarctic ice sheet-an assessment by modelling Budd 95 24 1979 10.1080/02626667909491837
22. J. Geophys. Res. Fast glacier flow: Ice streams, surging, and tidewater glaciers Clarke 8835 92 1987 10.1029/JB092iB09p08835
23. J. Geophys. Res. Subglacial till: A physical framework for its properties and processes Clarke 9023 92 1987 10.1029/JB092iB09p09023
24. Rev. Geophys. Space Phys. Strain heating and creep instability in glaciers and ice sheets Clarke 235 15 1977 10.1029/RG015i002p00235
25. Science Physical conditions at the base of a fast moving Antarctic ice stream Engelhardt 57 248 1990 10.1126/science.248.4951.57
26. Geotechnique Interpretation of creep of soils by rate process theory Feda 667 39 1989 10.1680/geot.1989.39.4.667
27. Rev. Geophys. Space Phys. West Antarctic ice streams Hughes 1 15 1977 10.1029/RG015i001p00001
28. Coupling between water pressure and basal sliding in a linked cavity hydraulic system Publ. Humphrey 170 1987
29. Theoretical Glaciology Hutter 1983 10.1007/978-94-015-1167-4
30. J. Geol. A constitutive equation for mass-movement behavior Iverson 143 93 1985 10.1086/628937
31. J. Geol. Unsteady, nonuniform landslide motion: 1. Theoretical dynamics and the steady datum state Iverson 1 94 1986 10.1086/629006
32. J. Geophys. Res. Glacier surge mechanism based on linked cavity configuration of the basal water conduit system Kamb 9083 92 1987 10.1029/JB092iB09p09083
33. Eng. Sci. Is the Antarctic Ice Sheet disintegrating? Kamb 5 53 3 1990
34. J. Glaciol. Waves of accelerated motion in a glacier approaching surge: the mini-surges of Variegated Glacier, Alaska Kamb 27 33 1987 10.1017/S0022143000005311
35. Soil Mechanics Lambe 1969
36. A subglacial aquifer bed model and water pressure dependent basal sliding relationship for a West Antarctic ice stream The Dynamics of the West Antarctic Ice Sheet Lingle 249 1987 10.1007/978-94-009-3745-1_14
37. J. Glaciol. General Theory of subglacial cavitation and sliding of temperate glaciers Lliboutry 21 7 1968 10.1017/S0022143000020396
38. Can. J. Earth Sci. Contribution à la théorie des ondes glaciaires Lliboutry 943 6 1969 10.1139/e69-098
39. J. Geophys. Res. Realistic, yet simple bottom boundary conditions for glaciers and ice sheets Lliboutry 9101 92 1987 10.1029/JB092iB09p09101
40. J. Geophys. Res. Large-scale ice flow over a viscous basal sediment: Theory and application to Ice Stream B, Antarctica MacAyeal 4071 94 1989 10.1029/JB094iB04p04071
41. Geotechnique On the residual shearing strength of clays Maksimovic 347 39 1989 10.1680/geot.1989.39.2.347
42. J. Soil Mech. Found. Div. Am. Soc. Civ. Eng. Soil creep as a rate process Mitchell 231 94 SM-1 1968 10.1061/JSFEAQ.0001085
43. Soils Found. Influence of strain rate on undrained shear characteristics of Ko-consolidated cohesive soils Nakase 85 26 1986 10.3208/sandf1972.26.85
44. Proc. R. Soc. London, Ser. A The flow of glaciers and ice sheets as a problem in plasticity Nye 554 A207 1951 10.1098/rspa.1951.0140
45. Ice Sheets and Climate Oerlemans 1984 10.1007/978-94-009-6325-2
46. Geotechnique Viscous effects observed in tests on an anisotropically normally consolidated silty clay O'Reilly 153 39 1989 10.1680/geot.1989.39.1.153
47. Geotechnique Effect of strain rate on undrained strength derived from pressuremeter tests Prapaharan 615 39 1989 10.1680/geot.1989.39.4.615
48. J. Glaciol. Water pressure in intra-and subgalcial channels Röthlisberger 177 11 1972 10.1017/S0022143000022188
49. The Mechanics of Earthquakes and Faulting Scholz 1990
50. Ann. Glaciol. Ice-thickness map of the West Antarctic ice streams by radar sounding Shabtaie 126 11 1988 10.1017/S0260305500006443
51. J. Geophys. Res. The morphology of Ice Streams A, B, and C, West Antarctica, and their environs Shabtaie 8865 92 1987 10.1029/JB092iB09p08865
52. J. Glaciol. Subglacial hydrology for an ice sheet resting on a deformable aquifer Shoemaker 20 32 1986 10.1017/S0022143000006833
53. J. Soil Mech. Found. Div. Am. Soc. Civ. Eng. A general stress-strain-time function for soils Singh 21 94 SM-1 1968 10.1061/JSFEAQ.0001084
54. Geotechnique Residual strength of clays in landslides, folded strata, and the laboratory Skempton 3 35 1985 10.1680/geot.1985.35.1.3
55. Ice sheet margins and ice shelves Climate Processes and Climate Sensitivity Thomas 265 29 1984 10.1029/GM029p0265 Geophys. Monogr
56. Nature Effect of climatic warming on the West Antarctic ice sheet Thomas 355 277 1979 10.1038/277355a0
57. Pure Appl. Geophys. Rock friction and constitutive behavior from laboratory experiments and its implications for an earthquake prediction program Tullis 555 126 1988 10.1007/BF00879010
58. The West Antarctic Ice Sheet: the need to understand its dynamics Dynamics of the West Antarctic Ice Sheet van der Veen 1 1987 10.1007/978-94-009-3745-1_1
59. Can. J. Earth Sci. Water lubrication mechanism of glacier surges Weertman 929 6 1969 10.1139/e69-097
60. Rev. Geophys. Space Phys. General theory of water flow at the base of a glacier or ice sheet Weertman 287 10 1972 10.1029/RG010i001p00287
61. Ann. Glaciol. Subglacial water flow under ice streams and West-Antarctic ice-sheet stability Weertman 316 3 1982 10.1017/S0260305500002998
62. J. Geophys. Res. Velocity of Ice Streams B and C, Antarctica Whillans 8895 92 1987 10.1029/JB092iB09p08895