Deformation-induced melting in the margins of the West Antarctic ice streams

Journal of Geophysical Research: Earth Surface

Volumn 119, Issue 5, 2014, Pages 1004-1025

  Suckale, Jenny ^a   Platt, John D ^b   Perol, Thibaut ^b   Rice, James R ^b,c  

^a STANFORD UNIVERSITY   (United States)

^b HARVARD UNIVERSITY   (United States)

^c HARVARD UNIVERSITY   (United States)

Author keywords

deformation induced melting; Dragon margin; ice streams; shear margin; Siple Coast; West Antarctica

Indexed keywords

DEFORMATION; GLACIOLOGY; ICE FLOW; ICE STREAM; LATENT HEAT FLUX; MELTING; MELTWATER; MORPHOLOGY; RHEOLOGY; TWO-DIMENSIONAL MODELING;

ANTARCTIC ICE SHEET; ANTARCTICA; WEST ANTARCTIC ICE SHEET; WEST ANTARCTICA;

EID: 84902363178     PISSN: None     EISSN: 21699011     Source Type: Journal    
DOI: 10.1002/2013JF003008     Document Type: Article

References (57)

1. Alley, R., D. Blankenship, C. Bentley, and, S. Rooney, (1986), Deformation of till beneath Ice Stream B, West Antarctica, Nature, 322, 57-59. (Pubitemid 17264804)
2. Bamber, J. L., D. G. Vaughan, and, I. Joughin, (2000), Widespread complex flow in the interior of the Antarctic Ice Sheet, Science, 287 (5456), 1248-1250. (Pubitemid 30112143)
3. Beem, L., K. Jezek, and, C. Van der Veen, (2010), Basal melt rates beneath Whillans Ice Stream, West Antarctica, J. Glaciol., 56 (198), 647-654.
4. Ben Amar, M., and, J. R. Rice, (2002), Exacts results with the J-integral applied to free-boundary flows, J. Fluid Mech., 461, 321-341.
5. Bilby, B., and, J. Eshelby, (1968), Dislocations and the theory of fracture, in Fracture: An Advanced Treatise: Mathematical Fundamentals, vol. 2, edited by, H. Liebowitz, pp. 99-182, Academic Press, New York
6. Bindschadler, R., and, P. Vornberger, (1998), Changes in the West Antarctic Ice Sheet since 1963 from declassified satellite photography, Science, 279 (5351), 689-692. (Pubitemid 28144545)
7. Briggs, W. L., V. E. Henson, and, S. F. McCormick, (2000), A Multigrid Tutorial, vol. 72, Siam Monograph, Philadelphia, Pa., U.S.A.
8. Cherepanov, G., (1968), Cracks in solids, Int. J. Solids Struct., 4 (8), 811-831.
9. Clarke, T. S., C. Liu, N. E. Lord, and, C. R. Bentley, (2000), Evidence for a recently abandoned shear margin adjacent to Ice Stream B2, Antarctica, from ice-penetrating radar measurements, J. Geophys. Res., 105 (B6), 13,409-13,422, doi: 10.1029/2000JB900037.
10. Cuffey, K., and, W. Paterson, (2010), The Physics of Glaciers (Fourth Edition), Burlington, Mass., U.S.A. ISBN 9780123694614.
11. Dreimanis, A., (1988), Tills: Their genetic terminology and classification, in Genetic Classification of Glacigenic Deposits, edited by, R. P. Goldthwait, and, C. L. Matsch, pp. 17-83, A. A. Balkema, Rotterdam.
12. Echelmeyer, K., and, W. Harrison, (1999), Ongoing margin migration of Ice Stream B, Antarctica, J. Glaciol., 45 (150), 361-369.
13. Echelmeyer, K., W. Harrison, C. Larsen, and, J. Mitchell, (1994), The role of the margins in the dynamics of an active ice stream, J. Glaciol., 40 (136), 527-538.
14. Engelhardt, H., N. Humphrey, B. Kamb, and, M. Fahnestock, (1990), Physical conditions at the base of a fast moving Antarctic ice stream, Science, 248, 57-59.
15. Fahnestock, M., T. Scambos, R. Bindschadler, and, G. Kvaran, (2000), A millennium of variable ice flow recorded by the Ross Ice Shelf, Antarctica, J. Glaciol., 46 (155), 652-664. (Pubitemid 32305047)
16. Frost, H., and, M. Ashby, (1982), Deformation Mechanism Maps: The Plasticity and Creep of Metals and Ceramics, Pergamon Press, Oxford, New York, Sydney.
17. Giovinetto, M. B., and, H. J. Zwally, (2000), Spatial distribution of net surface accumulation on the Antarctic Ice Sheet, Ann. Glaciol., 31 (1), 171-178.
18. Goldman, N. L., and, J. W. Hutchinson, (1975), Fully plastic crack problems: The center-cracked strip under plane strain, Int. J. Solids Struct., 11 (5), 575-591.
19. Harrison, W., K. A. Echelmeyer, and, C. Larsen, (1998), Measurement of temperature in a margin of Ice Stream B, Antarctica: Implications for margin migration and lateral drag, J. Glaciol., 44 (148), 615-624. (Pubitemid 29224117)
20. Iverson, N., T. Hooyer, and, R. Baker, (1998), Ring-shear studies of till deformation: Coulomb-plastic behavior and distributed strain in glacier beds, J. Glaciol., 44 (148), 634-642. (Pubitemid 29231266)
21. Jackson, M., and, B. Kamb, (1997), The marginal shear stress of Ice Stream B, West Antarctica, J. Glaciol., 43 (145), 415-426.
22. Jacobel, R., T. Scambos, C. Raymond, and, A. Gades, (1996), Changes in the configuration of ice stream flow from the West Antarctic Ice Sheet, J. Geophys. Res., 101 (B3), 5499-5504.
23. Jacobel, R., T. Scambos, N. Nereson, and, C. Raymond, (2000), Changes in the margin of Ice Stream C, Antarctica, J. Glaciol., 46 (152), 102-110. (Pubitemid 30400599)
24. Jacobson, H., and, C. Raymond, (1998), Thermal effects on the location of ice stream margins, J. Geophys. Res., 103 (B6), 111-122.
25. Jordan, R., and, J. Stark, (2001), Capillary tension in rotting ice layers, Tech. Rep., Technical Report ERDC/CRREL TR-01-13, US Army Corps of Engineers, Cold Regions Research and Engineering Laboratory.
26. Joughin, I., S. Tulaczyk, R. Bindschadler, and, S. F. Price, (2002), Changes in West Antarctic ice stream velocities: Observation and analysis, J. Geophys. Res., 107 (B11), 2289, doi: 10.1029/2001JB001029.
27. Joughin, I., D. R. MacAyeal, and, S. Tulaczyk, (2004), Basal shear stress of the Ross ice streams from control method inversions, J. Geophys. Res., 109 (B9), B09405, doi: 10.1029/2003JB002960.
28. Kamb, B., (1991), Rheological nonlinearity and flow instability in the deforming bed mechanism of ice stream motion, J. Geophys. Res., 96 (B10), 16,585-16,595.
29. Kamb, B., (2001), Basal zone of the West Antarctic ice streams and its role in lubrication of their rapid motion, in The West Antarctic Ice Sheet: Behavior and Environment, vol. 77, edited by, R. B. Alley, and, R. A. Bindschadler, pp. 157-199, AGU, Washington, D. C., doi: 10.1029/AR077p0157.
30. Kubo, S., K. Ohji, and, K. Ogura, (1979), Analysis of creep crack-propagation on the basis of the plastic singular stress-field, Eng. Fract. Mech., 11 (2), 315-329. (Pubitemid 9424579)
31. Landes, J., and, J. Begley, (1976), A fracture mechanics approach to creep crack growth, in Mechanics of Crack Growth, edited by, J. R. Rice, and, P. C. Paris, pp. 128-148, Amer. Soc. for Testing and Materials (ASTM), Special Technical Publication (STP) 590, Philadelphia.
32. Lliboutry, L., (1996), Temperate ice permeability, stability of water veins and percolation of internal meltwater, J. Glaciol., 42 (141), 201-211.
33. MacAyeal, D. R., (1989), Large-scale ice flow over a viscous basal sediment: Theory and application to Ice Stream B, Antarctica, J. Geophys. Res., 94 (B4), 4071-4087.
34. McMeeking, R., and, R. Johnson, (1986), On the mechanics of surging glaciers, J. Glaciol., 32 (110), 120-132.
35. Perol, T., and, J. R. Rice, (2011), Control of the width of West Antarctic ice streams by internal melting in the ice sheet near the margins, Abstract C11B-0677 presented at 2011 Fall Meeting, AGU, San Francisco, Calif., 5-9 Dec.
36. Rathbun, A., C. Marone, R. Alley, and, S. Anandakrishnan, (2008), Laboratory study of the frictional rheology of sheared till, J. Geophys. Res., 113, F02020, doi: 10.1029/2007JF000815.
37. Raymond, C., (1996), Shear margins in glaciers and ice sheets, J. Glaciol., 42 (140), 90-102.
38. Raymond, C., (2000), Energy balance of ice streams, J. Glaciol., 46 (155), 665-674. (Pubitemid 32305048)
39. Rice, J. R., (1967), Stresses due to a sharp notch in a work hardening elastic-plastic material loaded by longitudinal shear, J. Appl. Mech., 34, 287-298.
40. Rice, J. R., (1968a), A path independent integral and the approximate analysis of strain concentration by notches and cracks, J. Appl. Mech., 35, 379-386.
41. Rice, J. R., (1968b), Mathematical analysis in the mechanics of fracture, in Fracture: An Advanced Treatise: Mathematical Fundamentals, vol. 2, edited by, H. Liebowitz, pp. 191-311, Academic Press, New York
42. Rose, K., (1979), Characteristics of ice flow in Marie Byrd Land, Antarctica, J. Glaciol., 24, 63-75.
43. Scambos, T., K. Echelmeyer, M. Fahnestock, and, R. Bindschadler, (1994), Development of enhanced ice flow at the southern margin of Ice Stream D, Antarctica, Ann. Glaciol., 20, 313-318.
44. Schofield, A., and, P. Wroth, (1968), Critical State Soil Mechanics, McGraw-Hill, London.
45. Schoof, C., (2004), On the mechanics of ice-stream shear margins, J. Glaciol., 50 (169), 208-218. (Pubitemid 40355397)
46. Schoof, C., (2012), Thermally driven migration of ice-stream shear margins, J. Fluid Mech., 1 (1), 1-28.
47. Shabtaie, S., and, C. Bentley, (1987), West Antarctic ice streams draining into the Ross Ice Shelf: Configuration and mass balance, J. Geophys. Res., 92, 1311-1336.
48. Shabtaie, S., and, C. Bentley, (1988), Ice-thickness map of the West Antarctic ice streams by radar sounding, Ann. Glaciol., 11, 126-136.
49. Spikes, V. B., G. S. Hamilton, S. A. Arcone, S. Kaspari, and, P. A. Mayewski, (2004), Variability in accumulation rates from GPR profiling on the West Antarctic Plateau, Ann. Glaciol., 39 (1), 238-244. (Pubitemid 41167029)
50. Tulaczyk, S., (1999), Ice sliding over weak, fine-grained tills: Dependence of ice-till interactions on till granulometry, Geol. S. Am. S., 337, 159-177.
51. Tulaczyk, S., B. Kamb, R. P. Scherer, and, H. F. Engelhardt, (1998), Sedimentary processes at the base of a West Antarctic ice stream; constraints from textural and compositional properties of subglacial debris, J. Sediment. Res., 68 (3), 487-496.
52. Tulaczyk, S., W. B. Kamb, and, H. F. Engelhardt, (2000), Basal mechanics of Ice Stream B, West Antarctica 1. Till mechanics, J. Geophys. Res., 105 (B1), 463-481, doi: 10.1029/1999JB900329.
53. Vogel, S. W., S. Tulaczyk, B. Kamb, H. Engelhardt, F. D. Carsey, A. E. Behar, A. L. Lane, and, I. Joughin, (2005), Subglacial conditions during and after stoppage of an Antarctic ice stream: Is reactivation imminent?, Geophys. Res. Lett., 32, L14502, doi: 10.1029/2005GL022563.
54. Vornberger, P. L., and, I. M. Whillans, (1990), Crevasse deformation and examples from Ice Stream B, Antarctica, J. Glaciol., 36 (122), 3-10.
55. Whillans, I. M., and, C. J. Van Der Veen, (1993), New and improved determinations of velocity of Ice Streams B and C, West Antarctica, J. Glaciol., 39, 483-490. (Pubitemid 24401976)
56. Whillans, I. M., and, C. J. Van der Veen, (2001), Transmission of stress between an ice stream and interstream ridge, J. Glaciol., 47 (158), 433-440. (Pubitemid 34166229)
57. Zotikov, I., (1986), The Thermophysics Of Glaciers, D. Reidel Mass, Dordrecht, Holland.