Englacial seismic reflectivity: Imaging crystal-orientation fabric in West Antarctica

Journal of Glaciology

Volumn 57, Issue 204, 2011, Pages 639-650

  Horgan, Huw J ^a,b   Anandakrishnan, Sridhar ^b   Alley, Richard B ^b   Burkett, Peter G ^b   Peters, Leo E ^b  

^a VICTORIA UNIVERSITY OF WELLINGTON   (New Zealand)

^b PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPLEXITY; ENGLACIAL PROCESS; ICE SHEET; ORIENTATION; SEISMIC REFLECTION; SEISMIC VELOCITY; VISCOSITY;

ANTARCTICA; BINDSCHADLER ICE STREAM; THWAITES GLACIER; WEST ANTARCTICA;

EID: 80053091826     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/002214311797409686     Document Type: Review

References (57)

1. Aki, K. and P.G. Richards. 1980. Quantitative seismology. Second edition. Sausalito, CA, University Science Books.
2. Alley, R.B. 1988. Fabrics in polar ice sheets: development and prediction. Science, 240(4851), 493-495. (Pubitemid 19296116)
3. Alley, R.B. 1992. Flow-law hypotheses for ice-sheet modeling. J. Glaciol., 38(129), 245-256. (Pubitemid 23375097)
4. Alley, R.B., J.H. Perepezko and C.R. Bentley. 1986a. Grain growth in polar ice: I. Theory. J. Glaciol., 32(112), 415-424.
5. Alley, R.B., J.H. Perepezko and C.R. Bentley. 1986b. Grain growth in polar ice: II. Application. J. Glaciol., 32(112), 425-433.
6. Alley, R.B., A.J. Gow, D.A. Meese, J.J. Fitzpatrick, E.D. Waddington and J.F. Bolzan. 1997. Grain-scale processes, folding and stratigraphic disturbance in the GISP2 ice core. J. Geophys. Res., 102(C12), 26,819-26,830. (Pubitemid 28220237)
7. Anandakrishnan, S. 1996. Seismic reflections from an internal layer: fabric change or moraine? Eos, 77(17), S150, Spring Meet. Suppl.
8. Anandakrishnan, S., J.J. Fitzpatrick, R.B. Alley, A.J. Gow and D.A. Meese. 1994. Shear-wave detection of asymmetric c-axis fabrics in the GISP2 ice core, Greenland. J. Glaciol., 40(136), 491-496.
9. Bender,M.L., E. Burgess, R.B. Alley, B. Barnett and G.D. Clow. 2010. On the nature of the dirty ice at the bottom of the GISP2 ice core. Earth Planet. Sci. Lett., 299(3-4), 466-473.
10. Bennett, H.F. 1968. An investigation into velocity anisotropy through measurements of ultrasonic-wave velocities in snow and ice cores from Greenland and Antarctica. (PhD thesis, University of Wisconsin-Madison.)
11. Bentley, C.R. 1971a. Seismic anisotropy in the West Antarctic ice sheet. In Crary, A.P., ed. Antarctic snow and ice studies II. Washington, DC, American Geophysical Union, 131-177.
12. Bentley, C.R. 1971b. Seismic evidence for moraine within the basal Antarctic ice sheet. In Crary, A.P., ed. Antarctic snow and ice studies II. Washington, DC, American Geophysical Union, 89-129.
13. Bentley, C.R. 1972. Seismic-wave velocities in anisotropic ice: a comparison of measured and calculated values in and around the deep drill hole at Byrd Station, Antarctica. J. Geophys. Res., 77(23), 4406-4420.
14. Bentley, C.R. and J.W. Clough. 1972. Antarctic subglacial structure from seismic refraction measurements. In Adie, R.J., ed. Antarctic geology and geophysics. Symposium on Antarctic Geology and Solid Earth Geophysics, 6-15 August 1970, Oslo. Oslo, Universitetsforlaget, 683-691.
15. Bentley, C.R. and H. Kohnen. 1976. Seismic refraction measurements of internal friction in Antarctic ice. J. Geophys. Res., 81(8), 1519-1526.
16. Bentley, C.R. and N.A. Ostenso, 1961. Glacial and subglacial topography of West Antarctica. J. Glaciol., 3(29), 882-911.
17. Blankenship, D.D. and C.R. Bentley. 1987. The crystalline fabric of polar ice sheets inferred from seismic anisotropy. IAHS Publ. 170 (Symposium at Vancouver 1987 - The Physical Basis of Ice Sheet Modelling), 17-28.
18. Blankenship, D.D., C.R. Bentley, S.T. Rooney and R.B. Alley. 1987. Till beneath Ice Stream B. 1. Properties derived from seismic travel times. J. Geophys. Res., 92(B9), 8903-8911.
19. Blunier, T. and E.J. Brook. 2001. Timing of millennial-scale climate change in Antarctica and Greenland during the last glacial period. Science, 291(5501), 109-112. (Pubitemid 32056675)
20. Budd, W.F. and T.H. Jacka. 1989. A review of ice rheology for ice sheet modelling. Cold Reg. Sci. Technol., 16(2), 107-144.
21. Burkett, P.G. 2000. Ice fabric and active seismology: an investigation and interpretation in central West Antarctica. (MSc thesis, Pennsylvania State University.)
22. Conway, H. and L.A. Rasmussen. 2009. Recent thinning and migration of the Western Divide, central West Antarctica. Geophys. Res. Lett., 36(12), L12502. (10.1029/2009GL038072.)
23. DiPrinzio, C.L., L.A.Wilen, R.B. Alley, J.J. Fitzpatrick, M.K. Spencer and A.J. Gow. 2005. Fabric and texture at Siple Dome, Antarctica. J. Glaciol., 51(173), 281-290. (Pubitemid 41763410)
24. Eisen, O., I. Hamann, S. Kipfstuhl, D. Steinhage and F. Wilhelms. 2007. Direct evidence for continuous radar reflector originating from changes in crystal-orientation fabric. Cryosphere, 1(1), 1-10.
25. Fujita, S. and 6 others. 1999. Nature of radio-echo layering in the Antarctic ice sheet detected by a two-frequency experiment. J. Geophys. Res., 104(B6), 13,013-13,024.
26. Gow, A.J. and D.A. Meese. 2007a. The distribution and timing of tephra deposition at Siple Dome, Antarctica: possible climatic and rheologic implications. J. Glaciol., 53(183), 585-596.
27. Gow, A.J. and D.A. Meese. 2007b. Physical properties, crystalline textures and c-axis fabrics of the Siple Dome (Antarctica) ice core. J. Glaciol., 53(183), 573-584.
28. Gow, A.J. and T. Williamson. 1976. Rheological implications of the internal structure and crystal fabrics of the West Antarctic ice sheet as revealed by deep core drilling at Byrd Station. Geol. Soc. Am. Bull., 87(12), 1665-1677.
29. Gow, A.J. and 6 others. 1997. Physical and structural properties of the Greenland Ice Sheet Project 2 ice cores: a review. J. Geophys. Res., 102(C12), 26,559-26,575. (Pubitemid 28220216)
30. Hallet, B., L.E. Hunter and J. Bogen. 1996. Rates of erosion and sediment evacuation by glaciers: a review of field data and their implications. Global Planet. Change, 12(1-4), 213-235.
31. Herron, S.L., C.C. Langway, Jr and K.A. Brugger. 1985. Ultrasonic velocities and crystalline anisotropy in the ice core from Dye 3, Greenland. In Greenland ice core: geophysics, geochemistry, and the environment. Washington, DC, American Geophysical Union, 23-31.
32. Hobbs, P.V. 1974. Ice physics. Oxford, etc., Clarendon Press.
33. Holland, C.W. and S. Anandakrishnan. 2009. Subglacial seismic reflection strategies when source amplitude and medium attenuation are poorly known. J. Glaciol., 55(193), 931-937.
34. Hooke, R.LeB. 1973. Structure and flow in the margin of the Barnes Ice Cap, Baffin Island, NWT, Canada. J. Glaciol., 12(66), 423-438.
35. Horgan, H.J. and 6 others. 2008. Complex fabric development revealed by englacial seismic reflectivity: Jakobshavn Isbra, Greenland. Geophys. Res. Lett., 35(10), L10501. (10.1029/2008GL033712.)
36. Joughin, I. and 6 others. 2009. Basal conditions for Pine Island and Thwaites Glaciers, West Antarctica, determined using satellite and airborne data. J. Glaciol., 55(190), 245-257.
37. Kohnen, H. 1974. The temperature dependence of seismic waves in ice. J. Glaciol., 13(67), 144-147.
38. Lüthi, A., M. Funk and A. Iken. 2003. Indication of active overthrust faulting along theHolocene-Wisconsin transition in the marginal zone of Jakobshavn Isbra. J. Geophys. Res., 108(B11), 2543. (10.1029/2003JB002505.)
39. Matsuoka, K. and 6 others. 2003. Crystal-orientation fabrics within the Antarctic ice sheet revealed by a multi-polarization-plane and dual frequency radar survey. J. Geophys. Res., 108(B10), 2499. (10.1029/2002JB002425.)
40. Medwin, H. and C.S. Clay. 1977. Acoustical oceanography: principles and applications. New York, Wiley.
41. Peters, L.E. 2009. A seismic investigation of basal conditions in glaciated regions. (PhD thesis, Pennsylvania State University.)
42. Peters, L.E. and 6 others. 2006. Subglacial sediments as a control on the onset and location of two Siple Coast ice streams, West Antarctica. J. Geophys. Res., 111(B1), B01302. (10.1029/2005JB003766.)
43. Peters, L.E., S. Anandakrishnan, R.B. Alley and A.M. Smith. 2007. Extensive storage of basalmeltwater in the onset region of amajor West Antarctic ice stream. Geology, 35(3), 251-254. (Pubitemid 46437833)
44. Rigsby, G.P. 1958. Effect of hydrostatic pressure on velocity of shear deformation on single ice crystals. J. Glaciol., 3(24), 273-278.
45. Ronen, J. and J.F. Claerbout. 1985. Surface-consistent residual statics estimation by stack-power maximization. Geophysics, 50(12), 2759-2767. (Pubitemid 16520449)
46. R̈othlisberger, H. 1972. Seismic exploration in cold regions. CRREL Monogr. II-A2a.
47. Rüger, A. 1997. P-wave reflection coefficients for transversely isotropic models with vertical and horizontal axis of symmetry. Geophysics, 62(3), 713-722.
48. Russell-Head, D.S. and W.F. Budd. 1979. Ice-sheet flow properties derived from bore-hole shear measurements combined with icecore studies. J. Glaciol., 24(90), 117-130.
49. Shearer, P.M. 2009. Introduction to seismology. Second edition. Cambridge, etc., Cambridge University Press.
50. Smith, A.M. 1996. Ice shelf basal melting at the grounding line, measured from seismic observations. J. Geophys. Res., 101(C10), 22,749-22,755.
51. Smith, A.M. 2007. Subglacial bed properties from normal-incidence seismic reflection data. J. Environ. Eng. Geophys., 12(1), 3-13. (Pubitemid 47528267)
52. Song, M., D.M. Cole and I. Baker. 2005. Creep of granular ice with and without dispersed particles. J. Glaciol., 51(173), 210-218. (Pubitemid 41763404)
53. Thomsen, L. 1986. Weak elastic anisotropy. Geophysics, 51(10), 1954-1966.
54. Thorsteinsson, T., J. Kipfstuhl and H. Miller. 1997. Textures and fabrics in the GRIP ice core. J. Geophys. Res., 102(C12), 26,583-26,599. (Pubitemid 28220217)
55. Van der Veen, C.J. and I.M. Whillans. 1994. Development of fabric in ice. Cold Reg. Sci. Technol., 22(2), 171-195. (Pubitemid 24400754)
56. Wilson, C.J.L., D.S. Russell-Head and H.M. Sim. 2003. The application of an automated fabric analyzer system to the textural evolution of folded ice layers in shear zones. Ann. Glaciol., 37, 7-17. (Pubitemid 38272516)
57. Yilmaz, Ö. 1987. Seismic data processing. Third edition. Tulsa, OK, Society of Exploration Geophysicists.