Subglacial Lake Whillans - Seismic observations of a shallow active reservoir beneath a West Antarctic ice stream

Earth and Planetary Science Letters

Volumn 331-332, Issue , 2012, Pages 201-209

  Horgan, Huw J ^a   Anandakrishnan, Sridhar ^b   Jacobel, Robert W ^c   Christianson, Knut ^c   Alley, Richard B ^b   Heeszel, David S ^d   Picotti, Stefano ^e   Walter, Jacob I ^f  

^a VICTORIA UNIVERSITY OF WELLINGTON   (New Zealand)

^b PENNSYLVANIA STATE UNIVERSITY   (United States)

^c ST OLAF COLLEGE   (United States)

^d UNIVERSITY OF CALIFORNIA   (United States)

^e ISTITUTO NAZIONALE DI OCEANOGRAFIA E DI GEOFISICA SPERIMENTALE OGS   (Italy)

^f UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Antarctica; Geophysics; Glaciology; Ice streams; Seismology; Subglacial lakes

Indexed keywords

ANTARCTIC ICE STREAM; ANTARCTICA; DISTRIBUTION OF WATER; DRILL SITES; ELEVATION DATA; GLACIOLOGY; ICE SHEET; ICE STREAMS; IMAGE DIFFERENCING; IMAGING RESOLUTIONS; PHASE OBSERVATIONS; SATELLITE ALTIMETRY; SEISMIC DATAS; SEISMIC OBSERVATION; SEISMIC TECHNIQUE; SOFT SEDIMENTS; SPACE AND TIME; SUBGLACIAL LAKES; SURFACE EXPRESSION; SURFACE OBSERVATION; WATER COLUMNS;

GEOPHYSICS; GLACIAL GEOLOGY; GLACIERS; LAKES; RIVERS; SATELLITE GROUND STATIONS; SEDIMENTOLOGY; SEISMOLOGY;

RESERVOIRS (WATER);

GLACIOLOGY; ICE SHEET; ICE STREAM; ICESAT; LAKE; SATELLITE ALTIMETRY; SEISMIC DATA; SUBGLACIAL DEPOSIT; SUBGLACIAL ENVIRONMENT; WATER COLUMN;

ANTARCTICA; WEST ANTARCTICA;

EID: 84859498746     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2012.02.023     Document Type: Article

References (54)

1. Anandakrishnan S. Dilatant till layer near the onset of streaming flow of Ice Stream C, determined by AVO (Amplitude vs. Offset) analysis. Ann. Glaciol. 2003, 36:283-287.
2. Atre S.R., Bentley C.R. Laterally varying basal conditions under Ice Streams B and C, West Antarctica. J. Glaciol. 1993, 39:507-514.
3. Beem L.H., Jezek K.C., Van der Veen C.J. Basal melt rates beneath Whillans Ice Stream, West Antarctica. J. Glaciol. 2010, 56(198):647-654.
4. Bell R.E., Studinger M., Shuman C.A., Fahnestock M.A., Joughin I. Large subglacial lakes in East Antarctia at the onset of fast-flowing ice streams. Nature 2007, 445:904-907.
5. Bell R.E., Ferraccioli F., Creyts T.T., Braaten D., Corr H.F.J., Das I., Demaske D., Frearson N., Jordan T., Rose K., Studinger M., Wolovick M. Widespread persistent thickening of the East Antarctic Ice Sheet by freezing from the base. Science 2011, 331:1592-1595.
6. Bindschadler R.A., King M.A., Alley R.B., Anandakrishnan S., Padman L. Tidally controlled stick-slip discharge of a West Antarctic ice stream. Science 2003, 301:1087-1089.
7. Carcione J.E.M., Gei D. Seismic modelling study of a subglacial lake. Geophys. Prospect. 2003, 51(6):501-515.
8. Carter S., Blankenship D.D., Peters M.E., Young D.A., Holt J.W., Morse D.L. Radar-based subglacial lake classification in Antarctica. Geochem. Geophys. Geosyst. 2007, 8(3):1-20.
9. Christianson K., Jacobel R.W., Horgan H.J., Anandakrishnan S., Alley R.B. Subglacial Lake Whillans - Ice-penetrating radar and GPS observations of a shallow active reservoir beneath a West Antarctic ice stream. Earth and Planetary Science Letters. 2012, 331-332:237-245. (this issue).
10. Denton G.H., Hughes T.J. Reconstructing the Antarctic ice sheet at the last glacial maximum. Quat. Sci. Rev. 2002, 21:193-202.
11. Engelhardt H., Kamb W.B. Basal hydraulic system of a West Antarctic ice stream: constraints from borehole observations. J. Glaciol. 1997, 43(144):207-230.
12. Engelhardt H., Humphrey N., Kamb W.B., Fahnestock M. Physical conditions at the base of a fast moving Antarctic ice stream. Science 1990, 248:57-59. Apr.
13. Fowler C.M.R. The Solid Earth: An Introduction to Global Geophysics 1990, Cambridge University Press. 1st Edition.
14. Fricker H.A., Scambos T. Connected subglacial lake activity on lower Mercer and Whillans Ice Streams, West Antarctica, 2003-2008. J. Glaciol. 2009, 55(190):303-315.
15. Fricker H.A., Scambos T.A., Bindschadler R.A., Padman L. An active subglacial water system in West Antarctica mapped from space. Science 2007, 315(1544):1544-1548.
16. Fricker H.A., Powell R.D., Priscu J.C., Tulaczyk S., Anandakrishnan S., Christner B., Fisher A.T., Holland D.M., Horgan H.J., Jacobel R.W., Mikucki J., Mitchell A., Scherer R., Severinghaus J.P. Siple Coast subglacial aquatic environments: the Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project. AGU Monograph 2011, American Geophysical Union, Ch. 12.
17. Gray L., Joughin I., Tulaczyk S., Spikes V.B., Bindschadler R.A., Jezek K.C. Evidence for subglacial water transport in the West Antarctic Ice Sheet through three-dimensional satellite radar interferometry. Geophys. Res. Lett. 2005, 32(L03501).
18. Haran T., Bohlander J., Scambos T., Fahnestock M. MODIS mosaic of Antarctica (MOA) image map 2005, NSIDC Digital media.
19. Hulbe C.L., Fahnestock M.A. Century-scale discharge stagnation and reactivation of the Ross Ice Streams, West Antarctica. J. Geophys. Res. 2007, 112(F03S27).
20. Iken A., Bindschadler R.A. Combined measurements of subglacial water pressure and surface velocity of Findelengletscher, Switzerland: conclusions about drainage system and sliding mechanism. J. Glaciol. 1986, 32(110):101-119.
21. Joughin, I., pers comm 2008. Antarctic velocity mosaic from combined interferometric and speckle tracking techniques. personal communication.
22. Joughin I., Tulaczyk S., Bindschadler R.A., Price S.F. Changes in West Antarctic ice stream velocities: observation and analysis. J. Geophys. Res. 2002, 107(B11). 10.1029/2001JB001029.
23. Joughin I., Tulaczyk S., MacAyeal D.R., Engelhardt H.F. Melting freezing beneath the Ross ice streams, Antarctica. J. Glaciol. 2004, 50(168):96-108.
24. Joughin I., Bindschadler R.A., King M.A., Voigt D.E., Alley R.B., Anandakrishnan S., Horgan H.J., Peters L.E., Winberry P., Das S.B., Catania G.A. Continued deceleration of Whillans Ice Stream, West Antarctica. Geophys. Res. Lett. 2005, 32. 10.1029/2005GL024319.
25. Kamb B. Basal zone of the West Antarctic ice streams and its role in the lubrication of their rapid motion. Antarctic Research Series 2001, Vol. 77:157-200. of, AGU. R.B. Alley, R.A. Bindschadler (Eds.).
26. Kapitsa A.P., Ridley J.K., Robin G.d.Q., Siegert M.J., Zotikov I.A. A large deep freshwater lake beneath the ice of central East Antarctica. Nature 1996, 381:684-686.
27. King E.C., Woodward J., Smith A.M. Seismic evidence for a water-filled canal in deforming till beneath Rutford Ice Stream, West Antarctica. Geophys. Res. Lett. 2004, 31(L20401):1-4.
28. Ng F., Liu S. Temporal dynamics of a jökulhlaup system. J. Glaciol. 2009, 55(192):651-665.
29. Parizek B.R., Alley R.B., Hulbe C.L. Subglacial thermal balance permits ongoing grounding-line retreat along the Siple Coast of West Antarctica. Ann. Glaciol. 2003, 36:251-256.
30. Peters L.E., Anandakrishnan S., Alley R.B., Smith E. Extensive storage of basal meltwater in the onset region of a major West Antarctic ice stream. Geology 2007, 35(3):251-254.
31. Peters L.E., Anandakrishnan S., Holland C.W., Horgan H.J., Blankenship D.D., Voigt D.E. Seismic detection of a subglacial lake near the South Pole, Antarctica. Geophys. Res. Lett. 2008, 35(L23501):1-5.
32. Pritchard H.D., Arthern R.J., Vaughan D.G., Edwards L.A. Extensive dynamic thinning on the margins of the Greenland and Antarctic ice sheets. Nature 2009, 461:971-975.
33. Raymond C.F. Energy balance of ice streams. J. Glaciol. 2000, 46(155):665-674.
34. Retzlaff R., Bentley C.R. Timing of stagnation of Ice Stream C, West Antarctica from short-pulse-radar studies of buried surface crevasses. J. Glaciol. 1993, 39:553-561.
35. Rooney S.T., Blankenship D.D., Alley R.B., Bentley C.R. Seismic reflection profiling of a sediment-filled graben beneath Ice Stream B, West Antarctica. Geological Evolution of Antarctica 1991, 261-265. Cambridge University Press, Cambridge. M.R.A. Thomson, J.A. Crame, J.W. Thomson (Eds.).
36. Rose K.E. Characteristics of ice flow in Marie Byrd Land, Antarctica. J. Glaciol. 1979, 24(90):63-74.
37. Röthlisberger H. Water pressure in intra- and subglacial channels. J. Glaciol. 1972, 11(62):177-203.
38. Schoof C. Ice-sheet acceleration driven by melt supply variability. Nature 2010, 468:803-806.
39. Sergienko O.V., MacAyeal D.R., Bindschadler R.A. Causes of sudden, short-term changes in ice-stream surface elevation. Geophys. Res. Lett. 2007, 34(L22503):1-6.
40. Siegert M.J., Hindmarsh R., Corr H., Smith A., Woodward J., King E.C., Payne A.J., Joughin I. Subglacial Lake Ellsworth: a candidate for in situ exploration in West Antarctica. Geophys. Res. Lett. 2004, 31:L23403. 10.1029/2004GL021477.
41. Siegert M.J., Carter S., Tabacco I., Popov S., Blankenship D.D. A revised inventory of Antarctic subglacial lakes. Ant. Sci. 2005, 17(3):453-460.
42. Smith B.E., Bentley C.R., Raymond C.F. Recent elevation changes on the ice streams and ridges of the Ross Embayment from ICESat crossovers. Geophys. Res. Lett. 2005, 32(L21S09):1-5.
43. Smith B.E., Fricker H.A., Joughin I.R., Tulaczyk S. An inventory of active subglacial lakes in Antarctica detected by ICESat (2003-2008) tarctica detected by icesat (2003-2008). J. Glaciol. 2009, 55(192):573-593.
44. Stearns L.A., Smith B.E., Hamilton G.S. Increased flow speed on a large East Antarctic outlet glacier caused by subglacial floods. Nat. Geosci. 2008, 1:827-831.
45. Studinger M., Bell R.E., Karner G.D., Tikku A.A., Holt J.W., Morse D.L., Richter T.G., Kempf S.D., Peters M.E., Blankenship D.D., Sweeney R.E., Rystrom V.L. Ice cover, landscape setting, and geological framework of Lake Vostok, East Antarctica. Earth Planet. Sci. Lett. 2003, 205(3-4):195-210.
46. Thigpen B.B., Dalby A.E., Landrum R. Special report of the subcommittee on polarity standards. Geophysics 1975, 40:694-699.
47. Vaughan D.G., Rivera A., Woodward J., Corr H.F.J., Wendt J., Zamora R. Topographic and hydrological controls on Subglacial Lake Ellsworth, West Antarctica. Geophys. Res. Lett. 2007, 34(L18501):1-5.
48. Walder J.S., Fowler A.C. Channelised subglacial drainage over a deformable bed. J. Glaciol. 1994, 40:3-15.
49. Walter J.I., Brodsky E.E., Tulaczyk S., Schwartz S.Y., Pettersson R. Transient slip events from near-field seismic and geodetic data on a glacier fault, Whillans Ice Plain, West Antarctica. J. Geophys. Res. 2011, 116(F01021).
50. Winberry J.P., Anandakrishnan S., Alley R.B. Seismic observations of transient subglacial water-flow beneath MacAyeal Ice Stream, West Antarctica. Geophys. Res. Lett. 2009, 36(L11502):1-5.
51. Winberry J.P., Anandakrishnan S., Alley R.B., Bindschadler R.A., King M.A. Basal mechanics of ice streams: insights from the stick-slip motion of Whillans Ice Stream, West Antarctica. J. Geophys. Res. 2009, 114(F01016):1-11.
52. Wingham D.J., Siegert M.J., Shephard A., Muir A.S. Rapid discharge connects Antarctic subglacial lakes. Nature 2006, 440:1033-1036. April.
53. Woodward J., Smith A.M., Ross N., Thoma M., Corr H.F.J., King E.C., King M.A., Grosfeld K., Tranter M., Siegert M.J. Location for direct access to Subglacial Lake Ellsworth: an assessment of geophysical data and modeling. Geophys. Res. Lett. 2010, 37:L11501. Jun.
54. Zwally H.J., Abdalai W., Herring T., Larson K., Saba J., Steffen K. Surface melt-induced acceleration of Greenland Ice-Sheet flow. Science 2002, 297(5579):218-221.