'Sticky spots' and subglacial lakes under ice streams of the Siple Coast, Antarctica

Annals of Glaciology

Volumn 52, Issue 58, 2011, Pages 18-22

  Sergienko, Olga V ^a   Hulbe, Christina L ^b  

^a PRINCETON UNIVERSITY   (United States)

^b PORTLAND STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

GLACIAL LAKE; ICE FLOW; ICE MECHANICS; ICE STREAM; ICE THICKNESS; MELTWATER; SUBGLACIAL ENVIRONMENT; THERMODYNAMICS; TOPOGRAPHY;

ANTARCTICA;

EID: 80053473275     PISSN: 02603055     EISSN: None     Source Type: Journal    
DOI: 10.3189/172756411797252176     Document Type: Article

References (29)

1. Alley, R. B., D. E. Lawson, E. B. Evenson, J. C. Strasser and G. J. Larson. 1998. Glaciohydraulic supercooling: a freeze-on mechanism to create stratified, debris-rich basal ice: II. Theory. J. Glaciol., 44(148), 563-569. (Pubitemid 29224114)
2. Bindschadler, R. and H. Choi. 2007. Increased water storage at icestream onsets: a critical mechanism? J. Glaciol., 53(181), 163-171.
3. Bindschadler, R. A., M. A. King, R. B. Alley, S. Anandakrishnan and L. Padman. 2003. Tidally controlled stick-slip discharge of a West Antarctic ice stream. Science, 301(5636), 1087-1089. (Pubitemid 37022308)
4. Carter, S. P., D. D. Blankenship, D. A. Young, M. E. Peters, J. W. Holt and M. J. Siegert. 2009. Dynamic distributed drainage implied by the flow evolution of the 1996-1998 Adventure Trench subglacial outburst flood. Earth Planet. Sci. Lett., 283(1-4), 24-37.
5. Clarke, G. K. C. 2005. Subglacial processes. Annu. Rev. Earth Planet. Sci., 33, 247-276. (Pubitemid 40849785)
6. Evatt, G. W. and A. C. Fowler. 2007. Cauldron subsidence and subglacial floods. Ann. Glaciol., 45, 163-168.
7. Evatt, G. W., A. C. Fowler, C. D. Clark and N. R. J. Hulton. 2006. Subglacial floods beneath ice sheets. Philos. Trans. R. Soc. London, Ser. A, 364(1844), 1769-1794. (Pubitemid 44106649)
8. Fowler, A. C. 1999. Breaking the seal at Grímsvötn, Iceland. J. Glaciol., 45(151), 506-516.
9. Fricker, H. A. and T. Scambos. 2009. Connected subglacial lake activity on lower Mercer and Whillans Ice Streams, West Antarctica, 2003-2008. J. Glaciol., 55(190), 303-315.
10. Fricker, H. A., T. Scambos, R. Bindschadler and L. Padman. 2007. An active subglacial water system in West Antarctica mapped from space. Science, 315(5818), 1544-1548. (Pubitemid 46449464)
11. Fricker, H. A., T. Scambos, S. Carter, C. Davis, T. Haran and I. Joughin. 2010. Synthesizing multiple remote-sensing techniques for subglacial hydrologic mapping: application to a lake system beneath MacAyeal Ice Stream, West Antarctica. J. Glaciol., 56(196), 187-199.
12. Joughin, I., D. R. MacAyeal and S. Tulaczyk. 2004a. Basal shear stress of the Ross ice streams from control method inversion. J. Geophys. Res., 109(B9), B09405. (10.1029/2003JB002960.)
13. Joughin, I., S. Tulaczyk, D. MacAyeal and H. Engelhardt. 2004b. Melting and freezing beneath the Ross ice streams, Antarctica. J. Glaciol., 50(168), 96-108. (Pubitemid 40067993)
14. Le Brocq, A. M., A. J. Payne, M. J. Siegert and R. B. Alley. 2009. A subglacial water-flow model for West Antarctica. J. Glaciol., 55(193), 879-888.
15. 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.
16. Nye, J. F. 1976. Water flow in glaciers: jökulhlaups, tunnels and veins. J. Glaciol., 17(76), 181-207.
17. Paterson, W. S. B. 1994. The physics of glaciers. Third edition. Oxford, etc., Elsevier.
18. Pattyn, F. 2003. A new three-dimensional higher-order thermomechanical ice-sheet model: basic sensitivity, ice stream development, and ice flow across subglacial lakes. J. Geophys. Res., 108(B8), 2382. (10.1029/2002JB002329.)
19. Sergienko, O. V., D. R. MacAyeal and R. A. Bindschadler. 2007. Causes of sudden, short-term changes in ice-stream surface elevation. Geophys. Res. Lett., 34(22), L22503. (10.1029/2007GL031775.)
20. Sergienko, O., D. R. MacAyeal and R. A. Bindschadler. 2009. Stickslip behavior of ice streams: modeling investigations. Ann. Glaciol., 50(52), 87-94.
21. Shabtaie, S., I. M. Whillans and C. R. Bentley. 1987. The morphology of Ice Streams A, B, and C, West Antarctica, and their environs. J. Geophys. Res., 92(B9), 8865-8883.
22. Smith, B. E., H. A. Fricker, I. R. Joughin and S. Tulaczyk. 2009. An inventory of active subglacial lakes in Antarctica detected by ICESat (2003-2008). J. Glaciol., 55(192), 573-595.
23. Thoma, M., K. Grosfeld, C. Mayer and F. Pattyn. 2010. Interaction between ice sheet dynamics and subglacial lake circulation: a coupled modelling approach. Cryosphere, 4(1), 1-12.
24. Tulaczyk, S. M., B. Kamb and H. F. Engelhardt. 2000. Basal mechanics of Ice Stream B, West Antarctica. I. Till mechanics. J. Geophys. Res., 105(B1), 463-481.
25. Walder, J. S. and A. Fowler. 1994. Channelized subglacial drainage over a deformable bed. J. Glaciol., 40(134), 3-15. (Pubitemid 24404342)
26. Weertman, J. 1966. Effect of a basal water layer on the dimensions of ice sheets. J. Glaciol., 6(44), 191-207.
27. Weertman, J. 1972. General theory of water flow at the base of a glacier or ice sheet. Rev. Geophys. Space Phys., 10(1), 287-333.
28. Wiens, D. A., S. Anandakrishnan, J. P. Winberry and M. A. King. 2008. Simultaneous teleseismic and geodetic observations of the stick-slip motion of an Antarctic ice stream. Nature, 453(7196), 770-774. (Pubitemid 351793784)
29. Winberry, J. P., S. Anandakrishnan, R. B. Alley, R. A. Bindschadler and M. A. King. 2009. Basal mechanics of ice streams: Insights from the stick-slip motion of Whillans Ice Stream, West Antarctica. J. Geophys. Res., 114(F1), F01016. (10.1029/2008JF001035.)