Evidence for subglacial ponding across Taylor Glacier, Dry Valleys, Antarctica

Annals of Glaciology

Volumn 39, Issue , 2004, Pages 79-84

  Hubbard, Alun ^a   Lawson, Wendy ^b   Anderson, Brian ^b   Hubbard, Bryn ^c   Blatter, Heinz ^d  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b UNIVERSITY OF CANTERBURY   (New Zealand)

^c ABERYSTWYTH UNIVERSITY   (United Kingdom)

^d ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL TEMPERATURE; GLACIOLOGY; SUBGLACIAL ENVIRONMENT;

ANTARCTICA; ARCTIC AND ANTARCTIC; EAST ANTARCTICA; MCMURDO DRY VALLEYS; WORLD;

EID: 23844554498     PISSN: 02603055     EISSN: None     Source Type: Journal    
DOI: 10.3189/172756404781813970     Document Type: Article

References (22)

1. Blatter, H. 1995. Velocity and stress fields in grounded glaciers: a simple algorithm for including deviatoric stress gradients. J. Glaciol., 41(138), 333-344.
2. Copland, L. and M. Sharp. 2001. Mapping thermal and hydrological conditions beneath a polythermal glacier with radio-echo sounding. J. Glaciol., 47(157), 232-242.
3. Cuffey, K. M. and 8 others. 2000. Entrainment at cold glacier beds. Geology, 28(4), 351-354.
4. Decker, E.R. and G.J. Bucher. 1977. Geothermal studies in Antarctica. Antarct. J. US, 12(4), 102-104.
5. Doran, P. T., C. H. Fritsen, C. P. McKay, J. C. Priscu and E. E. Adams. 2003. Formation and character of an ancient 19-m ice cover and underlying trapped brine in an 'ice-sealed' East Antarctic lake. Proc. Natl. Acad. Sci. USA, 100(1), 26-31.
6. Fitzsimons, S.J. 1996. Formation of thrust-block moraines at the margins of dry-based glaciers, south Victoria Land, Antarctica. Ann. Glaciol., 22, 68-74.
7. Gades, A. M., C. F. Raymond, H. Conway and R. W. Jacobel. 2000. Bed properties of Siple Dome and adjacent ice streams, West Antarctica, inferred from radio-echo sounding measurements. J. Glaciol., 46 (152), 88-94.
8. Gemmell, A. M. D., M. J. Sharp and D. E. Sugden, 1986. Debris from the basal ice of the Agassiz Ice Cap, Ellesmere Island, Arctic Canada. Earth Surf. Processes Landforms, 11(2), 123-130.
9. 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.
10. Holdsworth, G. and C. Bull. 1970. The flow of cold ice: investigations on Meserve Glacier, Antarctic. International Association of Scientific Hydrology Publication 86 (Symposium at Hanover 1968 - Antarctic Glaciological Exploration (ISAGE)), 204-216.
11. Hubbard, B., A. Hubbard, W. Lawson and B. Andreson. In press. Relative softness of clean glacier ice and debris-rich basal ice: measurement and modelling at Taylor Glacier, Antarctica. Geophys. Res. Lett.
12. Knight, P. C., D. E. Sugden and C. D. Minty. 1994. Ice flow around large obstacles as indicated by basal ice exposed at the margin of the Greenland ice sheet. J. Glaciol., 40(135), 359-367.
13. Mercer, J. H. 1971. Correspondence. Cold glaciers in the central Transantarctic Mountains, Antarctica: dry ablation areas and subglacial erosion. J. Glaciol., 10(59), 319-321.
14. Narod, B. B. and G. K. C. Clarke. 1994. Miniature high-power impulse transmitter for radio-echo sounding. J. Glaciol., 40(134), 190-194.
15. Nye, J. F. 1953. The flow law of ice from measurements in glacier tunnels, laboratory experiments and the Jungfraufirn borehole experiment. Proc. R. Soc. London, Ser. A, 219(1139), 477-489.
16. Pattyn, F. and 6 others. 2003. Ice dynamics and basal properties of Sofiyskiy glacier, Altai mountains, Russia, based on DGPS and radio-echo sounding surveys. Ann. Glaciol., 37, 286-292.
17. Robinson, P. H. 1984. Ice dynamics and thermal regime of Taylor Glacier, South Victoria Land, Anatarctica. J. Glaciol., 30(105), 153-160.
18. Sharp, M. and 6 others. 1993. Geometry, bed topography and drainage system structure of the Haut Glacier d'Arolla, Switzerland. Earth Surf. Processes Landforms, 18(6), 557-571.
19. Shreve, R. L. 1972. Movement of water in glaciers. J. Glaciol., 11(62), 205-214.
20. Shreve, R. L. 1984. Glacier sliding at subfreezing temperatures. J. Glaciol., 30(106), 341-347.
21. Sugden, D. E. and B. S. John. 1976. Glaciers and landscape; a geomorphological approach. London, Edward Arnold.
22. Welch, B. C., W. T. Pfeffer, J. T. Harper and N. F. Humphrey. 1998. Mapping subglacial surfaces of temperate valley glaciers by two-pass migration of a radio-echo sounding survey. J. Glaciol., 44 (146), 164-170.