Rapid discharge connects Antarctic subglacial lakes

Nature

Volumn 440, Issue 7087, 2006, Pages 1033-1036

  Wingham, Duncan J ^a   Siegert, Martin J ^b   Shepherd, Andrew ^c,d   Muir, Alan S ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^d UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

DRAINAGE; GLACIAL GEOLOGY; HYDROLOGY; MICROORGANISMS; SEA ICE;

ICE MASS; MICROBE RELOCATION; SUBGLACIAL DRAINAGE;

LAKES;

ICE; SEA WATER;

GLACIAL HYDROLOGY; GLACIAL LAKE; GLACIAL LANDFORM; GLACIER; HYDROTHERMAL CIRCULATION; ICE FLOW; ICE SHEET;

ANTARCTICA; ARTICLE; GEOGRAPHIC ELEVATION; HYDROLOGY; LAKE; LAND BIOME; MICROBIAL CONTAMINATION; MICROORGANISM; PRESSURE; PRIORITY JOURNAL; SOLUTE; WATER FLOW; WATER TRANSPORT;

ANTARCTICA; EAST ANTARCTICA; LAKE VOSTOK;

EID: 33646204928     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature04660     Document Type: Article

References (22)

1. Siegert, M. J., Carter, S., Tabacco, I., Popov, S. & Blankenship, D. A revised inventory of Antarctic subglacial lakes. Antarct Sci. 17, 453-460 (2005).
2. Siegert, M. J. et al. Physical, chemical and biological processes in Lake Vostok and other Antarctic subglacial lakes. Nature 414, 603-609 (2001).
3. Nye, J. F. Water flow in glaciers, jökulhlaups, tunnels and veins. J. Glaciol. 17, 181-207 (1976).
4. Fowler, A. C. Breaking the seal at Grimsvotn, Iceland. J. Glaciol. 45, 506-516 (1999).
5. Denton, G. E. & Sugden, D. E. Meltwater features that suggest Miocene ice-sheet overriding of the Transantarctic Mountains in Victoria Land, Antarctica. Geograf. Ann. 87, 67-85 (2005).
6. Sawagaki, T. & Hirakawa, K. Erosion of bedrock by subglacial meltwater, Soya Coast, East Antarctica. Geograf. Ann. 79, 223-238 (1997).
7. Kapitsa, A., Ridley, J. K., Robin, G. de Q., Siegert, M. J. & Zotikov, I. Large deep freshwater lake beneath the ice of central East Antarctica. Nature 381, 684-686 (1996).
8. Bell, R. E. et al. Origin and fate of Lake Vostok water refrozen to the base of the East Antarctic ice sheet. Nature 416, 307-310 (2002).
9. Siegert, M. J., Taylor, J. & Payne, A. J. Spectral roughness of subglacial topography and implications for former ice-sheet dynamics in East Antarctica. Glob. Planet. Change 45, 249-263 (2005).
10. Shreve, R. L. Movement of water in glaciers. J. Glaciol. 11, 205-214 (1972).
11. Wingham, D. J., Ridout, A., Scharroo, R., Arthern, R. & Shum, C. K. Antarctic elevation change from 1992 to 1996. Science 282, 456-458 (1998).
12. Gray, L. et al. Evidence for subglacial water transport in the West Antarctic Ice Sheet through three-dimensional satellite radar interferometry. Geophys. Res. Lett. 32, L03501, doi:10.1029/2004GL021387 (2005).
13. Joughin, I., Kwok, R. & Fahnestock, M. Estimation of ice-sheet motion using satellite radar interferometry: Method and error analysis with application to Humboldt Glacier, Greenland. J. Glaciol. 42, 564-575 (1996).
14. Roberts, M. J. Jokulhlaups: a reassessment of floodwater flow through glaciers. Rev. Geophys. 43, doi:10.1029/2003RG000147 (2005).
15. van der Veen, C. J. Fundamentals of Glacier Dynamics 1-462 (Balkema, Rotterdam, 1999).
16. Björnsson, H. Hydrological characteristics of the drainage system beneath a surging glacier. Nature 395, 771-774 (1998).
17. Kamb, B. Glacier surge mechanism based on linked cavity configuration of the basal water conduit system. J. Geophys. Res. 92, 9083-9100 (1987).
18. Lythe, M. B., Vaughan, D. G. & the BEDMAP consortium. Bedmap-Bed Topography of the Antarctic. 1:10,000,000 map. Misc. 9 (British Antarctic Survey, Cambridge, 2000).
19. Huybrechts, P. The Antarctic ice sheet and environmental change: a three dimensional modelling study. Rep. Polar Res. 99, 1-241 (Alfred-Wegener-Institut für Polar und Meeresforschung, 1992).
20. Studinger, M., Bell, R. E. & Tikku, A. A. Estimating the depth and shape of subglacial Lake Vostok's water cavity from aerogravity data. Geophys. Res. Lett. 31, L12401, doi:10.1029/2004GL019801(2004).
21. McKay, C. P., Hand, K. P., Doran, P. T., Andersen, D. T. & Priscu, J. C. Clathrate formation and the fate of noble and biologically useful gases in Lake Vostok, Antarctica. Geophys. Res. Lett. 30, doi:10.1029/2003GL017490 (2003).
22. Royston-Bishop, G., Tranter, M., Siegert, M. J., Lee, V. & Bates, P. D. Is Vostok lake in steady state? Ann. Glaciol. 39, 490-494 (2004).