Modelling distributed and channelized subglacial drainage: The spacing of channels

Journal of Glaciology

Volumn 57, Issue 202, 2011, Pages 302-314

  Hewitt, Ian J ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CHANNEL FLOW; DISCHARGE; DRAINAGE NETWORK; ESKER; GLACIAL HYDROLOGY; ICE SHEET; MELTWATER; SUBGLACIAL ENVIRONMENT;

EID: 79960510965     PISSN: 00221430     EISSN: None     Source Type: Journal    
DOI: 10.3189/002214311796405951     Document Type: Article

References (33)

1. Alley, R.B. 1989. Water pressure coupling of sliding and bed deformation: I. Water system. J. Glaciol., 35(119), 108-118.
2. Alley, R.B., D.D. Blankenship, C.R. Bentley and S.T. Rooney. 1986. Deformation of till beneath Ice Stream B, West Antarctica. Nature, 322(6074), 57-59. (Pubitemid 17264804)
3. Biot, M.A. 1941. General theory of three-dimensional consolidation. J. Appl. Phys., 12(2), 155-164.
4. Boulton, G.S., R. Lunn, P. Vidstrand and S. Zatsepin. 2007a. Subglacial drainage by groundwater-channel coupling, and the origin of esker systems: Part I - glaciological observations. Quat. Sci. Rev., 26(7-8), 1067-1090. (Pubitemid 46726905)
5. Boulton, G.S., R. Lunn, P. Vidstrand and S. Zatsepin. 2007b. Subglacial drainage by groundwater-channel coupling, and the origin of esker systems: Part II - theory and simulation of a modern system. Quat. Sci. Rev., 26(7-8), 1091-1105. (Pubitemid 46726906)
6. Boulton, G.S., M. Hagdorn, P.B. Maillot and S. Zatsepin. 2009. Drainage beneath ice sheets: groundwater-channel coupling, and the origin of esker systems from former ice sheets. Quat. Sci. Rev., 28(7-8), 621-638.
7. Brennand, T.A. 2000. Deglacial meltwater drainage and glaciodynamics: inferences from Laurentide eskers, Canada. Geomorphology, 32(3), 263-293. (Pubitemid 30258100)
8. Clark, P.U. and J.S. Walder. 1994. Subglacial drainage, eskers, and deforming beds beneath the Laurentide and Eurasian ice sheets. Geol. Soc. Am. Bull., 106(2), 304-314. (Pubitemid 24400718)
9. Clarke, G.K.C. 2005. Subglacial processes. Annu. Rev. Earth Planet. Sci., 33, 247-276. (Pubitemid 40849785)
10. Creyts, T.T. and C.G. Schoof. 2009. Drainage through subglacial water sheet. J. Geophys. Res., 114(F4), F04008. (10.1029/2008JF001215.)
11. 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.
12. Flint, R.F. 1930. The origin of the Irish 'eskers'. Geogr. Rev., 20(4), 615-630.
13. Flowers, G.E. and G.K.C. Clarke. 2002. A multicomponent coupled model of glacier hydrology. I. Theory and synthetic examples. J. Geophys. Res., 107(B11), 2287. (10.1029/2001JB001122.)
14. Flowers, G.E., H. Bj̈ornsson, R. Pálsson and G.K.C. Clarke. 2004. A coupled sheet-conduit mechanism for j̈okulhlaup propagation. Geophys. Res. Lett., 31(5), L05401. (10.1029/2003GL019088.)
15. Hewitt, I. 2009. Mathematical modelling of geophysical melt drainage. (PhD thesis, University of Oxford.)
16. Hubbard, B. and P. Nienow. 1997. Alpine subglacial hydrology. Quat. Sci. Rev., 16(9), 939-955. (Pubitemid 28102264)
17. Iken, A. and R.A. Bindschadler. 1986. Combined measurements of subglacial water pressure and surface velocity of Findelengletscher, Switzerland: conclusions about drainage system and sliding mechanism. J. Glaciol., 32(110), 101-119.
18. Kamb, B. 1987. Glacier surge mechanism based on linked cavity configuration of the basal water conduit system. J. Geophys. Res., 92(B9), 9083-9100.
19. Kessler, M.A. 2004. Testing a numerical glacial hydrological model using spring speed-up events and outburst floods. Geophys. Res. Lett., 31(18), L18503. (10.1029/2004GL020622.) (Pubitemid 39660806)
20. Lappegard, G., J. Kohler, M. Jackson and J.O. Hagen. 2006. Characteristics of subglacial drainage systems deduced from load-cell measurements. J. Glaciol., 52(176), 137-148. (Pubitemid 43821423)
21. Lliboutry, L. 1968. General theory of subglacial cavitation and sliding of temperate glaciers. J. Glaciol., 7(49), 21-58.
22. McKenzie, D. 1984. The generation and compaction of partially molten rock. J. Petrol., 25(3), 713-765.
23. Nye, J.F. 1976. Water flow in glaciers: j̈okulhlaups, tunnels and veins. J. Glaciol., 17(76), 181-207.
24. Prest, V.K., D.R. Grant and V.N. Rampton. 1968. Glacial map of Canada, 1 : 5000 000. Map no. 1253A. Ottawa,Ont., Geological Survey of Canada.
25. Rempel, A.W. 2009. Effective stress profiles and seepage flows beneath glaciers and ice sheets. J. Glaciol., 55(191), 431-443.
26. Rignot, E. and P. Kanagaratnam. 2006. Changes in the velocity structure of the Greenland Ice Sheet. Science, 311(5673), 986-990. (Pubitemid 43271722)
27. r̈ othlisberger, H. 1972. Water pressure in intra- and subglacial channels. J. Glaciol., 11(62), 177-203.
28. Shaw, J. 1994. A qualitative view of sub-ice-sheet landscape evolution. Progr. Phys. Geogr., 18(2), 159-184. (Pubitemid 24404341)
29. Shreve, R.L. 1985. Esker characteristics in terms of glacier physics, Katahdin esker system, Maine. Geol. Soc. Am. Bull., 96(5), 639-646.
30. Walder, J.S. 1982. Stability of sheet flow of water beneath temperate glaciers and implications for glacier surging. J. Glaciol., 28(99), 273-293.
31. Walder, J.S. 1986. Hydraulics of subglacial cavities. J. Glaciol., 32(112), 439-445.
32. Walder, J.S. and A. Fowler. 1994. Channelized subglacial drainage over a deformable bed. J. Glaciol., 40(134), 3-15. (Pubitemid 24404342)
33. 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.