Draping or overriding: The effect of horizontal stress gradients on internal layer architecture in ice sheets

Journal of Geophysical Research: Earth Surface

Volumn 111, Issue 2, 2006, Pages

  Hindmarsh, Richard C A ^a   Leysinger Vieli, Gwendolyn J M C ^b   Raymond, Mélanie J ^c   Gudmundsson, G Hilmar ^a  

^a BRITISH ANTARCTIC SURVEY   (United Kingdom)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

BASAL FLOW; BOUNDARY CONDITION; FINITE ELEMENT METHOD; ICE SHEET; ICE THICKNESS; MECHANICAL THEORY; NEWTONIAN FLUID; RADAR; STRESS; THREE-DIMENSIONAL FLOW; TOPOGRAPHY; WAVELENGTH;

EID: 34047209126     PISSN: None     EISSN: 21699011     Source Type: Journal    
DOI: 10.1029/2005JF000309     Document Type: Article

References (18)

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. Gudmundsson, G. H. (1997), Basal flow characteristics of a non-linear flow sliding frictionless over strongly undulating bedrock, J. Glaciol., 42(143), 80-89.
3. Gudmundsson, G. H. (2003), Transmission of basal variability to a glacier surface, J. Geophys. Res., 108(B5), 2253, doi:10.1029/ 2002JB002107.
4. Hempel, L., F. Thyssen, N. Gundestrup, H. B. Clausen, and H. Miller (2000), A comparison of radio-echo sounding data and electrical conductivity of the GRIP ice core, J. Glaciol., 46(154), 369-374.
5. Hindmarsh, R. C. A. (1999), On the numerical computation of temperature in an ice-sheet, J. Glaciol., 45(151), 568-574.
6. Hindmarsh, R. C. A. (2004), A numerical comparison of approximations to the Stokes equations used in ice-sheet and glacier modeling, J. Geophys. Res., 109, F01012, doi:10.1029/2003JF000065.
7. Hindmarsh, R. C. A., and K. Hutter (1988), Numerical fixed domain mapping solution of free surface flows coupled with an evolving interior field, Int. J. Numer. Anal. Methods Geomech., 12, 437-459.
8. Hutter, K. (1983), Theoretical Glaciology, D. Riedel, Norwell, Mass.
9. Leysinger Vieli, G. J.-M. C., and G.H. Gudmundsson (2004), On estimating length fluctuations of glaciers, J. Geophys. Res., 109, F01007, doi:10.1029/2003JF000027.
10. Lliboutry, L. A. (1968), General theory of subglacial cavitation and sliding of temperate glaciers, J. Glaciol., 7(49), 21-58.
11. Lliboutry, L. A. (1979), Local friction laws for glaciers: A critical review and new openings, J. Glaciol., 23(89), 67-95.
12. Paterson, W. S. B. (1994), Physics of Glaciers, third ed., Elsevier, New York.
13. Pattyn, F. (2002), Ice-flow characteristics over a rough bedrock: Implications for ice-core interpretation, Polar Meteorol. Glaciol., 16, 42-52.
14. Raymond, M. J., and G. H. Gudmundsson (2005), On the relationship between surface and basal properties on glaciers, ice sheets, and ice streams, J. Geophys. Res., 110, B08411, doi:10.1029/2005JB003681.
15. Reeh, N., and W. Paterson (1988), Application of a flow model to the ice-divide region of Devon Island ice cap, Canada, J. Glaciol., 34(116), 55-63.
16. Schweizer, J., and A. Iken (1992), The role of bed separation and friction in sliding over an undeformable bed, J. Glaciol., 38(128), 77-92.
17. Vieli, A., M. Funk, and H. Blatter (2000), Tidewater glaciers: Frontal flow acceleration and basal sliding, Ann. Glaciol., 31, 217-221.
18. Weertman, J. (1976), Sliding-no sliding zone effect and age determination of ice cores, Quat. Res., 6, 203-207.