Assessment of the importance of ice-shelf buttressing to ice-sheet flow

Geophysical Research Letters

Volumn 32, Issue 4, 2005, Pages 1-4

  Dupont, T K ^a   Alley, R B ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BOUNDARY LAYERS; GLACIERS; SEA LEVEL; STRESSES;

BOUNDARY-LAYER FORMULATION; CONTIGUOUS ICE STREAMS; ICE-SHEET FLOW; ICE-SHELF BUTTRESSING;

ICE;

ICE FLOW; ICE SHELF; SEA ICE; SEA LEVEL CHANGE;

BOUNDARY-LAYER FORMULATION; CONTIGUOUS ICE STREAMS; ICE-SHEET FLOW; ICE-SHELF BUTTRESSING; PINE ISLAND GLACIERS; RAPID ESTIMATION; SIMPLE MODELING; WEST ANTARCTICA;

EID: 19744374380     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2004GL022024     Document Type: Article

References (18)

1. Alley, R. B., and I. M. Whillans (1984), Response of the East Antarctic ice sheet to sea-level rise, J. Geophys. Res., 89, 6487-6493.
2. Anandakrishnan, S., D. E. Voigt, R. B. Alley, and M. A. King (2003), Ice stream D flow speed is strongly modulated by the tide beneath the Ross Ice Shelf, Geophys. Res. Lett., 30(7), 1361, doi:10.1029/ 2002GL016329.
3. Dupont, T. K. (2004), Abrupt changes in ice shelves and ice streams: Model studies, Ph.D. thesis, Pa. State Univ., University Park.
4. Hughes, T. J. (1980), The weak underbelly of the West Antarctic Ice Sheet, J. Glaciol., 27(97), 518-525.
5. Hulbe, C. L., D. R. MacAyeal, G. H. Denton, J. Kleman, and T. V. Lowell (2004), Catastrophic ice shelf breakup as the source of Heinrich event icebergs, Paleoceanography, 19, PA1004, doi:10.1029/2003PA000890.
6. Jacobs, S. S., H. H. Hellmer, and A. Jenkins (1996), Antarctic ice sheet melting in the southeast Pacific, Geophys. Res. Lett., 23(9), 957-960.
7. Joughin, I., W. Abdalati, and M. Fahnestock (2004), Large fluctuations in speed on Greenland's Jakobshavn Isbrae glacier, Nature, 432 (7017), 608-610.
8. Kamb, B. (1964), Glacier geophysics, Science, 146(3642), 353-365.
9. 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.
10. Payne, A. J., A. Vieli, A. P. Shepherd, D. J. Wingham, and E. Rignot (2004), Recent dramatic thinning of largest West Antarctic ice stream triggered by oceans, Geophys. Res. Lett., 31, L23401, doi:10.1029/ 2004GL021284.
11. Rignot, E., G. Casassa, P. Gogineni, W. Krabill, A. Rivera, and R. Thomas (2004), Accelerated ice discharge from the Antarctic Peninsula following the collapse of Larsen B ice shelf, Geophys. Res. Lett., 31, L18401, doi:10.1029/2004GL020697.
12. Scambos, T. A., J. A. Bohlander, C. A. Shuman, and P. Skvarca (2004), Glacier acceleration and thinning after ice shelf collapse in the Larsen B embayment, Antarctica, Geophys. Res. Lett., 31, L18402, doi:10.1029/2004GL020670.
13. Shepherd, A., D. Wingham, and E. Rignot (2004), Warm ocean is eroding West Antarctic Ice Sheet, Geophys. Res. Lett., 31, L23402, doi:10.1029/2004GL021106.
14. Thomas, R., and D. R. MacAyeal (1982), Derived characteristics of the Ross Ice Shelf, J. Glaciol., 28, 397-412.
15. Thomas, R., et al. (2004), Accelerated sea-level rise from West Antarctica, Science, 306(5694), 255-259.
16. Weertman, J. (1974), Stability of the junction of an ice sheet and an ice shelf, J. Glaciol., 13(67), 3-11.
17. Whillans, I. M., and C. J. Van der Veen (1993), New and improved determinations of velocity of ice streams B and C, West Antarctica, J. Glaciol., 39(133), 483-490.
18. Zwally, H., W. Abdalati, T. Herring, K. Larson, J. Saba, and K. Steffen (2002), Surface melt-induced acceleration of Greenland ice-sheet flow, Science, 297(5579), 218-222.