Brief Communication: Newly developing rift in Larsen C Ice Shelf presents significant risk to stability

Cryosphere

Volumn 9, Issue 3, 2015, Pages 1223-1227

  Jansen, D ^a   Luckman, A J ^b   Cook, A ^b   Bevan, S ^b   Kulessa, B ^b   Hubbard, B ^c   Holland, P R ^d  

^a ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

^b SWANSEA UNIVERSITY   (United Kingdom)

^c ABERYSTWYTH UNIVERSITY   (United Kingdom)

^d BRITISH ANTARCTIC SURVEY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ICE SHELF; NUMERICAL MODEL; RIFT ZONE; SPATIOTEMPORAL ANALYSIS; SUTURE ZONE;

ANTARCTICA; LARSEN ICE SHELF; WEST ANTARCTICA;

EID: 84929321512     PISSN: 19940416     EISSN: 19940424     Source Type: Journal    
DOI: 10.5194/tc-9-1223-2015     Document Type: Article

References (20)

1. Borstad, C. P., Rignot, E., Mouginot, J., and Schodlok, M. P.: Creep deformation and buttressing capacity of damaged ice shelves: theory and application to Larsen C ice shelf, The Cryosphere, 7, 1931-1947, doi:10.5194/tc-7-1931-2013, 2013.
2. Cook, A. J. and Vaughan, D. G.: Overview of areal changes of the ice shelves on the Antarctic Peninsula over the past 50 years, The Cryosphere, 4, 77-98, doi:10.5194/tc-4-77-2010, 2010.
3. Cook, A. J., Murray, T. I., Luckman, A., Vaughan, D. G., and Barrand, N. E.: Antarctic Peninsula 100m Digital Elevation Model Derived from ASTER GDEM. Boulder, Colorado USA: National Snow and Ice Data Center, doi:10.7265/N58K7711, 2012.
4. Doake, C. S. M., Corr, H. F. J., Rott, H., Skvarca, P., and Young, N. W.: Breakup and conditions for stability of the northern Larsen Ice Shelf, Antarctica, Nature, 391, 778-780, 1998.
5. Glasser, N. F., Kulessa, B., Luckman, A., Jansen, D., King, E. C., Sammonds, P. R., Scambos, T. A., and Jezek, K. C.: Surface structure and stability of the Larsen C Ice Shelf, Antarctic Peninsula, J. Glaciol., 55, 400-410, doi:10.3189/002214309788816597, 2009.
6. Hodgson, D. A., Bentley, M. J., Roberts, S. J., Smith, J. A., Sugden, D. E., and Domack, E. W.: Examining Holocene stability of AntarcticPeninsula ice shelves, Eos Trans. AGU 87, 305-308, doi:10.1029/2006eo310001, 2006.
7. Holland, P. R., Corr, H. F. J., Vaughan, D. G., Jenkins, A., and Skvarca, P.: Marine ice in Larsen Ice Shelf, Geophys. Res. Lett., 36, L11604, doi:10.1029/2009GL038162, 2009.
8. Holland, P. R., Corr, H. F. J., Pritchard, H. D., Vaughan, D. G., Arthern, R. J., Jenkins, A., and Tedesco, M.: The air content of Larsen Ice Shelf, Geophys. Res. Lett., 38, L10503, doi:10.1029/2011GL047245, 2011.
9. Holland, P. R., Brisbourne, A., Corr, H. F. J., McGrath, D., Purdon, K., Paden, J., Fricker, H. A., Paolo, F. S., and Fleming, A. H.: Atmospheric and oceanic forcing of Larsen C Ice Shelf thinning, The Cryosphere Discuss., 9, 251-299, doi:10.5194/tcd-9-251-2015, 2015
10. Jansen, D., Kulessa, B., Sammonds, P. R., Luckman, A., King, E. C., and Glasser, N. F.: Present stability of the Larsen C Ice Shelf, Antarctic Peninsula, J. Glaciol., 56, 593-600, 2010.
11. Jansen, D., Luckman, A. J., Kulessa, B., Holland, P. R., and King, E. C.: Marine ice formation in a suture zone on the Larsen C Ice Shelf and its influence on ice shelf dynamics, J. Geophys. Res.-Earth Surf., 118, 1-13, doi:10.10002/jgrf.20120, 2013.
12. Khazendar, A., Rignot, E., and Larour, E.: Acceleration and spatial rheology of Larsen C Ice Shelf, Antarctic Peninsula, Geophys. Res. Lett., 38, L09502, doi:10.1029/2011GL046775, 2011.
13. Kulessa, B., Jansen, D., Luckman, A. J., King, E. C., and Sammonds, P. R.: Marine ice regulates the future stability of a large Antarctic ice shelf, Nature Comm., doi:10.1038/ncomms4707, 2014.
14. Luckman, A., Jansen, D., Kulessa, B., King, E. C., Sammonds, P., and Benn, D. I.: Basal crevasses in Larsen C Ice Shelf and implications for their global abundance, The Cryosphere, 6, 113-123, doi:10.5194/tc-6-113-2012, 2012.
15. Luckman, A. J., Elvidge, A., Jansen, D., Kulessa, B., Kuipers-Munneke, P., and King, J.: Surface melt and ponding on Larsen C Ice Shelf and the impact of föhn winds, Antarct. Sci., 26, 625-635, doi:10.1017/S0954102014000339, 2014.
16. McGrath, D., Steffen,K., Holland, P. R., Scambos, T. S., Rajaram, H., Abdalati, W., and Rignot, E.: The structure and effect of suture zones in the Larsen C Ice Shelf, Antarctica, J. Geophys. Res.-Earth Surf., 119, 588-602, doi:10.1002/2013JF002935, 2014.
17. Pritchard, H. D., Ligtenberg, S. R. M., Fricker, H. A., Vaughan, D. G., van den Broeke, M. R., and Padman, L.: Antarctic icesheet loss driven by basal melting of ice shelves. Nature, 484, 502-505, 2012.
18. Sandhäger, H., Rack, W., and Jansen, D.: Model investigations of Larsen B Ice Shelf dynamics prior to the breakup. Forum for Research into Ice Shelf Processes (FRISP), Report, 16, 5-12, Bjerknes Cent. For Clim. Res., Bergen, Norway, 2005.
19. Shepherd, A., Wingham, D., Payne, T., and Skvarca, P.: Larsen Ice Shelf has progressively thinned, Science, 302, 856-859, 2003.
20. van den Broeke, M.: Strong surface melting preceded collapse of Antarctic Peninsula ice shelf, Geophys. Res. Lett., 32, L12815, doi:10.1029/2005GL023247, 2005.