First exposure ages from the Amundsen Sea Embayment, West Antarctica: The Late quaternary context for recent thinning of Pine Island, Smith, and Pope Glaciers

Geology

Volumn 36, Issue 3, 2008, Pages 223-226

  Johnson, Joanne S ^a   Bentley, Michael J ^a,b   Gohl, Karsten ^c  

^a BRITISH ANTARCTIC SURVEY   (United Kingdom)

^b DURHAM UNIVERSITY   (United Kingdom)

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

Author keywords

Cosmogenic isotopes; Exposure age; Glacial history; Pine island glacier; West Antarctic Ice Sheet

Indexed keywords

COSMOGENIC ISOTOPES; EXPOSURE AGE; ICE SHEET MODELS;

GEOCHRONOLOGY; GLACIAL GEOLOGY; GLACIERS; SEA LEVEL;

SEA ICE;

CRUSTAL THINNING; DATA SET; GLACIAL HISTORY; ICE SHEET; OBSERVATIONAL METHOD; QUATERNARY; SATELLITE ALTIMETRY; SEA LEVEL CHANGE;

AMUNDSEN SEA; ANTARCTICA; MARIE BYRD LAND; PINE ISLAND GLACIER; SOUTHERN OCEAN; WEST ANTARCTICA;

EID: 44449094989     PISSN: 00917613     EISSN: 00917613     Source Type: Journal    
DOI: 10.1130/G24207A.1     Document Type: Article

References (19)

1. Ackert, R.P., Jr., Barclay, D.J., Borns, H.W., Calkin, P.E., Kurz, M.D., Fastook, J.L., and Steig, E.J., 1999, Measurements of past ice sheet elevations in interior West Antarctica: Science, v. 286, p. 276-280, doi: 10.1126/science.286.5438.276.
2. Bassett, S.E., Milne, G.A., Bentley, M.J., and Huybrechts, P., 2007, Modelling Antarctic sea-level data to explore the possibility of a dominant Antarctic contribution to meltwater pulse IA: Quaternary Science Reviews, v. 26, p. 2113-2127, doi: 10.1016/ j.quascirev.2007.06.011.
3. 25Al exposure ages for the Last Glacial Maximum and deglaciation of the Antarctic Peninsula Ice Sheet: Geological Society of America Bulletin, v. 118, p. 1149-1159, doi: 10.1130/B25735.1.
4. Bierman, P.R., Marsella, K.A., Patterson, C., Davis, P.T., and Caffee, M., 1999, Mid-Pleistocene cosmogenic minimum-age limits for pre-Wisconsinan glacial surfaces in southwestern Minnesota and southern Baffin Island: A multiple nuclide approach: Geomorphology, v. 27, p. 25-39, doi: 10.1016/S0169-555X(98)00088-9.
5. Davis, C.H., Yonghong, L., McConnell, J.R., Frey, M.M., and Hanna, E., 2005, Snowfall-driven growth in East Antarctic Ice Sheet mitigates recent sea-level rise: Science, v. 308, p. 1898-1901, doi: 10.1126/ science.1110662.
6. Holt, J.W., Blankenship, D.D., Morse, D.L., Young, D.A., Peters, M.E., Kempf, S.D., Richter, T.G., Vaughan, D.G., and Corr, H.F.J., 2006, New boundary conditions for the West Antarctic Ice Sheet: Subglacial topography of the Thwaites and Smith glacier catchments: Geophysical Research Letters, v. 33, L09502, doi: 10.1029/2005GL025561.
7. Hughes, T.J., 1981, The weak underbelly of the West Antarctic ice sheet: Journal of Glaciology, v. 27, p. 518-525.
8. Joughin, I., Rignot, E., Rosanova, C.E., Lucchitta, B.K., and Bohlander, J., 2003, Timing of recent accelerations of Pine Island Glacier, Antarctica: Geophysical Research Letters, v. 30, p. 1706, doi: 10.1029/ 2003GL017609.
9. Larter, R.D., Gohl, K., Hillenbrand, C.-D., Kuhn, G., Deen, T.J., Dietrich, R., Eagles, G., Johnson, J.S., Livermore, R.A., Nitsche, F.O., Pudsey, C.J., Schenke, H.-W., Smith, J.A., Udintsev, G., and Uenzelmann-Neben, G., 2007, West Antarctic Ice Sheet change since the last glacial period: Eos (Transactions, American Geophysical Union), v. 88, p. 189-196, doi: 10.1029/2007EO170001.
10. Lowe, A.L., and Anderson, J.B., 2002, Reconstruction of the West Antarctic ice sheet in Pine Island Bay during the Last Glacial Maximum and its subsequent retreat history: Quaternary Science Reviews, v. 21, p. 1879-1897, doi: 10.1016/S0277-3791(02)00006-9.
11. Payne, A.J., Vieli, A., Shepherd, A.P., Wingham, D.J., and Rignot, E., 2004, Recent dramatic thinning of largest West Antarctic Ice Stream triggered by oceans: Geophysical Research Letters, v. 31, L23401, doi: 10.1029/2004GL021284.
12. Rignot, E., Vaughan, D.G., Schmeltz, M., Dupont, T., and MacAyeal, D., 2002, Acceleration of Pine Island and Thwaites Glaciers, West Antarctica: Annals of Glaciology, v. 34, p. 189-194.
13. Shepherd, A., Wingham, D.J., Mansley, J.A.D., and Corr, H.F.J., 2001, Inland thinning of Pine Island Glacier: Antarctic Science, v. 291, p. 862-864.
14. Shepherd, A., Wingham, D., and Rignot, E., 2004, Warm ocean is eroding West Antarctic Ice Sheet: Geophysical Research Letters, v. 31, L23402, doi: 10.1029/2004GL021106.
15. Stone, J.O., Balco, G.A., Sugden, D.E., Caffee, M.C., Sass, L.C., III, Cowdery, S.G., and Siddoway, C., 2003, Holocene deglaciation of Marie Byrd Land: West Antarctica: Science, v. 299, p. 99-102, doi: 10.1126/ science.1077998.
16. Sugden, D.E., Balco, G., Cowdery, S.G., Stone, J.O., and Sass, L.C., III, 2005, Selective glacial erosion and weathering zones in the coastal mountains of Marie Byrd Land, Antarctica: Geomorphology, v. 67, p. 317-334, doi: 10.1016/j.geomorph.2004.10.007.
17. Sugden, D.E., Bentley, M.J., and Ó Cofaigh, C., 2006, Geological and geomorphological insights into Antarctic ice sheet evolution: Royal Society of London Philosophical Transactions, ser. A, v. 264, p. 1607-1625.
18. Vaughan, D.G., and Arthern, R., 2007, Climate change: Why is it hard to predict the future of ice sheets?: Science, v. 315, p. 1503-1504, doi: 10.1126/science.1141111.
19. Vaughan, D.G., Corr, H.J.F., Ferraccioli, F., Frearson, N., O'Hare, A., Mach, D., Holt, J.W., Blankenship, D.D., Morse, D.L., and Young, D.A., 2006, New boundary conditions for the West Antarctic ice sheet: Subglacial topography beneath Pine Island Glacier: Geophysical Research Letters, v. 33, L09501, doi: 10.1029/2005GL025588.