Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula

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Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula. / Glasser, N.F.; Davies, B.J.; Carrivick, J.L.; Rodés, A.; Hambrey, M.J.; Smellie, J.L.; Domack, E.

In: Quaternary Science Reviews, Vol. 86, 15.02.2014, p. 78-88.

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Harvard

Glasser, NF, Davies, BJ, Carrivick, JL, Rodés, A, Hambrey, MJ, Smellie, JL & Domack, E 2014, 'Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula', Quaternary Science Reviews, vol. 86, pp. 78-88. https://doi.org/10.1016/j.quascirev.2013.11.012

APA

Glasser, N. F., Davies, B. J., Carrivick, J. L., Rodés, A., Hambrey, M. J., Smellie, J. L., & Domack, E. (2014). Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula. Quaternary Science Reviews, 86, 78-88. https://doi.org/10.1016/j.quascirev.2013.11.012

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Glasser, N.F. ; Davies, B.J. ; Carrivick, J.L. ; Rodés, A. ; Hambrey, M.J. ; Smellie, J.L. ; Domack, E. / Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula. In: Quaternary Science Reviews. 2014 ; Vol. 86. pp. 78-88.

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@article{59b41e8670574139877b4b960621f7d3,
title = "Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula",
abstract = "Predicting the future response of the Antarctic Ice Sheet to climate change requires an understanding of the ice streams that dominate its dynamics. Here we use cosmogenic isotope exposure-age dating (Al-26, Be-10 and Cl-36) of erratic boulders on ice-free land on James Ross Island, north-eastern Antarctic Peninsula, to define the evolution of Last Glacial Maximum (LGM) ice in the adjacent Prince Gustav Channel. These data include ice-sheet extent, thickness and dynamical behaviour. Prior to similar to 18 ka, the LGM Antarctic Peninsula Ice Sheet extended to the continental shelf-edge and transported erratic boulders onto high-elevation mesas on James Ross Island. After similar to 18 ka there was a period of rapid ice-sheet surface-lowering, coincident with the initiation of the Prince Gustav Ice Stream. This timing coincided with rapid increases in atmospheric temperature and eustatic sea-level rise around the Antarctic Peninsula. Collectively, these data provide evidence for a transition from a thick, cold-based LGM Antarctic Peninsula Ice Sheet to a thinner, partially warm-based ice sheet during deglaciation. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.",
keywords = "Antarctica, Ice streams, Cosmogenic isotope dating, LAST GLACIAL MAXIMUM, PRINCE GUSTAV CHANNEL, EXPOSURE AGES, GEOLOGICAL CONSTRAINTS, CLIMATE HISTORY, FLOW DYNAMICS, WEDDELL SEA, SHEET, HOLOCENE, REGION",
author = "N.F. Glasser and B.J. Davies and J.L. Carrivick and A. Rod{\'e}s and M.J. Hambrey and J.L. Smellie and E. Domack",
year = "2014",
month = feb,
day = "15",
doi = "10.1016/j.quascirev.2013.11.012",
language = "English",
volume = "86",
pages = "78--88",
journal = "Quaternary Science Reviews",
issn = "0277-3791",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Ice-stream initiation, duration and thinning on James Ross Island, northern Antarctic Peninsula

AU - Glasser, N.F.

AU - Davies, B.J.

AU - Carrivick, J.L.

AU - Rodés, A.

AU - Hambrey, M.J.

AU - Smellie, J.L.

AU - Domack, E.

PY - 2014/2/15

Y1 - 2014/2/15

N2 - Predicting the future response of the Antarctic Ice Sheet to climate change requires an understanding of the ice streams that dominate its dynamics. Here we use cosmogenic isotope exposure-age dating (Al-26, Be-10 and Cl-36) of erratic boulders on ice-free land on James Ross Island, north-eastern Antarctic Peninsula, to define the evolution of Last Glacial Maximum (LGM) ice in the adjacent Prince Gustav Channel. These data include ice-sheet extent, thickness and dynamical behaviour. Prior to similar to 18 ka, the LGM Antarctic Peninsula Ice Sheet extended to the continental shelf-edge and transported erratic boulders onto high-elevation mesas on James Ross Island. After similar to 18 ka there was a period of rapid ice-sheet surface-lowering, coincident with the initiation of the Prince Gustav Ice Stream. This timing coincided with rapid increases in atmospheric temperature and eustatic sea-level rise around the Antarctic Peninsula. Collectively, these data provide evidence for a transition from a thick, cold-based LGM Antarctic Peninsula Ice Sheet to a thinner, partially warm-based ice sheet during deglaciation. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

AB - Predicting the future response of the Antarctic Ice Sheet to climate change requires an understanding of the ice streams that dominate its dynamics. Here we use cosmogenic isotope exposure-age dating (Al-26, Be-10 and Cl-36) of erratic boulders on ice-free land on James Ross Island, north-eastern Antarctic Peninsula, to define the evolution of Last Glacial Maximum (LGM) ice in the adjacent Prince Gustav Channel. These data include ice-sheet extent, thickness and dynamical behaviour. Prior to similar to 18 ka, the LGM Antarctic Peninsula Ice Sheet extended to the continental shelf-edge and transported erratic boulders onto high-elevation mesas on James Ross Island. After similar to 18 ka there was a period of rapid ice-sheet surface-lowering, coincident with the initiation of the Prince Gustav Ice Stream. This timing coincided with rapid increases in atmospheric temperature and eustatic sea-level rise around the Antarctic Peninsula. Collectively, these data provide evidence for a transition from a thick, cold-based LGM Antarctic Peninsula Ice Sheet to a thinner, partially warm-based ice sheet during deglaciation. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

KW - Antarctica

KW - Ice streams

KW - Cosmogenic isotope dating

KW - LAST GLACIAL MAXIMUM

KW - PRINCE GUSTAV CHANNEL

KW - EXPOSURE AGES

KW - GEOLOGICAL CONSTRAINTS

KW - CLIMATE HISTORY

KW - FLOW DYNAMICS

KW - WEDDELL SEA

KW - SHEET

KW - HOLOCENE

KW - REGION

UR - http://www.scopus.com/inward/record.url?scp=84892839474&partnerID=8YFLogxK

UR - http://hdl.handle.net/2160/13448

U2 - 10.1016/j.quascirev.2013.11.012

DO - 10.1016/j.quascirev.2013.11.012

M3 - Article

AN - SCOPUS:84892839474

VL - 86

SP - 78

EP - 88

JO - Quaternary Science Reviews

JF - Quaternary Science Reviews

SN - 0277-3791

ER -

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