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The marine geological imprint of Antarctic ice shelves

Author

Listed:
  • James A. Smith

    (British Antarctic Survey)

  • Alastair G. C. Graham

    (University of Exeter
    University of South Florida)

  • Alix L. Post

    (Geoscience Australia)

  • Claus-Dieter Hillenbrand

    (British Antarctic Survey)

  • Philip J. Bart

    (Department of Geology and Geophysics)

  • Ross D. Powell

    (Northern Illinois University)

Abstract

Reductions in the thickness and extent of Antarctic ice shelves are triggering increased discharge of marine-terminating glaciers. While the impacts of recent changes are well documented, their role in modulating past ice-sheet dynamics remains poorly constrained. This reflects two persistent issues; first, the effective discrimination of sediments and landforms solely attributable to sub-ice-shelf deposition, and second, challenges in dating these records. Recent progress in deciphering the geological imprint of Antarctic ice shelves is summarised, including advances in dating methods and proxies to reconstruct drivers of change. Finally, we identify several challenges to overcome to fully exploit the paleo record.

Suggested Citation

  • James A. Smith & Alastair G. C. Graham & Alix L. Post & Claus-Dieter Hillenbrand & Philip J. Bart & Ross D. Powell, 2019. "The marine geological imprint of Antarctic ice shelves," Nature Communications, Nature, vol. 10(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13496-5
    DOI: 10.1038/s41467-019-13496-5
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    Cited by:

    1. Adam D. Sproson & Yusuke Yokoyama & Yosuke Miyairi & Takahiro Aze & Rebecca L. Totten, 2022. "Holocene melting of the West Antarctic Ice Sheet driven by tropical Pacific warming," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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