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Ice plug prevents irreversible discharge from East Antarctica

Author

Listed:
  • M. Mengel

    (Potsdam Institute for Climate Impact Research
    Institute of Physics, Potsdam University)

  • A. Levermann

    (Potsdam Institute for Climate Impact Research
    Institute of Physics, Potsdam University)

Abstract

The Wilkes ice sheet in East Antarctica, which lies on bedrock below sea level, is sensitive to climate change but its stability and potential contribution to sea-level rise has not been comprehensively assessed. This study uses topographic data and ice-dynamic simulations to show that removal of a specific coastal ice volume destabilizes the ice sheet, leading to discharge of the entire Wilkes Basin and global sea-level rise of 3–4 m.

Suggested Citation

  • M. Mengel & A. Levermann, 2014. "Ice plug prevents irreversible discharge from East Antarctica," Nature Climate Change, Nature, vol. 4(6), pages 451-455, June.
    • Handle: RePEc:nat:natcli:v:4:y:2014:i:6:d:10.1038_nclimate2226
    DOI: 10.1038/nclimate2226
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    Citations

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    Cited by:

    1. James R. Jordan & B. W. J. Miles & G. H. Gudmundsson & S. S. R. Jamieson & A. Jenkins & C. R. Stokes, 2023. "Increased warm water intrusions could cause mass loss in East Antarctica during the next 200 years," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Eliza J. Dawson & Dustin M. Schroeder & Winnie Chu & Elisa Mantelli & Hélène Seroussi, 2022. "Ice mass loss sensitivity to the Antarctic ice sheet basal thermal state," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Nicholas R. Golledge, 2020. "Long‐term projections of sea‐level rise from ice sheets," Wiley Interdisciplinary Reviews: Climate Change, John Wiley & Sons, vol. 11(2), March.
    4. Carl-Friedrich Schleussner & Joeri Rogelj & Michiel Schaeffer & Tabea Lissner & Rachel Licker & Erich M. Fischer & Reto Knutti & Anders Levermann & Katja Frieler & William Hare, 2016. "Science and policy characteristics of the Paris Agreement temperature goal," Nature Climate Change, Nature, vol. 6(9), pages 827-835, September.
    5. Mutsumi Iizuka & Osamu Seki & David J. Wilson & Yusuke Suganuma & Keiji Horikawa & Tina Flierdt & Minoru Ikehara & Takuya Itaki & Tomohisa Irino & Masanobu Yamamoto & Motohiro Hirabayashi & Hiroyuki M, 2023. "Multiple episodes of ice loss from the Wilkes Subglacial Basin during the Last Interglacial," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    6. Ilaria Crotti & Aurélien Quiquet & Amaelle Landais & Barbara Stenni & David J. Wilson & Mirko Severi & Robert Mulvaney & Frank Wilhelms & Carlo Barbante & Massimo Frezzotti, 2022. "Wilkes subglacial basin ice sheet response to Southern Ocean warming during late Pleistocene interglacials," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    7. Michael E. Weber & Nicholas R. Golledge & Chris J. Fogwill & Chris S. M. Turney & Zoë A. Thomas, 2021. "Decadal-scale onset and termination of Antarctic ice-mass loss during the last deglaciation," Nature Communications, Nature, vol. 12(1), pages 1-13, December.
    8. Gavin Piccione & Terrence Blackburn & Slawek Tulaczyk & E. Troy Rasbury & Mathis P. Hain & Daniel E. Ibarra & Katharina Methner & Chloe Tinglof & Brandon Cheney & Paul Northrup & Kathy Licht, 2022. "Subglacial precipitates record Antarctic ice sheet response to late Pleistocene millennial climate cycles," Nature Communications, Nature, vol. 13(1), pages 1-14, December.

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