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Choosing the future of Antarctica

Author

Listed:
  • S. R. Rintoul

    (CSIRO Oceans & Atmosphere
    Antarctic Climate and Ecosystems Cooperative Research Centre
    Centre for Southern Hemisphere Oceans Research)

  • S. L. Chown

    (Monash University)

  • R. M. DeConto

    (University of Massachusetts)

  • M. H. England

    (University of New South Wales)

  • H. A. Fricker

    (Scripps Institution of Oceanography)

  • V. Masson-Delmotte

    (LSCE (IPSL, CEA-CNRS-UVSQ, Université Paris Saclay))

  • T. R. Naish

    (Victoria University of Wellington)

  • M. J. Siegert

    (Imperial College London)

  • J. C. Xavier

    (University of Coimbra
    Natural Environment Research Council)

Abstract

We present two narratives on the future of Antarctica and the Southern Ocean, from the perspective of an observer looking back from 2070. In the first scenario, greenhouse gas emissions remained unchecked, the climate continued to warm, and the policy response was ineffective; this had large ramifications in Antarctica and the Southern Ocean, with worldwide impacts. In the second scenario, ambitious action was taken to limit greenhouse gas emissions and to establish policies that reduced anthropogenic pressure on the environment, slowing the rate of change in Antarctica. Choices made in the next decade will determine what trajectory is realized.

Suggested Citation

  • S. R. Rintoul & S. L. Chown & R. M. DeConto & M. H. England & H. A. Fricker & V. Masson-Delmotte & T. R. Naish & M. J. Siegert & J. C. Xavier, 2018. "Choosing the future of Antarctica," Nature, Nature, vol. 558(7709), pages 233-241, June.
    • Handle: RePEc:nat:nature:v:558:y:2018:i:7709:d:10.1038_s41586-018-0173-4
    DOI: 10.1038/s41586-018-0173-4
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    Cited by:

    1. 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.

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