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Abrupt reversal in ocean overturning during the Palaeocene/Eocene warm period

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  • Flavia Nunes

    (University of California, San Diego)

  • Richard D. Norris

    (University of California, San Diego)

Abstract

Oceans and global warming A global warming event that took place 55 million years ago at the end of the Palaeocene epoch is providing a picture of how Earth responds to climate change. The rapid rise in temperature was accompanied by turnovers in marine and terrestrial biota and changes in ocean chemistry and circulation. A study of carbon isotope records reveals a switch in the location of deep-water formation from the Southern Hemisphere to the Northern Hemisphere that was established within a few thousand years, but may have lasted for at least 40,000 years. This shows how greenhouse conditions can trigger quite rapid changes in deep ocean circulation that take much longer to be reversed.

Suggested Citation

  • Flavia Nunes & Richard D. Norris, 2006. "Abrupt reversal in ocean overturning during the Palaeocene/Eocene warm period," Nature, Nature, vol. 439(7072), pages 60-63, January.
    • Handle: RePEc:nat:nature:v:439:y:2006:i:7072:d:10.1038_nature04386
    DOI: 10.1038/nature04386
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    Cited by:

    1. Patrick J. Michaels, 2008. "Evidence for “Publication Bias†concerning Global Warming in Science and Nature," Energy & Environment, , vol. 19(2), pages 287-301, March.
    2. John Chambers & Andrew Miller & Richard Morgan & Bob Officer & Mark Rayner & Graham Sellars-Jones & Tom Quirk, 2013. "A Review of the Scientific Evidence Underlying the Imposition of a Carbon Tax or Ets in Australia," Energy & Environment, , vol. 24(6), pages 1013-1026, October.
    3. Jinzhou Peng & Dengfeng Li & Simon W. Poulton & Gary J. O’Sullivan & David Chew & Yu Fu & Xiaoming Sun, 2024. "Episodic intensification of marine phosphorus burial over the last 80 million years," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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