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Persistent 400,000-year variability of Antarctic ice volume and the carbon cycle is revealed throughout the Plio-Pleistocene

Author

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  • B. de Boer

    (Institute for Marine and Atmospheric research Utrecht (IMAU), Utrecht University)

  • Lucas J. Lourens

    (Faculty of Geosciences, Utrecht University)

  • Roderik S.W. van de Wal

    (Institute for Marine and Atmospheric research Utrecht (IMAU), Utrecht University)

Abstract

Marine sediment records from the Oligocene and Miocene reveal clear 400,000-year climate cycles related to variations in orbital eccentricity. These cycles are also observed in the Plio-Pleistocene records of the global carbon cycle. However, they are absent from the Late Pleistocene ice-age record over the past 1.5 million years. Here we present a simulation of global ice volume over the past 5 million years with a coupled system of four three-dimensional ice-sheet models. Our simulation shows that the 400,000-year long eccentricity cycles of Antarctica vary coherently with δ13C data during the Pleistocene, suggesting that they drove the long-term carbon cycle changes throughout the past 35 million years. The 400,000-year response of Antarctica was eventually suppressed by the dominant 100,000-year glacial cycles of the large ice sheets in the Northern Hemisphere.

Suggested Citation

  • B. de Boer & Lucas J. Lourens & Roderik S.W. van de Wal, 2014. "Persistent 400,000-year variability of Antarctic ice volume and the carbon cycle is revealed throughout the Plio-Pleistocene," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms3999
    DOI: 10.1038/ncomms3999
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    Cited by:

    1. Edward Armstrong & Miikka Tallavaara & Peter O. Hopcroft & Paul J. Valdes, 2023. "North African humid periods over the past 800,000 years," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Stewart S. R. Jamieson & Neil Ross & Guy J. G. Paxman & Fiona J. Clubb & Duncan A. Young & Shuai Yan & Jamin Greenbaum & Donald D. Blankenship & Martin J. Siegert, 2023. "An ancient river landscape preserved beneath the East Antarctic Ice Sheet," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. G. Burch Fisher & Lisa V. Luna & William H. Amidon & Douglas W. Burbank & Bas Boer & Lennert B. Stap & Bodo Bookhagen & Vincent Godard & Michael E. Oskin & Ricardo N. Alonso & Erik Tuenter & Lucas J. , 2023. "Milankovitch-paced erosion in the southern Central Andes," Nature Communications, Nature, vol. 14(1), pages 1-15, December.

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