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Covariation of deep Southern Ocean oxygenation and atmospheric CO2 through the last ice age

Author

Listed:
  • Samuel L. Jaccard

    (Institute of Geological Sciences, University of Bern
    Oeschger Center for Climate Change Research, University of Bern)

  • Eric D. Galbraith

    (McGill University
    Institució Catalana de Recerca i Estudis Avançats (ICREA)
    Universitat Autonoma de Barcelona)

  • Alfredo Martínez-García

    (Geological Institute, ETH Zurich
    Max Planck Institute for Chemistry)

  • Robert F. Anderson

    (Lamont-Doherty Earth Observatory of Columbia University)

Abstract

A reconstruction of changes in ocean oxygenation throughout the last glacial cycle shows that respired carbon was removed from the deep Southern Ocean during deglaciation and Antarctic warm events, consistent with a prominent role of reduced iron fertilization and enhanced ocean ventilation, modifying atmospheric carbon dioxide concentrations over the past 80,000 years.

Suggested Citation

  • Samuel L. Jaccard & Eric D. Galbraith & Alfredo Martínez-García & Robert F. Anderson, 2016. "Covariation of deep Southern Ocean oxygenation and atmospheric CO2 through the last ice age," Nature, Nature, vol. 530(7589), pages 207-210, February.
    • Handle: RePEc:nat:nature:v:530:y:2016:i:7589:d:10.1038_nature16514
    DOI: 10.1038/nature16514
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    Cited by:

    1. Liao Chang & Babette A. A. Hoogakker & David Heslop & Xiang Zhao & Andrew P. Roberts & Patrick Deckker & Pengfei Xue & Zhaowen Pei & Fan Zeng & Rong Huang & Baoqi Huang & Shishun Wang & Thomas A. Bern, 2023. "Indian Ocean glacial deoxygenation and respired carbon accumulation during mid-late Quaternary ice ages," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Vasco J.Gabriel & Luis F. Martins & Anthoulla Phella, 2021. "Modelling Low-Frequency Covariability of Paleoclimatic Data," Working Papers 2022_17, Business School - Economics, University of Glasgow.
    3. James A. Menking & Sarah A. Shackleton & Thomas K. Bauska & Aron M. Buffen & Edward J. Brook & Stephen Barker & Jeffrey P. Severinghaus & Michael N. Dyonisius & Vasilii V. Petrenko, 2022. "Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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