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Reconstruction of the history of anthropogenic CO2 concentrations in the ocean

Author

Listed:
  • S. Khatiwala

    (Lamont-Doherty Earth Observatory of Columbia University, Palisades, New York 10964, USA)

  • F. Primeau

    (University of California, Irvine, California 92697, USA)

  • T. Hall

    (NASA Goddard Institute for Space Studies, 2880 Broadway, New York, New York 10025, USA)

Abstract

Where does our CO2 go? The ocean is a major carbon sink, absorbing perhaps a third of anthropogenic CO2 emissions, but there are considerable uncertainties as to the distribution and rate of CO2 capture. Khatiwala et al. present an observationally based reconstruction of anthropogenic carbon uptake in the ocean during the industrial era. They map the regions where it is most concentrated, and track the accumulations over time. The findings indicate that uptake of anthropogenic CO2 in the oceans has increased sharply since the 1950s, with a small decline in the rate of increase in recent decades. The Southern Ocean is the biggest sink, with over 40% of total uptake. The results also suggest that the terrestrial biosphere was a source of CO2 until the 1940s, subsequently becoming a sink.

Suggested Citation

  • S. Khatiwala & F. Primeau & T. Hall, 2009. "Reconstruction of the history of anthropogenic CO2 concentrations in the ocean," Nature, Nature, vol. 462(7271), pages 346-349, November.
    • Handle: RePEc:nat:nature:v:462:y:2009:i:7271:d:10.1038_nature08526
    DOI: 10.1038/nature08526
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    Cited by:

    1. Changping Zhao & Juanjuan Sun & Yu Gong & Zhi Li & Peter Zhou, 2022. "Research on the Blue Carbon Trading Market System under Blockchain Technology," Energies, MDPI, vol. 15(9), pages 1-17, April.
    2. Sebastien Moreau & Tore Hattermann & Laura Steur & Hanna M. Kauko & Heidi Ahonen & Murat Ardelan & Philipp Assmy & Melissa Chierici & Sebastien Descamps & Tilman Dinter & Tone Falkenhaug & Agneta Fran, 2023. "Wind-driven upwelling of iron sustains dense blooms and food webs in the eastern Weddell Gyre," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Guochang Fang & Kun Yang & Gang Chen & Xiaohang Ren & Farhad Taghizadeh-Hesary, 2023. "Exploring the effectiveness of fiscal decentralization in environmental expenditure based on the CO2 ecological footprint in urban China," Palgrave Communications, Palgrave Macmillan, vol. 10(1), pages 1-14, December.
    4. McLaughlin, Hope & Littlefield, Anna A. & Menefee, Maia & Kinzer, Austin & Hull, Tobias & Sovacool, Benjamin K. & Bazilian, Morgan D. & Kim, Jinsoo & Griffiths, Steven, 2023. "Carbon capture utilization and storage in review: Sociotechnical implications for a carbon reliant world," Renewable and Sustainable Energy Reviews, Elsevier, vol. 177(C).
    5. Govindasamy Bala & Ranjith Gopalakrishnan & Mathangi Jayaraman & Ramakrishna Nemani & N. Ravindranath, 2011. "CO 2 -fertilization and potential future terrestrial carbon uptake in India," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 16(2), pages 143-160, February.
    6. Pawłowski Artur & Cao Yucheng, 2014. "The role of CO2 in the Earth’s ecosystem and the possibility of controlling flows between subsystems," Gospodarka Surowcami Mineralnymi / Mineral Resources Management, Sciendo, vol. 30(4), pages 1-15, December.

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