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Isotopic constraints on marine and terrestrial N2O emissions during the last deglaciation

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  • Adrian Schilt

    (College of Earth, Ocean, and Atmospheric Sciences, Oregon State University
    Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

  • Edward J. Brook

    (College of Earth, Ocean, and Atmospheric Sciences, Oregon State University)

  • Thomas K. Bauska

    (College of Earth, Ocean, and Atmospheric Sciences, Oregon State University)

  • Daniel Baggenstos

    (Scripps Institution of Oceanography, University of California)

  • Hubertus Fischer

    (Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

  • Fortunat Joos

    (Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

  • Vasilii V. Petrenko

    (University of Rochester)

  • Hinrich Schaefer

    (National Institute of Water and Atmospheric Research, Wellington 6021, New Zealand)

  • Jochen Schmitt

    (Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

  • Jeffrey P. Severinghaus

    (Scripps Institution of Oceanography, University of California)

  • Renato Spahni

    (Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

  • Thomas F. Stocker

    (Climate and Environmental Physics, Physics Institute, and Oeschger Centre for Climate Change Research, University of Bern, 3012 Bern, Switzerland)

Abstract

Analysis of air trapped in Antarctic ice between 16,000 and 10,000 years before present yields nitrous oxide concentrations and isotopic data showing that the relative contributions from marine and terrestrial sources to nitrous oxide emission changes were equal during that period, but that terrestrial emissions dominated on centennial timescales.

Suggested Citation

  • Adrian Schilt & Edward J. Brook & Thomas K. Bauska & Daniel Baggenstos & Hubertus Fischer & Fortunat Joos & Vasilii V. Petrenko & Hinrich Schaefer & Jochen Schmitt & Jeffrey P. Severinghaus & Renato S, 2014. "Isotopic constraints on marine and terrestrial N2O emissions during the last deglaciation," Nature, Nature, vol. 516(7530), pages 234-237, December.
    • Handle: RePEc:nat:nature:v:516:y:2014:i:7530:d:10.1038_nature13971
    DOI: 10.1038/nature13971
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