Boron isotope evidence for oceanic carbon dioxide leakage during the last deglaciation

M. A. Martínez-Botí (), G. Marino (), G. L. Foster, P. Ziveri, M. J. Henehan, J. W. B. Rae, P. G. Mortyn and D. Vance
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M. A. Martínez-Botí: Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton Waterfront Campus, Southampton SO14 3ZH, UK
G. Marino: Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona, Bellaterra, Catalonia, 08193, Spain
G. L. Foster: Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton Waterfront Campus, Southampton SO14 3ZH, UK
P. Ziveri: Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona, Bellaterra, Catalonia, 08193, Spain
M. J. Henehan: Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton Waterfront Campus, Southampton SO14 3ZH, UK
J. W. B. Rae: California Institute of Technology
P. G. Mortyn: Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona, Bellaterra, Catalonia, 08193, Spain
D. Vance: Institute of Geochemistry and Petrology, ETH Zürich, NW D81.4, Zürich 8092, Switzerland

Nature, 2015, vol. 518, issue 7538, 219-222

Abstract: The boron isotope pH proxy in sediment-core planktic foraminifera is used as a tracer of oceanic CO2 outgassing to show that surface waters which derive partly from deep water upwelled in the Southern Ocean became a significant source of carbon to the atmosphere during the last deglaciation.

Date: 2015
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DOI: 10.1038/nature14155

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