Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise

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Author(s) Marchitto, Thomas M., Lehman, Scott J., Ortiz, Joseph D., Flueckiger, Jacqueline, Geen, Alexander van
Publication Type Journal Items, Publication Status: Published
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Title Marine radiocarbon evidence for the mechanism of deglacial atmospheric CO2 rise
Author(s) Marchitto, Thomas M.
Lehman, Scott J.
Ortiz, Joseph D.
Flueckiger, Jacqueline
Geen, Alexander van
Journal or Series Title Science
Volume Number 316
Issue Number 5830
Start Page 1456
End Page 1459
ISSN 0036-8075
1095-9203
Publisher Science
Publication Place Cambridge
Publication Date 2007-00-00
Abstract We reconstructed the radiocarbon activity of intermediate waters in the eastern North Pacific over the past 38,000 years. Radiocarbon activity paralleled that of the atmosphere, except during deglaciation, when intermediate-water values fell by more than 300 per mil. Such a large decrease requires a deglacial injection of very old waters from a deep-ocean carbon reservoir that was previously well isolated from the atmosphere. The timing of intermediate-water radiocarbon depletion closely matches that of atmospheric carbon dioxide rise and effectively traces the redistribution of carbon from the deep ocean to the atmosphere during deglaciation.
DOI 10.1126/science.1138679
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03731
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NEBIS System Number 000012517
Source Database ID PP-35164
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@article{Mrchtt2007,
  author = "Marchitto, Thomas M. and Lehman, Scott J. and Ortiz, Joseph D. and Flueckiger, Jacqueline and Geen, Alexander van",
  title = "{M}arine radiocarbon evidence for the mechanism of deglacial atmospheric {C}{O}2 rise",
  journal = "Science",
  year = 2007,
  volume = "316",
  number = "5830",
  pages = "1456--1459",
}


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