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An oxygen-isotope climatic record from the Devon Island ice cap, arctic Canada

Naturevolume 266pages508511 (1977) | Download Citation

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Abstract

Isotope measurements on two adjacent cores through the Devon Island ice cap provide a well-dated climatic record for the past 5000 yr. Fluctuations in annual values include much ‘noise’, and ice flow over a rough bed produces distortions in the lowest 5% of core which covers roughly 120,000 yr. Comparison with the Camp Century, Greenland, record helps to separate climatic changes from changes in ice thickness or flow pattern.

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Affiliations

  1. Polar Continental Shelf Project, Department of Energy, Mines and Resources, Ottawa, Canada

    • W. S. B. Paterson
    •  & R. M. Koerner
  2. Geophysical Isotope Laboratory, University of Copenhagen, Denmark

    • D. Fisher
    • , S. J. Johnsen
    • , H. B. Clausen
    •  & W. Dansgaard
  3. Physics Institute, University of Bern, Switzerland

    • P. Bucher
    •  & H. Oeschger

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https://doi.org/10.1038/266508a0

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