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Orbital and Millennial Antarctic Climate Variability over the Past 800,000 Years

Dome C Antarctic temperature record.
Figure 2. Dome C temperature. Click for larger image.

Orbital and Millennial Antarctic Climate Variability over the Past 800,000 Years

Science
Vol. 317, No. 5839, pp.793-797, 10 August 2007.
doi: 10.1126/science.1141038

J. Jouzel, V. Masson-Delmotte, O. Cattani, G. Dreyfus, S. Falourd, G. Hoffmann, B. Minster, J. Nouet, J.M. Barnola, J. Chappellaz, H. Fischer, J.C. Gallet, S. Johnsen, M. Leuenberger, L. Loulergue, D. Luethi, H. Oerter, F. Parrenin, G. Raisbeck, D. Raynaud, A. Schilt, J. Schwander, E. Selmo, R. Souchez, R. Spahni, B. Stauffer, J.P. Steffensen, B. Stenni, T.F. Stocker, J.L. Tison, M. Werner, and E.W. Wolff.

ABSTRACT:
A high-resolution deuterium profile is now available along the entire European Project for Ice Coring in Antarctica Dome C ice core, extending this climate record back to marine isotope stage 20.2, ~800,000 years ago. Experiments performed with an atmospheric general circulation model including water isotopes support its temperature interpretation. We assessed the general correspondence between Dansgaard-Oeschger events and their smoothed Antarctic counterparts for this Dome C record, which reveals the presence of such features with similar amplitudes during previous glacial periods. We suggest that the interplay between obliquity and precession accounts for the variable intensity of interglacial periods in ice core records.
Download data from the WDC Paleo archive:
EPICA Dome C Ice Core 800KYr Deuterium Data and Temperature Estimates, Text or Excel format.

To read or view the full study, please visit the Science website.
It was published in Science, Vol. 317, No. 5839, pp.793-797, 10 August 2007. DOI: 10.1126/science.1141038
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