Orbital and Millennial Antarctic Climate Variability over the Past 800,000 Years
Jean-Noël Jouzel, Valérie Masson‐Delmotte, Olivier Cattani, G. Dreyfus, S. Falourd, Bénédicte Minster, Julius Nouet, Jean-Marc Barnola, J. Chappellaz, Hubertus Fischer, Jean‐Charles Gallet, S. J. Johnsen, Markus Leuenberger, L. Loulergue, D. Luethi, Hans Oerter, Frédéric Parrenin, GRANT M. RAISBECK, Dominique Raynaud, A. Schilt, Jakob Schwander, Enricomaria Selmo, Roland A. Souchez, Renato Spahni, B. Stauffer, Jørgen Peder Steffensen, Barbara Stenni, Thomas F. Stocker, Jean‐Louis Tison, Martin Werner, Eric William Wolff
Science · 2007 · 2,761 citationsOpen access
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, approximately 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.
Cite this paper
Jouzel, J.-N., Masson‐Delmotte, V., Cattani, O., Dreyfus, G., Falourd, S., Hoffmann, G., Minster, B., Nouet, J., Barnola, J.-M., Chappellaz, J., Fischer, H., Gallet, J., Johnsen, S. J., Leuenberger, M., Loulergue, L., Luethi, D., Oerter, H., Parrenin, F., RAISBECK, G. M., … Wolff, E. W. (2007). Orbital and millennial antarctic climate variability over the past 800,000 years. Science, 317(5839), 793–796. https://doi.org/10.1126/science.1141038
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