PerspectivePaleoclimatology

Millennial Climate Oscillations

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Science  14 Nov 1997:
Vol. 278, Issue 5341, pp. 1244-1246
DOI: 10.1126/science.278.5341.1244

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Summary

Over the course of the ice ages, the climate oscillated with a period of about 20,000 to 100,000 years. Superimposed on these variations were millennial oscillations of 1000 to 2000 years. These oscillations also occurred in the Holocene, which began 11,000 years ago and has been thought to be a time of a relatively stable climate, as shown on p. 1257 of this issue by Bond et al. The Perspective by Oppo discusses these results, obtained from marine sediments, and the possible mechanisms underlying these relatively rapid changes in climate.

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