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Eccentricity forcing of Pliocene–Early Pleistocene climate revealed in a marine oxygen-isotope record

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  • Steven C. Clemens

    (Brown Univeristy)

  • Ralf Tiedemann

    (Universität Kiel)

Abstract

Milankovitch theory—that climate is controlled by variations in the Earth's orbital parameters—has gained wide acceptance for its ability to account for two climate cycles: a 23-kyr cycle that is phase-locked to the precession-driven insolation cycle, and a 41-kyr cycle that is phase-locked to the obliquity-driven insolation cycle1–6. But, explaining the observed ∼100-kyr climate cycle in terms of Milankovitch theory—especially for the Late Pleistocene ice-age cycle—remains controversial in spite of a strong correlation with the ∼100-kyr cycle in the Earth's orbital eccentricity5. One problem is that eccentricity affects insolation mainly by modulating the precession cycle; its direct contribution to radiation change is too small (

Suggested Citation

  • Steven C. Clemens & Ralf Tiedemann, 1997. "Eccentricity forcing of Pliocene–Early Pleistocene climate revealed in a marine oxygen-isotope record," Nature, Nature, vol. 385(6619), pages 801-804, February.
    • Handle: RePEc:nat:nature:v:385:y:1997:i:6619:d:10.1038_385801a0
    DOI: 10.1038/385801a0
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    Cited by:

    1. Hong Ao & Eelco J. Rohling & Ran Zhang & Andrew P. Roberts & Ann E. Holbourn & Jean-Baptiste Ladant & Guillaume Dupont-Nivet & Wolfgang Kuhnt & Peng Zhang & Feng Wu & Mark J. Dekkers & Qingsong Liu & , 2021. "Global warming-induced Asian hydrological climate transition across the Miocene–Pliocene boundary," Nature Communications, Nature, vol. 12(1), pages 1-13, December.

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