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  An astronomically dated record of Earth’s climate and its predictability over the last 66 million years

Westerhold, T., Marwan, N., Drury, A. J., Liebrand, D., Agnini, C., Anagnostou, E., Barnet, J. S. K., Bohaty, S. M., De Vleeschouwer, D., Florindo, F., Frederichs, T., Hodell, D. A., Holbourn, A. E., Kroon, D., Lauretano, V., Littler, K., Lourens, L. J., Lyle, M., Pälike, H., Röhl, U., Tian, J., Wilkens, R. H., Wilson, P. A., Zachos, J. C. (2020): An astronomically dated record of Earth’s climate and its predictability over the last 66 million years. - Science, 369, 6509, 1383-1387.
https://doi.org/10.1126/science.aba6853

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 Creators:
Westerhold, Thomas1, Author
Marwan, Norbert2, Author              
Drury, Anna Joy1, Author
Liebrand, Diederik1, Author
Agnini, Claudia1, Author
Anagnostou, Eleni1, Author
Barnet, James S. K.1, Author
Bohaty, Steven M.1, Author
De Vleeschouwer, David1, Author
Florindo, Fabio1, Author
Frederichs, Thomas1, Author
Hodell, David A.1, Author
Holbourn, Ann E.1, Author
Kroon, Dick1, Author
Lauretano, Vittoria1, Author
Littler, Kate1, Author
Lourens, Lucas J.1, Author
Lyle, Mitchell1, Author
Pälike, Heiko1, Author
Röhl, Ursula1, Author
Tian, Jun1, AuthorWilkens, Roy H.1, AuthorWilson, Paul A.1, AuthorZachos, James C.1, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Much of our understanding of Earth’s past climate comes from the measurement of oxygen and carbon isotope variations in deep-sea benthic foraminifera. Yet, long intervals in existing records lack the temporal resolution and age control needed to thoroughly categorize climate states of the Cenozoic era and to study their dynamics. Here, we present a new, highly resolved, astronomically dated, continuous composite of benthic foraminifer isotope records developed in our laboratories. Four climate states—Hothouse, Warmhouse, Coolhouse, Icehouse—are identified on the basis of their distinctive response to astronomical forcing depending on greenhouse gas concentrations and polar ice sheet volume. Statistical analysis of the nonlinear behavior encoded in our record reveals the key role that polar ice volume plays in the predictability of Cenozoic climate dynamics.

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 Dates: 2020-09-102020
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.aba6853
MDB-ID: yes - 3029
Organisational keyword: RD4 - Complexity Science
PIKDOMAIN: RD4 - Complexity Science
Research topic keyword: Oceans
Research topic keyword: Paleoclimate
Research topic keyword: Nonlinear Dynamics
Research topic keyword: Tipping Elements
Regional keyword: Global
Model / method: Nonlinear Data Analysis
Working Group: Development of advanced time series analysis techniques
OATYPE: Green Open Access
 Degree: -

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Title: Science
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: 369 (6509) Sequence Number: - Start / End Page: 1383 - 1387 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals442
Publisher: American Association for the Advancement of Science (AAAS)