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When did the icehouse cometh?

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The concentration of atmospheric carbon dioxide decreased between 45 million and 25 million years ago, a trend accompanied by glaciation at the poles. Modelling results suggest when and where the ice closed in.

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Figure 1: Atmospheric carbon dioxide at the start of large-scale glaciation.

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Authors and Affiliations

  1. Stephen F. Pekar is at the School of Earth and Environmental Sciences, Queens College, 65–30 Kissena Boulevard, Flushing, New York 11367, USA, and at the Lamont Doherty Earth Observatory of Columbia University, New York. stephen.pekar@qc.cuny.edu ,

    Stephen F. Pekar

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  1. Stephen F. Pekar
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Pekar, S. When did the icehouse cometh?. Nature 455, 602–603 (2008). https://doi.org/10.1038/455602a

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