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An extraterrestrial 3He-based timescale for the Paleocene–Eocene thermal maximum (PETM) from Walvis Ridge, IODP Site 1266

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Geochimica et Cosmochimica Acta

Elsevier BV

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      Trends, rhythms, and aberrations in global climate 65 Ma to present.

      Since 65 million years ago (Ma), Earth's climate has undergone a significant and complex evolution, the finer details of which are now coming to light through investigations of deep-sea sediment cores. This evolution includes gradual trends of warming and cooling driven by tectonic processes on time scales of 10(5) to 10(7) years, rhythmic or periodic cycles driven by orbital processes with 10(4)- to 10(6)-year cyclicity, and rare rapid aberrant shifts and extreme climate transients with durations of 10(3) to 10(5) years. Here, recent progress in defining the evolution of global climate over the Cenozoic Era is reviewed. We focus primarily on the periodic and anomalous components of variability over the early portion of this era, as constrained by the latest generation of deep-sea isotope records. We also consider how this improved perspective has led to the recognition of previously unforeseen mechanisms for altering climate.
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        Abrupt deep-sea warming, palaeoceanographic changes and benthic extinctions at the end of the Palaeocene

         J P Kennett,  L. Stott (1991)
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          Dissociation of oceanic methane hydrate as a cause of the carbon isotope excursion at the end of the Paleocene

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            Author and article information

            Journal
            Geochimica et Cosmochimica Acta
            Geochimica et Cosmochimica Acta
            Elsevier BV
            00167037
            September 2010
            September 2010
            : 74
            : 17
            : 5098-5108
            10.1016/j.gca.2010.03.039
            © 2010

            http://www.elsevier.com/tdm/userlicense/1.0/

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