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Site U1389: Expedition 339

Expedition 339 Scientists

Proceedings of the IODP

Integrated Ocean Drilling Program

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      The operated Markov´s chains in economy (discrete chains of Markov with the income)

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        The least-squares line and plane and the analysis of palaeomagnetic data

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          The Phanerozoic record of global sea-level change.

          We review Phanerozoic sea-level changes [543 million years ago (Ma) to the present] on various time scales and present a new sea-level record for the past 100 million years (My). Long-term sea level peaked at 100 +/- 50 meters during the Cretaceous, implying that ocean-crust production rates were much lower than previously inferred. Sea level mirrors oxygen isotope variations, reflecting ice-volume change on the 10(4)- to 10(6)-year scale, but a link between oxygen isotope and sea level on the 10(7)-year scale must be due to temperature changes that we attribute to tectonically controlled carbon dioxide variations. Sea-level change has influenced phytoplankton evolution, ocean chemistry, and the loci of carbonate, organic carbon, and siliciclastic sediment burial. Over the past 100 My, sea-level changes reflect global climate evolution from a time of ephemeral Antarctic ice sheets (100 to 33 Ma), through a time of large ice sheets primarily in Antarctica (33 to 2.5 Ma), to a world with large Antarctic and large, variable Northern Hemisphere ice sheets (2.5 Ma to the present).
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            Journal
            10.2204/iodp.proc.339.2013
            Proceedings of the IODP
            Integrated Ocean Drilling Program
            1930-1014
            17 June 2013
            10.2204/iodp.proc.339.107.2013

            This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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            Self URI (journal page): http://publications.iodp.org/

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