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Astronomical Time Keeping of Earth History: An Invaluable Contribution of Scientific Ocean Drilling

Littler, K; Westerhold, T; Drury, AJ; Liebrand, D; Lisiecki, L; Paelike, H; (2019) Astronomical Time Keeping of Earth History: An Invaluable Contribution of Scientific Ocean Drilling. Oceanography , 32 (1) pp. 72-76. 10.5670/oceanog.2019.122. Green open access

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Abstract

The mathematically predictable cyclic movements of Earth with respect to the sun provides the basis for constructing highly accurate and precise age models for Earth’s past. Construction of these astronomically calibrated timescales is pivotal to placing major transitions and events in the geological record in their temporal context. Understanding the precise nature and timing of past events is of great societal relevance as we seek to apply these insights to constrain near-future climate scenarios. Scientific ocean drilling has been critical in this endeavor, as the recovery and analysis of high-quality and continuous marine sedimentary archives underpin such high-​resolution age models for paleoclimate records. This article identifies key astronomically calibrated records through the past 66 million years (the Cenozoic) collected during multiple Deep Sea Drilling Project, Ocean Drilling Program, Integrated Ocean Drilling Program, and International Ocean Discovery Program expeditions, highlights major achievements, and suggests where future work is needed.

Type: Article
Title: Astronomical Time Keeping of Earth History: An Invaluable Contribution of Scientific Ocean Drilling
Open access status: An open access version is available from UCL Discovery
DOI: 10.5670/oceanog.2019.122
Publisher version: https://doi.org/10.5670/oceanog.2019.122
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Oceanography, Climate Evolution, North-Atlantic, Late Paleocene, Middle Eocene, Carbon-cycle, Late Miocene, Oligocene, Calibration, Events, Onset
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Earth Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10076953
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