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dc.contributor.authorVickers, MLen
dc.contributor.authorLengger, SKen
dc.contributor.authorBernasconi, SMen
dc.contributor.authorThibault, Nen
dc.contributor.authorSchultz, BPen
dc.contributor.authorFernandez, Aen
dc.contributor.authorUllmann, CVen
dc.contributor.authorMcCormack, Pen
dc.contributor.authorBjerrum, CJen
dc.contributor.authorRasmussen, JAen
dc.contributor.authorHougård, IWen
dc.contributor.authorKorte, Cen
dc.date.accessioned2020-11-20T15:22:03Z
dc.date.issued2020-09-18en
dc.identifier.other4713en
dc.identifier.urihttp://hdl.handle.net/10026.1/16667
dc.description.abstract

<jats:title>Abstract</jats:title> <jats:p>The early Eocene (c. 56 - 48 million years ago) experienced some of the highest global temperatures in Earth’s history since the Mesozoic, with no polar ice. Reports of contradictory ice-rafted erratics and cold water glendonites in the higher latitudes have been largely dismissed due to ambiguity of the significance of these purported cold-climate indicators. Here we apply clumped isotope paleothermometry to a traditionally qualitative abiotic proxy, glendonite calcite, to generate quantitative temperature estimates for northern mid-latitude bottom waters. Our data show that the glendonites of the Danish Basin formed in waters below 5 °C, at water depths of &lt;300 m. Such near-freezing temperatures have not previously been reconstructed from proxy data for anywhere on the early Eocene Earth, and these data therefore suggest that regionalised cool episodes punctuated the background warmth of the early Eocene, likely linked to eruptive phases of the North Atlantic Igneous Province.</jats:p>

en
dc.format.extent0 - 0en
dc.languageenen
dc.language.isoenen
dc.publisherSpringer Science and Business Media LLCen
dc.titleCold spells in the Nordic Seas during the early Eocene Greenhouseen
dc.typeJournal Article
plymouth.issue1en
plymouth.volume11en
plymouth.journalNature Communicationsen
dc.identifier.doi10.1038/s41467-020-18558-7en
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
dcterms.dateAccepted2020-08-21en
dc.rights.embargodate2020-11-24en
dc.identifier.eissn2041-1723en
dc.rights.embargoperiodNot knownen
rioxxterms.versionofrecord10.1038/s41467-020-18558-7en
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserveden
rioxxterms.licenseref.startdate2020-09-18en
rioxxterms.typeJournal Article/Reviewen


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