Cold spells in the Nordic Seas during the early Eocene Greenhouse
<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 hig...
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2020
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Online Access: | http://hdl.handle.net/10026.1/16667 https://doi.org/10.1038/s41467-020-18558-7 |
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ftunivplympearl:oai:pearl.plymouth.ac.uk:10026.1/16667 2024-06-09T07:47:54+00:00 Cold spells in the Nordic Seas during the early Eocene Greenhouse Vickers, ML Lengger, SK Bernasconi, SM Thibault, N Schultz, BP Fernandez, A Ullmann, CV McCormack, P Bjerrum, CJ Rasmussen, JA Hougård, IW Korte, C 2020-09-18 0-0 Electronic application/pdf http://hdl.handle.net/10026.1/16667 https://doi.org/10.1038/s41467-020-18558-7 en eng Springer Science and Business Media LLC England ISSN:2041-1723 E-ISSN:2041-1723 2041-1723 4713 http://hdl.handle.net/10026.1/16667 doi:10.1038/s41467-020-18558-7 2020-11-24 Not known 3709 Physical Geography and Environmental Geoscience 31 Biological Sciences 3103 Ecology 37 Earth Sciences 3702 Climate Change Science 3705 Geology journal-article Article 2020 ftunivplympearl https://doi.org/10.1038/s41467-020-18558-7 2024-05-14T23:44:04Z <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 <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> Article in Journal/Newspaper Nordic Seas North Atlantic PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University) Nature Communications 11 1 |
institution |
Open Polar |
collection |
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University) |
op_collection_id |
ftunivplympearl |
language |
English |
topic |
3709 Physical Geography and Environmental Geoscience 31 Biological Sciences 3103 Ecology 37 Earth Sciences 3702 Climate Change Science 3705 Geology |
spellingShingle |
3709 Physical Geography and Environmental Geoscience 31 Biological Sciences 3103 Ecology 37 Earth Sciences 3702 Climate Change Science 3705 Geology Vickers, ML Lengger, SK Bernasconi, SM Thibault, N Schultz, BP Fernandez, A Ullmann, CV McCormack, P Bjerrum, CJ Rasmussen, JA Hougård, IW Korte, C Cold spells in the Nordic Seas during the early Eocene Greenhouse |
topic_facet |
3709 Physical Geography and Environmental Geoscience 31 Biological Sciences 3103 Ecology 37 Earth Sciences 3702 Climate Change Science 3705 Geology |
description |
<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 <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> |
format |
Article in Journal/Newspaper |
author |
Vickers, ML Lengger, SK Bernasconi, SM Thibault, N Schultz, BP Fernandez, A Ullmann, CV McCormack, P Bjerrum, CJ Rasmussen, JA Hougård, IW Korte, C |
author_facet |
Vickers, ML Lengger, SK Bernasconi, SM Thibault, N Schultz, BP Fernandez, A Ullmann, CV McCormack, P Bjerrum, CJ Rasmussen, JA Hougård, IW Korte, C |
author_sort |
Vickers, ML |
title |
Cold spells in the Nordic Seas during the early Eocene Greenhouse |
title_short |
Cold spells in the Nordic Seas during the early Eocene Greenhouse |
title_full |
Cold spells in the Nordic Seas during the early Eocene Greenhouse |
title_fullStr |
Cold spells in the Nordic Seas during the early Eocene Greenhouse |
title_full_unstemmed |
Cold spells in the Nordic Seas during the early Eocene Greenhouse |
title_sort |
cold spells in the nordic seas during the early eocene greenhouse |
publisher |
Springer Science and Business Media LLC |
publishDate |
2020 |
url |
http://hdl.handle.net/10026.1/16667 https://doi.org/10.1038/s41467-020-18558-7 |
genre |
Nordic Seas North Atlantic |
genre_facet |
Nordic Seas North Atlantic |
op_relation |
ISSN:2041-1723 E-ISSN:2041-1723 2041-1723 4713 http://hdl.handle.net/10026.1/16667 doi:10.1038/s41467-020-18558-7 |
op_rights |
2020-11-24 Not known |
op_doi |
https://doi.org/10.1038/s41467-020-18558-7 |
container_title |
Nature Communications |
container_volume |
11 |
container_issue |
1 |
_version_ |
1801379378573082624 |