Articles | Volume 16, issue 6
https://doi.org/10.5194/cp-16-2381-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-16-2381-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Nov 2020
Research article |
| 28 Nov 2020
| 28 Nov 2020
Late Paleocene–early Eocene Arctic Ocean sea surface temperatures: reassessing biomarker paleothermometry at Lomonosov Ridge
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Joost Frieling
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Gordon N. Inglis
Organic Geochemistry Unit, School of Chemistry, School of Earth
Sciences, University of Bristol, Bristol, UK
present address: School of Ocean and Earth Science, National
Oceanography Centre Southampton, University of Southampton, Southampton, UK
Klaas G. J. Nierop
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Francien Peterse
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Francesca Sangiorgi
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
Stefan Schouten
Department of Earth Sciences, Faculty of Geosciences, Utrecht
University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands
NIOZ Royal Institute for Sea Research, Department of Microbiology and Biogeochemistry, P.O. Box 59, 1790 AB Den Burg, the Netherlands
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Latest update: 18 Apr 2024
Short summary
We revisit 15-year-old reconstructions of sea surface temperatures in the Arctic Ocean for the late Paleocene and early Eocene epochs (∼ 57–53 million years ago) based on the distribution of fossil membrane lipids of archaea preserved in Arctic Ocean sediments. We find that improvements in the methods over the past 15 years do not lead to different results. However, data quality is now higher and potential biases better characterized. Results confirm remarkable Arctic warmth during this time.
We revisit 15-year-old reconstructions of sea surface temperatures in the Arctic Ocean for the...
