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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- Enhanced ocean oxygenation during Cenozoic warm periods A. Auderset et al. 10.1038/s41586-022-05017-0
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- Tracing North Atlantic volcanism and seaway connectivity across the Paleocene–Eocene Thermal Maximum (PETM) M. Jones et al. 10.5194/cp-19-1623-2023
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- Heterotrophic origin and diverse sources of branched glycerol monoalkyl glycerol tetraethers (brGMGTs) in peats and lignites F. Elling et al. 10.1016/j.orggeochem.2023.104558
- OPTiMAL: a new machine learning approach for GDGT-based palaeothermometry T. Dunkley Jones et al. 10.5194/cp-16-2599-2020
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- Improved protocols for large-volume injection and liquid chromatography–mass spectrometry analyses enable determination of various glycerol dialkyl glycerol tetraethers in a small amount of sediment and suspended particulate matter Y. Wang et al. 10.1016/j.chemgeo.2022.120793
- Bacterial glycerol tetraethers as a potential tool to trace marine methane cycling Z. Zhang et al. 10.1002/lno.12462
- Large and rapid salinity fluctuations affected the eastern Mediterranean at the Tortonian–Messinian transition E. Besiou et al. 10.1016/j.palaeo.2024.112568
- Environmental controls on the distribution of brGDGTs and brGMGTs across the Seine River basin (NW France): implications for bacterial tetraethers as a proxy for riverine runoff Z. Zhang et al. 10.5194/bg-21-2227-2024
- Southward displacement of the glacial westerly jet over Asia driven by enhanced Arctic amplification after the Mid-Brunhes Event A. Jonas et al. 10.1016/j.gloplacha.2023.104173
- Anoxic in situ production of bacterial GMGTs in the water column and surficial bottom sediments of a meromictic tropical crater lake: Implications for lake paleothermometry A. Baxter et al. 10.1016/j.gca.2021.05.015
- Eocene giant ants, Arctic intercontinental dispersal, and hyperthermals revisited: discovery of fossil Titanomyrma (Hymenoptera: Formicidae: Formiciinae) in the cool uplands of British Columbia, Canada S. Archibald et al. 10.4039/tce.2022.49
- Coupled decline in ocean pH and carbonate saturation during the Palaeocene–Eocene Thermal Maximum M. Li et al. 10.1038/s41561-024-01579-y
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- Late Miocene cooling and uplift recorded by bacterial H-GDGTs in the Xining Basin, northeastern Tibetan Plateau Y. Huang et al. 10.1016/j.palaeo.2024.112354
- Archaeal lipids trace ecology and evolution of marine ammonia-oxidizing archaea R. Rattanasriampaipong et al. 10.1073/pnas.2123193119
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- Lipid-biomarker-based sea surface temperature record offshore Tasmania over the last 23 million years S. Hou et al. 10.5194/cp-19-787-2023
- Constraining Water Depth Influence on Organic Paleotemperature Proxies Using Sedimentary Archives D. Varma et al. 10.1029/2022PA004533
- Assessing environmental change associated with early Eocene hyperthermals in the Atlantic Coastal Plain, USA W. Rush et al. 10.5194/cp-19-1677-2023
- Spatial and Temporal Patterns in Petrogenic Organic Carbon Mobilization During the Paleocene‐Eocene Thermal Maximum E. Hollingsworth et al. 10.1029/2023PA004773
Latest update: 20 Nov 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...
