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High temperatures in the terrestrial mid-latitudes during the early Palaeogene

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High temperatures in the terrestrial mid-latitudes during the early Palaeogene. / Naafs, B. D.A.; Rohrssen, M.; Inglis, G. N.; Lähteenoja, O.; Feakins, S. J.; Collinson, M. E.; Kennedy, E. M.; Singh, P. K.; Singh, M. P.; Lunt, D. J.; Pancost, R. D.

In: Nature Geoscience, 01.10.2018.

Research output: Contribution to journalArticle

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Naafs, BDA, Rohrssen, M, Inglis, GN, Lähteenoja, O, Feakins, SJ, Collinson, ME, Kennedy, EM, Singh, PK, Singh, MP, Lunt, DJ & Pancost, RD 2018, 'High temperatures in the terrestrial mid-latitudes during the early Palaeogene', Nature Geoscience. https://doi.org/10.1038/s41561-018-0199-0

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Vancouver

Naafs BDA, Rohrssen M, Inglis GN, Lähteenoja O, Feakins SJ, Collinson ME et al. High temperatures in the terrestrial mid-latitudes during the early Palaeogene. Nature Geoscience. 2018 Oct 1. https://doi.org/10.1038/s41561-018-0199-0

Author

Naafs, B. D.A. ; Rohrssen, M. ; Inglis, G. N. ; Lähteenoja, O. ; Feakins, S. J. ; Collinson, M. E. ; Kennedy, E. M. ; Singh, P. K. ; Singh, M. P. ; Lunt, D. J. ; Pancost, R. D. / High temperatures in the terrestrial mid-latitudes during the early Palaeogene. In: Nature Geoscience. 2018.

Bibtex

@article{82e934732a5d4a6d9ca1da5ebf433d8b,
title = "High temperatures in the terrestrial mid-latitudes during the early Palaeogene",
abstract = "The early Paleogene (56–48 Myr) provides valuable information about the Earth’s climate system in an equilibrium high pCO2 world. High ocean temperatures have been reconstructed for this greenhouse period, but land temperature estimates have been cooler than expected. This mismatch between marine and terrestrial temperatures has been difficult to reconcile. Here we present terrestrial temperature estimates from a newly calibrated branched glycerol dialkyl glycerol tetraether-based palaeothermometer in ancient lignites (fossilized peat). Our results suggest early Palaeogene mid-latitude mean annual air temperatures of 23–29 °C (with an uncertainty of ± 4.7 °C), 5–10 °C higher than most previous estimates. The identification of archaeal biomarkers in these same lignites, previously observed only in thermophiles and hyperthermophilic settings, support these high temperature estimates. These mid-latitude terrestrial temperature estimates are consistent with reconstructed ocean temperatures and indicate that the terrestrial realm was much warmer during the early Palaeogene than previously thought.",
author = "Naafs, {B. D.A.} and M. Rohrssen and Inglis, {G. N.} and O. L{\"a}hteenoja and Feakins, {S. J.} and Collinson, {M. E.} and Kennedy, {E. M.} and Singh, {P. K.} and Singh, {M. P.} and Lunt, {D. J.} and Pancost, {R. D.}",
year = "2018",
month = "10",
day = "1",
doi = "10.1038/s41561-018-0199-0",
language = "English",
journal = "Nature Geoscience",
issn = "1752-0894",
publisher = "Springer Nature",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - High temperatures in the terrestrial mid-latitudes during the early Palaeogene

AU - Naafs, B. D.A.

AU - Rohrssen, M.

AU - Inglis, G. N.

AU - Lähteenoja, O.

AU - Feakins, S. J.

AU - Collinson, M. E.

AU - Kennedy, E. M.

AU - Singh, P. K.

AU - Singh, M. P.

AU - Lunt, D. J.

AU - Pancost, R. D.

PY - 2018/10/1

Y1 - 2018/10/1

N2 - The early Paleogene (56–48 Myr) provides valuable information about the Earth’s climate system in an equilibrium high pCO2 world. High ocean temperatures have been reconstructed for this greenhouse period, but land temperature estimates have been cooler than expected. This mismatch between marine and terrestrial temperatures has been difficult to reconcile. Here we present terrestrial temperature estimates from a newly calibrated branched glycerol dialkyl glycerol tetraether-based palaeothermometer in ancient lignites (fossilized peat). Our results suggest early Palaeogene mid-latitude mean annual air temperatures of 23–29 °C (with an uncertainty of ± 4.7 °C), 5–10 °C higher than most previous estimates. The identification of archaeal biomarkers in these same lignites, previously observed only in thermophiles and hyperthermophilic settings, support these high temperature estimates. These mid-latitude terrestrial temperature estimates are consistent with reconstructed ocean temperatures and indicate that the terrestrial realm was much warmer during the early Palaeogene than previously thought.

AB - The early Paleogene (56–48 Myr) provides valuable information about the Earth’s climate system in an equilibrium high pCO2 world. High ocean temperatures have been reconstructed for this greenhouse period, but land temperature estimates have been cooler than expected. This mismatch between marine and terrestrial temperatures has been difficult to reconcile. Here we present terrestrial temperature estimates from a newly calibrated branched glycerol dialkyl glycerol tetraether-based palaeothermometer in ancient lignites (fossilized peat). Our results suggest early Palaeogene mid-latitude mean annual air temperatures of 23–29 °C (with an uncertainty of ± 4.7 °C), 5–10 °C higher than most previous estimates. The identification of archaeal biomarkers in these same lignites, previously observed only in thermophiles and hyperthermophilic settings, support these high temperature estimates. These mid-latitude terrestrial temperature estimates are consistent with reconstructed ocean temperatures and indicate that the terrestrial realm was much warmer during the early Palaeogene than previously thought.

UR - http://www.scopus.com/inward/record.url?scp=85051141581&partnerID=8YFLogxK

U2 - 10.1038/s41561-018-0199-0

DO - 10.1038/s41561-018-0199-0

M3 - Article

JO - Nature Geoscience

JF - Nature Geoscience

SN - 1752-0894

ER -