Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry

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Standard

Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry. / Vickers, Madeleine L.; Fernandez, Alvaro; Hesselbo, Stephen P.; Price, Gregory D.; Bernasconi, Stefano M.; Lode, Stefanie; Ullmann, Clemens V.; Thibault, Nicolas; Hougaard, Iben Winther; Korte, Christoph.

I: Earth and Planetary Science Letters, Bind 546, 116401, 15.09.2020.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Vickers, ML, Fernandez, A, Hesselbo, SP, Price, GD, Bernasconi, SM, Lode, S, Ullmann, CV, Thibault, N, Hougaard, IW & Korte, C 2020, 'Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry', Earth and Planetary Science Letters, bind 546, 116401. https://doi.org/10.1016/j.epsl.2020.116401

APA

Vickers, M. L., Fernandez, A., Hesselbo, S. P., Price, G. D., Bernasconi, S. M., Lode, S., Ullmann, C. V., Thibault, N., Hougaard, I. W., & Korte, C. (2020). Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry. Earth and Planetary Science Letters, 546, [116401]. https://doi.org/10.1016/j.epsl.2020.116401

Vancouver

Vickers ML, Fernandez A, Hesselbo SP, Price GD, Bernasconi SM, Lode S o.a. Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry. Earth and Planetary Science Letters. 2020 sep. 15;546. 116401. https://doi.org/10.1016/j.epsl.2020.116401

Author

Vickers, Madeleine L. ; Fernandez, Alvaro ; Hesselbo, Stephen P. ; Price, Gregory D. ; Bernasconi, Stefano M. ; Lode, Stefanie ; Ullmann, Clemens V. ; Thibault, Nicolas ; Hougaard, Iben Winther ; Korte, Christoph. / Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry. I: Earth and Planetary Science Letters. 2020 ; Bind 546.

Bibtex

@article{f03a40dc3fb94b73ae539e40315ac35b,
title = "Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry",
abstract = "Clumped isotope based temperature estimates from exceptionally well-preserved belemnites from Staffin Bay (Isle of Skye, Scotland) reveal that seawater temperatures throughout the Middle-Late Jurassic were significantly warmer than previously reconstructed by conventional oxygen isotope thermometry. We demonstrate here that this underestimation by oxygen isotope thermometry was likely due to a) using the incorrect calcite thermometry equation for belemnite temperature reconstructions and b) by incorrectly estimating the seawater δ18O (δ18Osw) for the Hebrides Basin. Our data suggests that the fractionation factor for oxygen isotopes in belemnites from seawater was closer to that of slow-growing abiogenic calcites than that of other marine calcifying organisms. Our clumped isotope temperatures are used to reconstruct δ18Osw trends across the Callovian–Kimmeridgian in the Hebrides Basin. The δ18Osw varied significantly in the Hebrides Basin throughout this interval, possibly as a result of changing currents through the Laurasian seaway. Trends in temperature and δ18Osw are compared to published palaeoceanographic studies to shed light on changing palaeoceanography in the Tethyan and Boreal realms throughout the Middle–Late Jurassic.",
keywords = "belemnites, clumped isotopes, Jurassic palaeoclimate, palaeoceanography",
author = "Vickers, {Madeleine L.} and Alvaro Fernandez and Hesselbo, {Stephen P.} and Price, {Gregory D.} and Bernasconi, {Stefano M.} and Stefanie Lode and Ullmann, {Clemens V.} and Nicolas Thibault and Hougaard, {Iben Winther} and Christoph Korte",
year = "2020",
month = sep,
day = "15",
doi = "10.1016/j.epsl.2020.116401",
language = "English",
volume = "546",
journal = "Earth and Planetary Science Letters",
issn = "0012-821X",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Unravelling Middle to Late Jurassic palaeoceanographic and palaeoclimatic signals in the Hebrides Basin using belemnite clumped isotope thermometry

AU - Vickers, Madeleine L.

AU - Fernandez, Alvaro

AU - Hesselbo, Stephen P.

AU - Price, Gregory D.

AU - Bernasconi, Stefano M.

AU - Lode, Stefanie

AU - Ullmann, Clemens V.

AU - Thibault, Nicolas

AU - Hougaard, Iben Winther

AU - Korte, Christoph

PY - 2020/9/15

Y1 - 2020/9/15

N2 - Clumped isotope based temperature estimates from exceptionally well-preserved belemnites from Staffin Bay (Isle of Skye, Scotland) reveal that seawater temperatures throughout the Middle-Late Jurassic were significantly warmer than previously reconstructed by conventional oxygen isotope thermometry. We demonstrate here that this underestimation by oxygen isotope thermometry was likely due to a) using the incorrect calcite thermometry equation for belemnite temperature reconstructions and b) by incorrectly estimating the seawater δ18O (δ18Osw) for the Hebrides Basin. Our data suggests that the fractionation factor for oxygen isotopes in belemnites from seawater was closer to that of slow-growing abiogenic calcites than that of other marine calcifying organisms. Our clumped isotope temperatures are used to reconstruct δ18Osw trends across the Callovian–Kimmeridgian in the Hebrides Basin. The δ18Osw varied significantly in the Hebrides Basin throughout this interval, possibly as a result of changing currents through the Laurasian seaway. Trends in temperature and δ18Osw are compared to published palaeoceanographic studies to shed light on changing palaeoceanography in the Tethyan and Boreal realms throughout the Middle–Late Jurassic.

AB - Clumped isotope based temperature estimates from exceptionally well-preserved belemnites from Staffin Bay (Isle of Skye, Scotland) reveal that seawater temperatures throughout the Middle-Late Jurassic were significantly warmer than previously reconstructed by conventional oxygen isotope thermometry. We demonstrate here that this underestimation by oxygen isotope thermometry was likely due to a) using the incorrect calcite thermometry equation for belemnite temperature reconstructions and b) by incorrectly estimating the seawater δ18O (δ18Osw) for the Hebrides Basin. Our data suggests that the fractionation factor for oxygen isotopes in belemnites from seawater was closer to that of slow-growing abiogenic calcites than that of other marine calcifying organisms. Our clumped isotope temperatures are used to reconstruct δ18Osw trends across the Callovian–Kimmeridgian in the Hebrides Basin. The δ18Osw varied significantly in the Hebrides Basin throughout this interval, possibly as a result of changing currents through the Laurasian seaway. Trends in temperature and δ18Osw are compared to published palaeoceanographic studies to shed light on changing palaeoceanography in the Tethyan and Boreal realms throughout the Middle–Late Jurassic.

KW - belemnites

KW - clumped isotopes

KW - Jurassic palaeoclimate

KW - palaeoceanography

U2 - 10.1016/j.epsl.2020.116401

DO - 10.1016/j.epsl.2020.116401

M3 - Journal article

AN - SCOPUS:85087486548

VL - 546

JO - Earth and Planetary Science Letters

JF - Earth and Planetary Science Letters

SN - 0012-821X

M1 - 116401

ER -

ID: 249058327