The role of temperature in the initiation of the end-Triassic mass extinction

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The role of temperature in the initiation of the end-Triassic mass extinction. / Petryshyn, Victoria A.; Greene, Sarah; Farnsworth, Alex; Lunt, Daniel J.; Kelley, Anne; Gammariello, Robert; Ibarra, Yadira; Bottjer, David J.; Tripati, Aradhna; Corsetti, Frank A.

In: Earth Science Reviews, 11.07.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

Petryshyn, VA, Greene, S, Farnsworth, A, Lunt, DJ, Kelley, A, Gammariello, R, Ibarra, Y, Bottjer, DJ, Tripati, A & Corsetti, FA 2020, 'The role of temperature in the initiation of the end-Triassic mass extinction', Earth Science Reviews. https://doi.org/10.1016/j.earscirev.2020.103266

APA

Petryshyn, V. A., Greene, S., Farnsworth, A., Lunt, D. J., Kelley, A., Gammariello, R., Ibarra, Y., Bottjer, D. J., Tripati, A., & Corsetti, F. A. (2020). The role of temperature in the initiation of the end-Triassic mass extinction. Earth Science Reviews, [103266]. https://doi.org/10.1016/j.earscirev.2020.103266

Vancouver

Author

Petryshyn, Victoria A. ; Greene, Sarah ; Farnsworth, Alex ; Lunt, Daniel J. ; Kelley, Anne ; Gammariello, Robert ; Ibarra, Yadira ; Bottjer, David J. ; Tripati, Aradhna ; Corsetti, Frank A. / The role of temperature in the initiation of the end-Triassic mass extinction. In: Earth Science Reviews. 2020.

Bibtex

@article{2395a18bd7904c9e8c434ea845c2888b,
title = "The role of temperature in the initiation of the end-Triassic mass extinction",
abstract = "The end-Triassic mass extinction coincided with the eruption of the Central Atlantic Magmatic Province, a large igneous province responsible for the massive atmospheric input of potentially climate-altering volatile compounds that is associated with a sharp rise in atmospheric CO2. The extinction mechanism is debated, but both short-term cooling (~10s of years) related to sulfur aerosols and longer-term warming (10,000 yrs) related to CO2 emissions—essentially opposite hypotheses—are suggested triggers. Until now, no temperature records spanning this crucial interval were available to provide a baseline or to differentiate between hypothesized mechanisms. Here, we use clumped-isotope paleothermometry of shallow marine microbialites coupled with climate modeling to reconstruct ocean temperature at the extinction horizon. We find mild to warm ocean temperatures during the extinction event and evidence for repeated temperature swings of ~16 °C, which we interpret as a signature of strong seasonality. These results constitute the oldest non-biomineralized marine seasonal temperature record. We resolve no apparent evidence for short-term cooling or initial warming across the 1-80kyr of the extinction event our record captures, implying that the initial onset of the biodiversity crisis may necessitate another mechanism.",
keywords = "End-Triassic extinction, clumped isotopes, Triassic-Jurassic boundary;, microbialite, climate model, paleoclimate",
author = "Petryshyn, {Victoria A.} and Sarah Greene and Alex Farnsworth and Lunt, {Daniel J.} and Anne Kelley and Robert Gammariello and Yadira Ibarra and Bottjer, {David J.} and Aradhna Tripati and Corsetti, {Frank A.}",
year = "2020",
month = jul,
day = "11",
doi = "10.1016/j.earscirev.2020.103266",
language = "English",
journal = "Earth Science Reviews",
issn = "0012-8252",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The role of temperature in the initiation of the end-Triassic mass extinction

AU - Petryshyn, Victoria A.

AU - Greene, Sarah

AU - Farnsworth, Alex

AU - Lunt, Daniel J.

AU - Kelley, Anne

AU - Gammariello, Robert

AU - Ibarra, Yadira

AU - Bottjer, David J.

AU - Tripati, Aradhna

AU - Corsetti, Frank A.

PY - 2020/7/11

Y1 - 2020/7/11

N2 - The end-Triassic mass extinction coincided with the eruption of the Central Atlantic Magmatic Province, a large igneous province responsible for the massive atmospheric input of potentially climate-altering volatile compounds that is associated with a sharp rise in atmospheric CO2. The extinction mechanism is debated, but both short-term cooling (~10s of years) related to sulfur aerosols and longer-term warming (10,000 yrs) related to CO2 emissions—essentially opposite hypotheses—are suggested triggers. Until now, no temperature records spanning this crucial interval were available to provide a baseline or to differentiate between hypothesized mechanisms. Here, we use clumped-isotope paleothermometry of shallow marine microbialites coupled with climate modeling to reconstruct ocean temperature at the extinction horizon. We find mild to warm ocean temperatures during the extinction event and evidence for repeated temperature swings of ~16 °C, which we interpret as a signature of strong seasonality. These results constitute the oldest non-biomineralized marine seasonal temperature record. We resolve no apparent evidence for short-term cooling or initial warming across the 1-80kyr of the extinction event our record captures, implying that the initial onset of the biodiversity crisis may necessitate another mechanism.

AB - The end-Triassic mass extinction coincided with the eruption of the Central Atlantic Magmatic Province, a large igneous province responsible for the massive atmospheric input of potentially climate-altering volatile compounds that is associated with a sharp rise in atmospheric CO2. The extinction mechanism is debated, but both short-term cooling (~10s of years) related to sulfur aerosols and longer-term warming (10,000 yrs) related to CO2 emissions—essentially opposite hypotheses—are suggested triggers. Until now, no temperature records spanning this crucial interval were available to provide a baseline or to differentiate between hypothesized mechanisms. Here, we use clumped-isotope paleothermometry of shallow marine microbialites coupled with climate modeling to reconstruct ocean temperature at the extinction horizon. We find mild to warm ocean temperatures during the extinction event and evidence for repeated temperature swings of ~16 °C, which we interpret as a signature of strong seasonality. These results constitute the oldest non-biomineralized marine seasonal temperature record. We resolve no apparent evidence for short-term cooling or initial warming across the 1-80kyr of the extinction event our record captures, implying that the initial onset of the biodiversity crisis may necessitate another mechanism.

KW - End-Triassic extinction

KW - clumped isotopes

KW - Triassic-Jurassic boundary;

KW - microbialite

KW - climate model

KW - paleoclimate

U2 - 10.1016/j.earscirev.2020.103266

DO - 10.1016/j.earscirev.2020.103266

M3 - Article

JO - Earth Science Reviews

JF - Earth Science Reviews

SN - 0012-8252

M1 - 103266

ER -