Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary. / Steinthorsdottir, Margret; Porter, Amanda; Holohan, Aidan; Kunzmann, Lutz; Collinson, Margaret; McElwain, Jennifer.

In: Climate of the Past, Vol. 12, No. 2, 25.02.2016, p. 439-454.

Research output: Contribution to journalArticlepeer-review

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Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary. / Steinthorsdottir, Margret; Porter, Amanda; Holohan, Aidan; Kunzmann, Lutz; Collinson, Margaret; McElwain, Jennifer.

In: Climate of the Past, Vol. 12, No. 2, 25.02.2016, p. 439-454.

Research output: Contribution to journalArticlepeer-review

Harvard

Steinthorsdottir, M, Porter, A, Holohan, A, Kunzmann, L, Collinson, M & McElwain, J 2016, 'Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary', Climate of the Past, vol. 12, no. 2, pp. 439-454. https://doi.org/10.5194/cp-12-439-2016

APA

Steinthorsdottir, M., Porter, A., Holohan, A., Kunzmann, L., Collinson, M., & McElwain, J. (2016). Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary. Climate of the Past, 12(2), 439-454. https://doi.org/10.5194/cp-12-439-2016

Vancouver

Steinthorsdottir M, Porter A, Holohan A, Kunzmann L, Collinson M, McElwain J. Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary. Climate of the Past. 2016 Feb 25;12(2):439-454. https://doi.org/10.5194/cp-12-439-2016

Author

Steinthorsdottir, Margret ; Porter, Amanda ; Holohan, Aidan ; Kunzmann, Lutz ; Collinson, Margaret ; McElwain, Jennifer. / Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary. In: Climate of the Past. 2016 ; Vol. 12, No. 2. pp. 439-454.

BibTeX

@article{248beb5a93e544cdaa17ceacea0c3115,
title = "Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary",
abstract = "A unique stratigraphic sequence of fossil leaves of Eotrigonobalanus furcinervis (extinct trees of the beech family, Fagaceae) from central Germany has been used to derive an atmospheric pCO2 record with multiple data points spanning the late middle to late Eocene, two sampling levels which may be earliest Oligocene, and two samples from later in the Oligocene. Using the inverse relationship between the density of stomata and pCO2, we show that pCO2 decreased continuously from the late middle to late Eocene, reaching a relatively stable low value before the end of the Eocene. Based on the subsequent records, pCO2 in parts of the Oligocene was similar to latest Eocene values. These results suggest that a decrease in pCO2 preceded the large shift in marine oxygen isotope records that characterizes the Eocene–Oligocene transition and that when a certain threshold of pCO2 change was crossed, the cumulative effects of this and other factors resulted in rapid temperature decline, ice build up on Antarctica and hence a change of climate mode.",
author = "Margret Steinthorsdottir and Amanda Porter and Aidan Holohan and Lutz Kunzmann and Margaret Collinson and Jennifer McElwain",
year = "2016",
month = feb,
day = "25",
doi = "10.5194/cp-12-439-2016",
language = "English",
volume = "12",
pages = "439--454",
journal = "Climate of the Past",
issn = "1814-9324",
publisher = "European Geosciences Union",
number = "2",

}

RIS

TY - JOUR

T1 - Fossil plant stomata indicate decreasing atmospheric CO2 prior to the Eocene-Oligocene boundary

AU - Steinthorsdottir, Margret

AU - Porter, Amanda

AU - Holohan, Aidan

AU - Kunzmann, Lutz

AU - Collinson, Margaret

AU - McElwain, Jennifer

PY - 2016/2/25

Y1 - 2016/2/25

N2 - A unique stratigraphic sequence of fossil leaves of Eotrigonobalanus furcinervis (extinct trees of the beech family, Fagaceae) from central Germany has been used to derive an atmospheric pCO2 record with multiple data points spanning the late middle to late Eocene, two sampling levels which may be earliest Oligocene, and two samples from later in the Oligocene. Using the inverse relationship between the density of stomata and pCO2, we show that pCO2 decreased continuously from the late middle to late Eocene, reaching a relatively stable low value before the end of the Eocene. Based on the subsequent records, pCO2 in parts of the Oligocene was similar to latest Eocene values. These results suggest that a decrease in pCO2 preceded the large shift in marine oxygen isotope records that characterizes the Eocene–Oligocene transition and that when a certain threshold of pCO2 change was crossed, the cumulative effects of this and other factors resulted in rapid temperature decline, ice build up on Antarctica and hence a change of climate mode.

AB - A unique stratigraphic sequence of fossil leaves of Eotrigonobalanus furcinervis (extinct trees of the beech family, Fagaceae) from central Germany has been used to derive an atmospheric pCO2 record with multiple data points spanning the late middle to late Eocene, two sampling levels which may be earliest Oligocene, and two samples from later in the Oligocene. Using the inverse relationship between the density of stomata and pCO2, we show that pCO2 decreased continuously from the late middle to late Eocene, reaching a relatively stable low value before the end of the Eocene. Based on the subsequent records, pCO2 in parts of the Oligocene was similar to latest Eocene values. These results suggest that a decrease in pCO2 preceded the large shift in marine oxygen isotope records that characterizes the Eocene–Oligocene transition and that when a certain threshold of pCO2 change was crossed, the cumulative effects of this and other factors resulted in rapid temperature decline, ice build up on Antarctica and hence a change of climate mode.

U2 - 10.5194/cp-12-439-2016

DO - 10.5194/cp-12-439-2016

M3 - Article

VL - 12

SP - 439

EP - 454

JO - Climate of the Past

JF - Climate of the Past

SN - 1814-9324

IS - 2

ER -