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Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records

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Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records. / Martínez-Botí, Miguel A.; Foster, Gavin L; Chalk, Tom B.; Rohling, Eelco J; Sexton, Philip F.; Lunt, Dan J; Pancost, Rich D; Badger, Marcus P S; Schmidt, Daniela N.

In: Nature, Vol. 518, No. 7537, 05.02.2015, p. 49-54.

Research output: Contribution to journalArticle

Harvard

Martínez-Botí, MA, Foster, GL, Chalk, TB, Rohling, EJ, Sexton, PF, Lunt, DJ, Pancost, RD, Badger, MPS & Schmidt, DN 2015, 'Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records', Nature, vol. 518, no. 7537, pp. 49-54. https://doi.org/10.1038/nature14145

APA

Martínez-Botí, M. A., Foster, G. L., Chalk, T. B., Rohling, E. J., Sexton, P. F., Lunt, D. J., ... Schmidt, D. N. (2015). Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records. Nature, 518(7537), 49-54. https://doi.org/10.1038/nature14145

Vancouver

Martínez-Botí MA, Foster GL, Chalk TB, Rohling EJ, Sexton PF, Lunt DJ et al. Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records. Nature. 2015 Feb 5;518(7537):49-54. https://doi.org/10.1038/nature14145

Author

Martínez-Botí, Miguel A. ; Foster, Gavin L ; Chalk, Tom B. ; Rohling, Eelco J ; Sexton, Philip F. ; Lunt, Dan J ; Pancost, Rich D ; Badger, Marcus P S ; Schmidt, Daniela N. / Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records. In: Nature. 2015 ; Vol. 518, No. 7537. pp. 49-54.

Bibtex

@article{064269d22b484c979232dd9c3ed0f1a2,
title = "Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records",
abstract = "Theory and climate modelling suggest that the sensitivity of Earth’s climate to changes in radiative forcing could depend on the background climate. However, palaeoclimate data have thus far been insufficient to provide a conclusive test of this prediction. Here we present atmospheric carbon dioxide (CO2) reconstructions based on multi-site boron-isotope records from the late Pliocene epoch (3.3 to 2.3 million years ago). We find that Earth’s climate sensitivity to CO2-based radiative forcing (Earth system sensitivity) was half as strong during the warm Pliocene as during the cold late Pleistocene epoch (0.8 to 0.01 million years ago). We attribute this difference to the radiative impacts of continental ice-volume changes (the ice–albedo feedback) during the late Pleistocene, because equilibrium climate sensitivity is identical for the two intervals when we account for such impacts using sea-level reconstructions. We conclude that, on a global scale, no unexpected climate feedbacks operated during the warm Pliocene, and that predictions of equilibrium climate sensitivity (excluding long-term ice-albedo feedbacks) for our Pliocene-like future (with CO2 levels up to maximum Pliocene levels of 450 parts per million) are well described by the currently accepted range of an increase of 1.5 K to 4.5 K per doubling of CO2.",
keywords = "Palaeoclimate",
author = "Mart{\'i}nez-Bot{\'i}, {Miguel A.} and Foster, {Gavin L} and Chalk, {Tom B.} and Rohling, {Eelco J} and Sexton, {Philip F.} and Lunt, {Dan J} and Pancost, {Rich D} and Badger, {Marcus P S} and Schmidt, {Daniela N}",
year = "2015",
month = "2",
day = "5",
doi = "10.1038/nature14145",
language = "English",
volume = "518",
pages = "49--54",
journal = "Nature",
issn = "0028-0836",
publisher = "Springer Nature",
number = "7537",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Plio-Pleistocene climate sensitivity evaluated using high-resolution CO2 records

AU - Martínez-Botí, Miguel A.

AU - Foster, Gavin L

AU - Chalk, Tom B.

AU - Rohling, Eelco J

AU - Sexton, Philip F.

AU - Lunt, Dan J

AU - Pancost, Rich D

AU - Badger, Marcus P S

AU - Schmidt, Daniela N

PY - 2015/2/5

Y1 - 2015/2/5

N2 - Theory and climate modelling suggest that the sensitivity of Earth’s climate to changes in radiative forcing could depend on the background climate. However, palaeoclimate data have thus far been insufficient to provide a conclusive test of this prediction. Here we present atmospheric carbon dioxide (CO2) reconstructions based on multi-site boron-isotope records from the late Pliocene epoch (3.3 to 2.3 million years ago). We find that Earth’s climate sensitivity to CO2-based radiative forcing (Earth system sensitivity) was half as strong during the warm Pliocene as during the cold late Pleistocene epoch (0.8 to 0.01 million years ago). We attribute this difference to the radiative impacts of continental ice-volume changes (the ice–albedo feedback) during the late Pleistocene, because equilibrium climate sensitivity is identical for the two intervals when we account for such impacts using sea-level reconstructions. We conclude that, on a global scale, no unexpected climate feedbacks operated during the warm Pliocene, and that predictions of equilibrium climate sensitivity (excluding long-term ice-albedo feedbacks) for our Pliocene-like future (with CO2 levels up to maximum Pliocene levels of 450 parts per million) are well described by the currently accepted range of an increase of 1.5 K to 4.5 K per doubling of CO2.

AB - Theory and climate modelling suggest that the sensitivity of Earth’s climate to changes in radiative forcing could depend on the background climate. However, palaeoclimate data have thus far been insufficient to provide a conclusive test of this prediction. Here we present atmospheric carbon dioxide (CO2) reconstructions based on multi-site boron-isotope records from the late Pliocene epoch (3.3 to 2.3 million years ago). We find that Earth’s climate sensitivity to CO2-based radiative forcing (Earth system sensitivity) was half as strong during the warm Pliocene as during the cold late Pleistocene epoch (0.8 to 0.01 million years ago). We attribute this difference to the radiative impacts of continental ice-volume changes (the ice–albedo feedback) during the late Pleistocene, because equilibrium climate sensitivity is identical for the two intervals when we account for such impacts using sea-level reconstructions. We conclude that, on a global scale, no unexpected climate feedbacks operated during the warm Pliocene, and that predictions of equilibrium climate sensitivity (excluding long-term ice-albedo feedbacks) for our Pliocene-like future (with CO2 levels up to maximum Pliocene levels of 450 parts per million) are well described by the currently accepted range of an increase of 1.5 K to 4.5 K per doubling of CO2.

KW - Palaeoclimate

U2 - 10.1038/nature14145

DO - 10.1038/nature14145

M3 - Article

VL - 518

SP - 49

EP - 54

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7537

ER -