Toward a Cenozoic history of atmospheric CO2

Hönisch, Bärbel; Royer, Dana L.; Breecker, Daniel O.; Polissar, Pratigya J.; Bowen, Gabriel J.; Henehan, Michael; Cui, Ying; Steinthorsdottir, Margret; McElwain, Jennifer C.; Kohn, Matthew J.; Pearson, Ann; Phelps, Samuel R.; Uno, Kevin T.; Ridgwell, Andy; Anagnostou, Eleni; Austermann, Jacqueline; Badger, Marcus P. S.; Barclay, Richard S.; Bijl, Peter K.; Chalk, Thomas B.; Scotese, Christopher R.; de la Vega, Elwyn; DeConto, Robert M.; Dyez, Kelsey A.; Ferrini, Vicki; Franks, Peter J.; Giulivi, Claudia F.; Gutjahr, Marcus; Harper, Dustin T.; Haynes, Laura L.; Huber, Matthew; Snell, Kathryn E.; Keisling, Benjamin A.; Konrad, Wilfried; Lowenstein, Tim K.; Malinverno, Alberto; Guillermic, Maxence; Mejía, Luz María; Milligan, Joseph N.; Morton, John J.; Nordt, Lee; Whiteford, Ross; Roth-Nebelsick, Anita; Rugenstein, Jeremy K. C.; Schaller, Morgan F.; Sheldon, Nathan D.; Sosdian, Sindia; Wilkes, Elise B.; Witkowski, Caitlyn R.; Zhang, Yi Ge; Anderson, Lloyd; Beerling, David J.; Bolton, Clara; Cerling, Thure E.; Cotton, Jennifer M.; Da , Jiawei; Ekart, Douglas D.; Foster, Gavin L.; Greenwood, David R.; Hyland, Ethan G.; Jagniecki, Elliot A.; Jasper, John P.; Kowalczyk, Jennifer B.; Kunzmann, Lutz; Kürschner, Wolfram M.; Lawrence, Charles E.; Lear, Caroline H.; Martínez-Botí, Miguel A.; Maxbauer, Daniel P.; Montagna, Paolo; Naafs, B. David A.; Rae, James W. B.; Raitzsch, Markus; Retallack, Gregory J.; Ring, Simon J.; Seki, Osamu; Sepúlveda, Julio; Sinha, Ashish; Tesfamichael, Tekie F.; Tripati, Aradhna; van der Burgh, Johan; Yu, Jimin; Zachos, James C.; Zhang, Laiming

doi:10.1126/science.adi5177

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Toward a Cenozoic history of atmospheric CO2

Authors

Hönisch, Bärbel
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Royer, Dana L.
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Breecker, Daniel O.
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Polissar, Pratigya J.
External Organizations;

Bowen, Gabriel J.
External Organizations;

/persons/resource/henehan

Henehan, Michael
3.3 Earth Surface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Cui, Ying
External Organizations;

Steinthorsdottir, Margret
External Organizations;

McElwain, Jennifer C.
External Organizations;

Kohn, Matthew J.
External Organizations;

Pearson, Ann
External Organizations;

Phelps, Samuel R.
External Organizations;

Uno, Kevin T.
External Organizations;

Ridgwell, Andy
External Organizations;

Anagnostou, Eleni
External Organizations;

Austermann, Jacqueline
External Organizations;

Badger, Marcus P. S.
External Organizations;

Barclay, Richard S.
External Organizations;

Bijl, Peter K.
External Organizations;

Chalk, Thomas B.
External Organizations;

Scotese, Christopher R.
External Organizations;

de la Vega, Elwyn
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DeConto, Robert M.
External Organizations;

Dyez, Kelsey A.
External Organizations;

Ferrini, Vicki
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Franks, Peter J.
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Giulivi, Claudia F.
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Gutjahr, Marcus
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Harper, Dustin T.
External Organizations;

Haynes, Laura L.
External Organizations;

Huber, Matthew
External Organizations;

Snell, Kathryn E.
External Organizations;

Keisling, Benjamin A.
External Organizations;

Konrad, Wilfried
External Organizations;

Lowenstein, Tim K.
External Organizations;

Malinverno, Alberto
External Organizations;

Guillermic, Maxence
External Organizations;

Mejía, Luz María
External Organizations;

Milligan, Joseph N.
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Morton, John J.
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Nordt, Lee
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Whiteford, Ross
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Roth-Nebelsick, Anita
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Rugenstein, Jeremy K. C.
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Schaller, Morgan F.
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Sheldon, Nathan D.
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Sosdian, Sindia
External Organizations;

Wilkes, Elise B.
External Organizations;

Witkowski, Caitlyn R.
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Zhang, Yi Ge
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Anderson, Lloyd
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Beerling, David J.
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Bolton, Clara
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Cerling, Thure E.
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Cotton, Jennifer M.
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Da , Jiawei
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Ekart, Douglas D.
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Foster, Gavin L.
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Greenwood, David R.
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Hyland, Ethan G.
External Organizations;

Jagniecki, Elliot A.
External Organizations;

Jasper, John P.
External Organizations;

Kowalczyk, Jennifer B.
External Organizations;

Kunzmann, Lutz
External Organizations;

Kürschner, Wolfram M.
External Organizations;

Lawrence, Charles E.
External Organizations;

Lear, Caroline H.
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Martínez-Botí, Miguel A.
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Maxbauer, Daniel P.
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Montagna, Paolo
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Naafs, B. David A.
External Organizations;

Rae, James W. B.
External Organizations;

Raitzsch, Markus
External Organizations;

Retallack, Gregory J.
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/persons/resource/s_ring

Ring, Simon J.
3.3 Earth Surface Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Seki, Osamu
External Organizations;

Sepúlveda, Julio
External Organizations;

Sinha, Ashish
External Organizations;

Tesfamichael, Tekie F.
External Organizations;

Tripati, Aradhna
External Organizations;

van der Burgh, Johan
External Organizations;

Yu, Jimin
External Organizations;

Zachos, James C.
External Organizations;

Zhang, Laiming
External Organizations;

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5024800.pdf
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Citation

Hönisch, B., Royer, D. L., Breecker, D. O., Polissar, P. J., Bowen, G. J., Henehan, M., Cui, Y., Steinthorsdottir, M., McElwain, J. C., Kohn, M. J., Pearson, A., Phelps, S. R., Uno, K. T., Ridgwell, A., Anagnostou, E., Austermann, J., Badger, M. P. S., Barclay, R. S., Bijl, P. K., Chalk, T. B., Scotese, C. R., de la Vega, E., DeConto, R. M., Dyez, K. A., Ferrini, V., Franks, P. J., Giulivi, C. F., Gutjahr, M., Harper, D. T., Haynes, L. L., Huber, M., Snell, K. E., Keisling, B. A., Konrad, W., Lowenstein, T. K., Malinverno, A., Guillermic, M., Mejía, L. M., Milligan, J. N., Morton, J. J., Nordt, L., Whiteford, R., Roth-Nebelsick, A., Rugenstein, J. K. C., Schaller, M. F., Sheldon, N. D., Sosdian, S., Wilkes, E. B., Witkowski, C. R., Zhang, Y. G., Anderson, L., Beerling, D. J., Bolton, C., Cerling, T. E., Cotton, J. M., Da, J., Ekart, D. D., Foster, G. L., Greenwood, D. R., Hyland, E. G., Jagniecki, E. A., Jasper, J. P., Kowalczyk, J. B., Kunzmann, L., Kürschner, W. M., Lawrence, C. E., Lear, C. H., Martínez-Botí, M. A., Maxbauer, D. P., Montagna, P., Naafs, B. D. A., Rae, J. W. B., Raitzsch, M., Retallack, G. J., Ring, S. J., Seki, O., Sepúlveda, J., Sinha, A., Tesfamichael, T. F., Tripati, A., van der Burgh, J., Yu, J., Zachos, J. C., Zhang, L. (2023): Toward a Cenozoic history of atmospheric CO2. - Science, 382, 6675.
https://doi.org/10.1126/science.adi5177

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5024800

Abstract

The geological record encodes the relationship between climate and atmospheric carbon dioxide (CO2) over long and short timescales, as well as potential drivers of evolutionary transitions. However, reconstructing CO2 beyond direct measurements requires the use of paleoproxies and herein lies the challenge, as proxies differ in their assumptions, degree of understanding, and even reconstructed values. In this study, we critically evaluated, categorized, and integrated available proxies to create a high-fidelity and transparently constructed atmospheric CO2 record spanning the past 66 million years. This newly constructed record provides clearer evidence for higher Earth system sensitivity in the past and for the role of CO2 thresholds in biological and cryosphere evolution.