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  Sustained increases in atmospheric oxygen and marine productivity in the Neoproterozoic and Palaeozoic eras

Stockey, R. G., Cole, D. B., Farrell, U. C., Agić, H., Boag, T. H., Brocks, J. J., Canfield, D. E., Cheng, M., Crockford, P. W., Cui, H., Dahl, T. W., Del Mouro, L., Dewing, K., Dornbos, S. Q., Emmings, J. F., Gaines, R. R., Gibson, T. M., Gill, B. C., Gilleaudeau, G. J., Goldberg, K., Guilbaud, R., Halverson, G., Hammarlund, E. U., Hantsoo, K., Henderson, M. A., Henderson, C. M., Hodgskiss, M. S. W., Jarrett, A. J. M., Johnston, D. T., Kabanov, P., Kimmig, J., Knoll, A. H., Kunzmann, M., LeRoy, M. A., Li, C., Loydell, D. K., Macdonald, F. A., Magnall, J. M., Mills, N. T., Och, L. M., O’Connell, B., Pagès, A., Peters, S. E., Porter, S. M., Poulton, S. W., Ritzer, S. R., Rooney, A. D., Schoepfer, S., Smith, E. F., Strauss, J. V., Uhlein, G. J., White, T., Wood, R. A., Woltz, C. R., Yurchenko, I., Planavsky, N. J., Sperling, E. A. (2024): Sustained increases in atmospheric oxygen and marine productivity in the Neoproterozoic and Palaeozoic eras. - Nature Geoscience, 17, 667-674.
https://doi.org/10.1038/s41561-024-01479-1

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This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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 Creators:
Stockey, Richard G.1, Author
Cole, Devon B.1, Author
Farrell, Una C.1, Author
Agić, Heda1, Author
Boag, Thomas H.1, Author
Brocks, Jochen J.1, Author
Canfield, Don E.1, Author
Cheng, Meng1, Author
Crockford, Peter W.1, Author
Cui, Huan1, Author
Dahl, Tais W.1, Author
Del Mouro, Lucas1, Author
Dewing, Keith1, Author
Dornbos, Stephen Q.1, Author
Emmings, Joseph F.1, Author
Gaines, Robert R.1, Author
Gibson, Timothy M.1, Author
Gill, Benjamin C.1, Author
Gilleaudeau, Geoffrey J.1, Author
Goldberg, Karin1, Author
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Affiliations:
1External Organizations, ou_persistent22              
23.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146040              

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 Abstract: A geologically rapid Neoproterozoic oxygenation event is commonly linked to the appearance of marine animal groups in the fossil record. However, there is still debate about what evidence from the sedimentary geochemical record—if any—provides strong support for a persistent shift in surface oxygen immediately preceding the rise of animals. We present statistical learning analyses of a large dataset of geochemical data and associated geological context from the Neoproterozoic and Palaeozoic sedimentary record and then use Earth system modelling to link trends in redox-sensitive trace metal and organic carbon concentrations to the oxygenation of Earth’s oceans and atmosphere. We do not find evidence for the wholesale oxygenation of Earth’s oceans in the late Neoproterozoic era. We do, however, reconstruct a moderate long-term increase in atmospheric oxygen and marine productivity. These changes to the Earth system would have increased dissolved oxygen and food supply in shallow-water habitats during the broad interval of geologic time in which the major animal groups first radiated. This approach provides some of the most direct evidence for potential physiological drivers of the Cambrian radiation, while highlighting the importance of later Palaeozoic oxygenation in the evolution of the modern Earth system.

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Language(s): eng - English
 Dates: 2024-07-022024
 Publication Status: Finally published
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 Rev. Type: -
 Identifiers: DOI: 10.1038/s41561-024-01479-1
GFZPOF: p4 T2 Ocean and Cryosphere
OATYPE: Hybrid Open Access
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Title: Nature Geoscience
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: 17 Sequence Number: - Start / End Page: 667 - 674 Identifier: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals355
Publisher: Springer Nature