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DOI10.1038/s41467-021-24141-5
Quantitative comparison of geological data and model simulations constrains early Cambrian geography and climate
Wong Hearing T.W.; Pohl A.; Williams M.; Donnadieu Y.; Harvey T.H.P.; Scotese C.R.; Sepulchre P.; Franc A.; Vandenbroucke T.R.A.
发表日期2021
ISSN2041-1723
卷号12期号:1
英文摘要Marine ecosystems with a diverse range of animal groups became established during the early Cambrian (~541 to ~509 Ma). However, Earth’s environmental parameters and palaeogeography in this interval of major macro-evolutionary change remain poorly constrained. Here, we test contrasting hypotheses of continental configuration and climate that have profound implications for interpreting Cambrian environmental proxies. We integrate general circulation models and geological observations to test three variants of the ‘Antarctocentric’ paradigm, with a southern polar continent, and an ‘equatorial’ configuration that lacks polar continents. This quantitative framework can be applied to other deep-time intervals when environmental proxy data are scarce. Our results show that the Antarctocentric palaeogeographic paradigm can reconcile geological data and simulated Cambrian climate. Our analyses indicate a greenhouse climate during the Cambrian animal radiation, with mean annual sea-surface temperatures between ~9 °C to ~19 °C and ~30 °C to ~38 °C for polar and tropical palaeolatitudes, respectively. © 2021, The Author(s).
语种英语
scopus关键词Cambrian; comparative study; environmental factor; marine ecosystem; paleogeography; proxy climate record; quantitative analysis; sea surface temperature; article; climate; geography; greenhouse; Lower Cambrian; sea surface temperature; simulation
来源期刊Nature Communications
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/250665
作者单位Department of Geology, Ghent University, Ghent, Belgium; School of Geography, Geology and the Environment, University of Leicester, Leicester, United Kingdom; Department of Earth and Planetary Sciences, University of California, Riverside, CA, United States; Biogéosciences, UMR 6282, UBFC/CNRS, Université Bourgogne Franche-Comté, Dijon, France; Aix-Marseille Univ, CNRS, IRD, INRA, Coll. France, CEREGE, Aix-en-Provence, France; Department of Earth & Planetary Sciences, Northwestern University, Evanston, IL, United States; Laboratoire des Sciences du Climat et de l’Environnement, LSCE/IPSL, CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France; INRAE, University of Bordeaux, BIOGECO, Cestas, France; Inria Bordeaux-Sud-Ouest, Pleiade, Talence, France
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Wong Hearing T.W.,Pohl A.,Williams M.,et al. Quantitative comparison of geological data and model simulations constrains early Cambrian geography and climate[J],2021,12(1).
APA Wong Hearing T.W..,Pohl A..,Williams M..,Donnadieu Y..,Harvey T.H.P..,...&Vandenbroucke T.R.A..(2021).Quantitative comparison of geological data and model simulations constrains early Cambrian geography and climate.Nature Communications,12(1).
MLA Wong Hearing T.W.,et al."Quantitative comparison of geological data and model simulations constrains early Cambrian geography and climate".Nature Communications 12.1(2021).
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