Toward a Cenozoic history of atmospheric CO 2

Author:

,Hönisch Bärbel12ORCID,Royer Dana L.3ORCID,Breecker Daniel O.4ORCID,Polissar Pratigya J.5ORCID,Bowen Gabriel J.6ORCID,Henehan Michael J.7ORCID,Cui Ying8ORCID,Steinthorsdottir Margret9ORCID,McElwain Jennifer C.10ORCID,Kohn Matthew J.11ORCID,Pearson Ann12ORCID,Phelps Samuel R.13ORCID,Uno Kevin T.2ORCID,Ridgwell Andy14ORCID,Anagnostou Eleni15ORCID,Austermann Jacqueline12,Badger Marcus P. S.16ORCID,Barclay Richard S.17ORCID,Bijl Peter K.18ORCID,Chalk Thomas B.19ORCID,Scotese Christopher R.20ORCID,de la Vega Elwyn21ORCID,DeConto Robert M.22ORCID,Dyez Kelsey A.23ORCID,Ferrini Vicki2ORCID,Franks Peter J.24ORCID,Giulivi Claudia F.2ORCID,Gutjahr Marcus15ORCID,Harper Dustin T.6ORCID,Haynes Laura L.25ORCID,Huber Matthew26ORCID,Snell Kathryn E.27ORCID,Keisling Benjamin A.28ORCID,Konrad Wilfried29ORCID,Lowenstein Tim K.30ORCID,Malinverno Alberto2ORCID,Guillermic Maxence31ORCID,Mejía Luz María32ORCID,Milligan Joseph N.17ORCID,Morton John J.2ORCID,Nordt Lee33ORCID,Whiteford Ross34ORCID,Roth-Nebelsick Anita35,Rugenstein Jeremy K. C.36ORCID,Schaller Morgan F.37ORCID,Sheldon Nathan D.23ORCID,Sosdian Sindia38ORCID,Wilkes Elise B.39ORCID,Witkowski Caitlyn R.7ORCID,Zhang Yi Ge40ORCID,Anderson Lloyd12ORCID,Beerling David J.41ORCID,Bolton Clara19ORCID,Cerling Thure E.6ORCID,Cotton Jennifer M.42,Da Jiawei4ORCID,Ekart Douglas D.43,Foster Gavin L.44ORCID,Greenwood David R.45ORCID,Hyland Ethan G.46ORCID,Jagniecki Elliot A.47ORCID,Jasper John P.48ORCID,Kowalczyk Jennifer B.49ORCID,Kunzmann Lutz50ORCID,Kürschner Wolfram M.51ORCID,Lawrence Charles E.52ORCID,Lear Caroline H.38ORCID,Martínez-Botí Miguel A.4453,Maxbauer Daniel P.54,Montagna Paolo55ORCID,Naafs B. David A.56ORCID,Rae James W. B.34ORCID,Raitzsch Markus57ORCID,Retallack Gregory J.58ORCID,Ring Simon J.59ORCID,Seki Osamu60ORCID,Sepúlveda Julio61ORCID,Sinha Ashish62ORCID,Tesfamichael Tekie F.63,Tripati Aradhna31ORCID,van der Burgh Johan64,Yu Jimin65ORCID,Zachos James C.66ORCID,Zhang Laiming67ORCID

Affiliation:

1. Department of Earth and Environmental Sciences of Columbia University, New York, NY, USA.

2. Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, USA.

3. Department of Earth and Environmental Sciences, Wesleyan University, Middletown, CT, USA.

4. Department of Earth and Planetary Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX, USA.

5. Department of Ocean Sciences, University of California, Santa Cruz, Santa Cruz, CA, USA.

6. Department of Geology and Geophysics, University of Utah, Salt Lake City, UT, USA.

7. School of Earth Sciences, University of Bristol, Bristol, UK.

8. Department of Earth and Environmental Studies, Montclair State University, Montclair, NJ, USA.

9. Swedish Museum of Natural History, Stockholm, Sweden.

10. Department of Botany, Trinity College Dublin, Dublin, Ireland.

11. Department of Geosciences, Boise State University, Boise, ID, USA.

12. Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA.

13. CIM Group, New York, NY, USA.

14. Earth and Planetary Sciences Department, University of California, Riverside, Riverside, CA, USA.

15. GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany.

16. School of Environment, Earth and Ecosystem Sciences, The Open University, Milton Keynes, UK.

17. Department of Paleobiology, Smithsonian Institution, Washington, DC, USA.

18. Department of Earth Sciences, Utrecht University, Utrecht, Netherlands.

19. Aix Marseille University, CNRS, IRD, INRAE, CEREGE, Aix-en-Provence, France.

20. Department of Earth and Planetary Sciences, Northwestern University, Evanston, IL, USA.

21. School of Geography, Archaeology and Irish Studies, University of Galway, Ollscoil na Gaillimhe, Galway, Ireland.

22. Department of Earth, Geographic, and Climate Sciences, University of Massachusetts, Amherst, MA, USA.

23. Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI, USA.

24. School of Life and Environmental Sciences, The University of Sydney, Sydney, Australia.

25. Department of Earth Science and Geography, Vassar College, Poughkeepsie, NY, USA.

26. Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN, USA.

27. Department of Geological Sciences, University of Colorado Boulder, Boulder, CO, USA.

28. University of Texas Institute for Geophysics, Austin, TX, USA.

29. Department of Geosciences, University of Tübingen, Tübingen, Germany.

30. Department of Earth Sciences, Binghamton University, Binghamton, NY, USA.

31. Department of Earth, Planetary and Space Sciences, University of California, Los Angeles, Los Angeles, CA, USA.

32. MARUM, University of Bremen, Bremen, Germany.

33. Department of Geosciences, Baylor University, Waco, TX, USA.

34. School of Earth and Environmental Sciences, University of St Andrews, St Andrews, UK.

35. State Museum of Natural History, Stuttgart, Germany.

36. Department of Geosciences, Colorado State University, Fort Collins, CO, USA.

37. Department of Earth and Environmental Sciences, Rensselaer Polytechnic Institute, Troy, NY, USA.

38. School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK.

39. Ginkgo Bioworks, Boston, MA, USA.

40. Department of Oceanography, Texas A&M University, College Station, TX, USA.

41. School of Biosciences, University of Sheffield, Sheffield, UK.

42. Department of Geological Science, California State University, Northridge, Northridge, CA, USA.

43. Department of Earth Science, Utah Valley University, Orem, UT, USA.

44. School of Ocean and Earth Science, National Oceanography Centre, University of Southampton, Southampton, UK.

45. Department of Biology, Brandon University, Brandon, Manitoba, Canada.

46. Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC, USA.

47. Utah Geological Survey, Salt Lake City, UT, USA.

48. Nature’s Fingerprint Authentication, Molecular Isotope Technologies, LLC, Niantic, CT, USA.

49. Department of Earth, Environmental and Planetary Sciences, Brown University, Providence, RI, USA.

50. Senckenberg Natural History Collections, Dresden, Germany.

51. Department of Geosciences, University of Oslo, Oslo, Norway.

52. Department of Applied Mathematics, Brown University, Providence, RI, USA.

53. EIT Urban Mobility, Barcelona, Spain.

54. Department of Geology, Carleton College, Northfield, MN, USA.

55. Institute of Polar Sciences–National Research Council, Bologna, Italy.

56. School of Chemistry, University of Bristol, Bristol, UK.

57. Dettmer Group KG, Bremen, Germany.

58. Department of Earth Sciences, University of Oregon, Eugene, OR, USA.

59. Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany.

60. Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan.

61. Department of Geological Sciences and Institute of Arctic and Alpine Research, University of Colorado Boulder, Boulder, CO, USA.

62. Department of Earth Science, California State University, Dominguez Hills, Carson, CA, USA.

63. School of Earth Sciences, Addis Ababa University, Addis Ababa, Ethiopia.

64. Independent researcher, Rossum, Netherlands.

65. Laoshan Laboratory, Qingdao, China.

66. Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, CA, USA.

67. Frontiers Science Center for Deep-time Digital Earth, School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing, China.

Abstract

The geological record encodes the relationship between climate and atmospheric carbon dioxide (CO 2 ) over long and short timescales, as well as potential drivers of evolutionary transitions. However, reconstructing CO 2 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 CO 2 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 CO 2 thresholds in biological and cryosphere evolution.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference439 articles.

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