Reconstructing precambrian pCO2 and pO2 using paleosols:

Paleosols formed in direct contact with the Earth's atmosphere, so they can record the composition of the atmosphere through weathering processes and products. Herein we critically review a variety of different approaches for reconstructing atmospheric O2 and CO2 over the past three billion yea...

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Bibliographic Details
Main Authors: Sheldon, Nathan D. ca. 20./21. Jh (Author), Mitchell, Ria ca. 20./21. Jh (Author), Dzombak, Rebecca M. ca. 20./21. Jh (Author)
Format: Electronic eBook
Language:English
Published: Cambridge Cambridge University Press 2021
Series:Cambridge elements
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Online Access:BSB01
FHN01
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Summary:Paleosols formed in direct contact with the Earth's atmosphere, so they can record the composition of the atmosphere through weathering processes and products. Herein we critically review a variety of different approaches for reconstructing atmospheric O2 and CO2 over the past three billion years. Paleosols indicate relatively low CO2 over that time, requiring additional greenhouse forcing to overcome the 'faint young Sun' paradox in the Archean and Mesoproterozoic, as well as low O2 levels until the Neoproterozoic. Emerging techniques will revise the history of Earth's atmosphere further and may provide a window into atmospheric evolution on other planets
Item Description:Title from publisher's bibliographic system (viewed on 04 Mar 2021)
Physical Description:1 Online-Ressource (28 Seiten)
ISBN:9781108870962
DOI:10.1017/9781108870962

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