Concentration of carbon dioxide in the Late Cretaceous atmosphere

Andrews, JE, Tandon, SK and Dennis, PF (1995) Concentration of carbon dioxide in the Late Cretaceous atmosphere. Journal of the Geological Society of London (152). pp. 1-3.

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Abstract

Stable carbon isotope data from Late Cretaceous (Maastrichtian) palaeosols in India are used to estimate the concentration of carbon dioxide in the Late Cretaceous atmosphere. We show that the Maastrichtian atmosphere is unlikely to have contained more than about 1300 ppm by volume of CO2. This value agrees with an independently modelled value of CO2 in the Late Cretaceous atmosphere. A low concentration of the greenhouse gas carbon dioxide in the Maastrichtian atmosphere (relative to concentrations in the earlier Cretaceous) is consistent with palaeotemperature information from terrestrial plant and marine fossils, which suggest that the global climate cooled toward the end of the Cretaceous Period.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
University of East Anglia > Faculty of Science > Research Groups > Environmental Earth Sciences
University of East Anglia > Faculty of Science > Research Groups > Marine and Atmospheric Sciences
University of East Anglia > Faculty of Science > Research Groups > Geosciences and Natural Hazards
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Depositing User: Rachel Snow
Date Deposited: 03 Mar 2011 12:10
Last Modified: 25 Jul 2018 08:12
URI: https://ueaeprints.uea.ac.uk/id/eprint/25599
DOI:

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