Ice core record of the C-13/C-12 ratio of atmospheric CO2 in the past two centuries

Details Ice core record of the C-13/C-12 ratio of atmospheric CO2 in the past two centuries Ice core record of the C-13/C-12 ratio of atmospheric CO2 in the past two centuries

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.324..237f&link_type=abstract

Nature (ISSN 0028-0836), vol. 324, Nov. 20, 1986, p. 237, 238. SNSF-supported research.

Physics

144

Atmospheric Chemistry, Carbon Dioxide Concentration, Carbon Isotopes, Earth Atmosphere, Secular Variations, Abundance, Core Sampling, Fossil Fuels, Gas Chromatography, Ice

Scientific paper

CO2 released into the atmosphere by human activity is depleted in C-13 relative to C-12. The delta C-13 of CO2 separated from air trapped in bubbles in ice samples from an ice core taken at Siple Station in Antarctica has been measured. The isotopic results, together with the CO2 record from the same ice core, yield information on the sources of excess carbon dioxide and provide a data base for testing the consistency of global carbon cycle models.

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