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Article contents

Carbon-14 and Carbon-13 in Soil Co2

Published online by Cambridge University Press:  18 July 2016

Helmut Dörr
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Federal Republic of Germany
Karl Otto Münnich
Affiliation:
Institut für Umweltphysik der Universität Heidelberg, Federal Republic of Germany
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Abstract

Carbon isotope measurements in soil CO2 are presented and discussed. Soil CO2 concentration and 13C profiles were measured using a new technique. A simple model describing the CO2 transport from the soil to the atmosphere is derived. The finding that CO2 in the soil is richer in 13C than the CO2 leaving the soil is attributed to isotopic fractionation in molecular diffusion.

Type
Soils and Groundwater
Copyright
Copyright © The American Journal of Science

References

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