Articles | Volume 17, issue 17
Atmos. Chem. Phys., 17, 10753–10766, 2017
https://doi.org/10.5194/acp-17-10753-2017
Atmos. Chem. Phys., 17, 10753–10766, 2017
https://doi.org/10.5194/acp-17-10753-2017

Research article 13 Sep 2017

Research article | 13 Sep 2017

Estimation of the fossil fuel component in atmospheric CO2 based on radiocarbon measurements at the Beromünster tall tower, Switzerland

Tesfaye A. Berhanu et al.

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Latest update: 19 Oct 2021
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Short summary
Fossil fuel CO2 is the major contributor of anthropogenic CO2 in the atmosphere, and accurate quantification is essential to better understand the carbon cycle. Such accurate quantification can be conducted based on radiocarbon measurements. In this study, we present radiocarbon measurements from a tall tower site in Switzerland. From these measurements, we have observed seasonally varying fossil fuel CO2 contributions and a biospheric CO2 component that varies diurnally and seasonally.
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