Estimation of the fossil fuel component in atmospheric CO<sub>2</sub> based on radiocarbon measurements at the Beromünster tall tower, Switzerland

Berhanu, Tesfaye A.; Szidat, Sönke; Brunner, Dominik; Satar, Ece; Schanda, Rüdiger; Nyfeler, Peter; Battaglia, Michael; Steinbacher, Martin; Hammer, Samuel; Leuenberger, Markus

doi:https://doi.org/10.5194/acp-17-10753-2017

Articles | Volume 17, issue 17

https://doi.org/10.5194/acp-17-10753-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-10753-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 17

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, Sönke Szidat, Dominik Brunner, Ece Satar, Rüdiger Schanda, Peter Nyfeler, Michael Battaglia, Martin Steinbacher, Samuel Hammer, and Markus Leuenberger

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Final revised paper (published on 13 Sep 2017)
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Preprint (discussion started on 20 Mar 2017)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Berhanu et al', Jocelyn Turnbull, 17 Apr 2017
- AC1: 'Reply to Interactive comments from J. Turnbull', Tesfaye Berhanu, 07 Aug 2017
RC2: 'Estimation of the fossil-fuel component in atmospheric CO2 based on radiocarbon measurements at the Beromünster tall tower, Switzerland', Anonymous Referee #2, 12 Jun 2017
- AC2: 'Reply to Interactive comments from the Anonymous Referee #2', Tesfaye Berhanu, 07 Aug 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by TESFAYE BERHANU on behalf of the Authors (07 Aug 2017) Author's response Manuscript

ED: Publish subject to technical corrections (17 Aug 2017) by Thomas Röckmann

AR by TESFAYE BERHANU on behalf of the Authors (17 Aug 2017) Manuscript

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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.

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

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Interactive discussion

Peer-review completion

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