Articles | Volume 7, issue 2
https://doi.org/10.5194/soil-7-347-2021
https://doi.org/10.5194/soil-7-347-2021
Original research article
 | 
06 Jul 2021
Original research article |  | 06 Jul 2021

Geogenic organic carbon in terrestrial sediments and its contribution to total soil carbon

Fabian Kalks, Gabriel Noren, Carsten W. Mueller, Mirjam Helfrich, Janet Rethemeyer, and Axel Don

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (12 Oct 2020) by Cornelia Rumpel
AR by Axel Don on behalf of the Authors (23 Nov 2020)  Manuscript 
ED: Referee Nomination & Report Request started (05 Dec 2020) by Cornelia Rumpel
RR by Anonymous Referee #3 (23 Dec 2020)
RR by Anonymous Referee #1 (18 Jan 2021)
ED: Revision (26 Jan 2021) by Cornelia Rumpel
AR by Axel Don on behalf of the Authors (09 Mar 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to minor revisions (review by editor) (16 May 2021) by Cornelia Rumpel
AR by Axel Don on behalf of the Authors (18 May 2021)  Author's response   Author's tracked changes   Manuscript 
ED: Publish as is (27 May 2021) by Cornelia Rumpel
ED: Publish as is (27 May 2021) by Jorge Mataix-Solera (Executive editor)
AR by Axel Don on behalf of the Authors (31 May 2021)  Manuscript 
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Short summary
Sedimentary rocks contain organic carbon that may end up as soil carbon. However, this source of soil carbon is overlooked and has not been quantified sufficiently. We analysed 10 m long sediment cores with three different sedimentary rocks. All sediments contain considerable amounts of geogenic carbon contributing 3 %–12 % to the total soil carbon below 30 cm depth. The low 14C content of geogenic carbon can result in underestimations of soil carbon turnover derived from 14C data.