Articles | Volume 16, issue 16
https://doi.org/10.5194/bg-16-3197-2019
https://doi.org/10.5194/bg-16-3197-2019
Technical note
 | 
28 Aug 2019
Technical note |  | 28 Aug 2019

Technical Note: Isotopic corrections for the radiocarbon composition of CO2 in the soil gas environment must account for diffusion and diffusive mixing

Jocelyn E. Egan, David R. Bowling, and David A. Risk

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Interactive discussion

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 (26 Jan 2019) by Dan Yakir
AR by Jocelyn Egan on behalf of the Authors (08 Apr 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (18 Apr 2019) by Dan Yakir
RR by Anonymous Referee #1 (21 Apr 2019)
RR by Anonymous Referee #3 (03 May 2019)
ED: Reconsider after major revisions (17 May 2019) by Dan Yakir
AR by Jocelyn Egan on behalf of the Authors (08 Jul 2019)  Author's response    Manuscript
ED: Publish as is (17 Jul 2019) by Dan Yakir
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Short summary
Traditionally a mass-dependent correction is made when measuring the radiocarbon composition in organic samples. This correction has not been evaluated for the soil gas environment where gas transport processes are important. Here, we show using theory that this traditional correction is not appropriate for estimating the radiocarbon composition of soil biological production. We also propose a new solution that accounts for soil gas transport processes.
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