Underestimation of denitrification rates from field application of the <sup>15</sup>N gas flux method and its correction by gas diffusion modelling

Well, Reinhard; Maier, Martin; Lewicka-Szczebak, Dominika; Köster, Jan-Reent; Ruoss, Nicolas

doi:https://doi.org/10.5194/bg-16-2233-2019

Articles | Volume 16, issue 10

Biogeosciences, 16, 2233–2246, 2019

https://doi.org/10.5194/bg-16-2233-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Biogeosciences, 16, 2233–2246, 2019

https://doi.org/10.5194/bg-16-2233-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 10

Research article 29 May 2019

Research article | 29 May 2019

Underestimation of denitrification rates from field application of the ¹⁵N gas flux method and its correction by gas diffusion modelling

Reinhard Well et al.

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Final revised paper (published on 29 May 2019)
Supplement to the final revised paper
Preprint (discussion started on 13 Dec 2018)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Biogeosciences [Manuscript #2018-495]', Anonymous Referee #1, 20 Dec 2018
- AC1: 'Author's response to reviewer 1', Reinhard Well, 21 Feb 2019
RC2: 'Review of "Underestimation of denitrification rates from field application of the 15N gas flux method and its correction by gas diffusion modelling"', Anonymous Referee #2, 30 Jan 2019
- AC2: 'Author's response to reviewer 2', Reinhard Well, 21 Feb 2019

Peer-review completion

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

ED: Reconsider after major revisions (04 Mar 2019) by Ivonne Trebs

AR by Anna Wenzel on behalf of the Authors (24 Apr 2019) Author's response

ED: Referee Nomination & Report Request started (24 Apr 2019) by Ivonne Trebs

RR by Anonymous Referee #1 (15 May 2019)

ED: Publish as is (16 May 2019) by Ivonne Trebs

AR by Reinhard Well on behalf of the Authors (20 May 2019) Author's response Manuscript

Short summary

Denitrification is a key process in the soil nitrogen cycle but poorly investigated due to methodical limitations. The ¹⁵N gas flux method is currently the only approach allowing field measurement of denitrification but was subject to bias due to unaccounted fluxes of ¹⁵N-labelled gaseous denitrification products to the subsoil. We used field flux experiments and diffusion–reaction modelling to estimate this source of error and developed an approach to correct denitrification rates.

Underestimation of denitrification rates from field application of the 15N gas flux method and its correction by gas diffusion modelling

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Interactive discussion

Peer-review completion

Underestimation of denitrification rates from field application of the ¹⁵N gas flux method and its correction by gas diffusion modelling