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BG | Articles | Volume 17, issue 4
Biogeosciences, 17, 979–993, 2020
https://doi.org/10.5194/bg-17-979-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 17, 979–993, 2020
https://doi.org/10.5194/bg-17-979-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 24 Feb 2020

Research article | 24 Feb 2020

Isotopic evidence for alteration of nitrous oxide emissions and producing pathways' contribution under nitrifying conditions

Guillaume Humbert et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (05 Oct 2019) by Perran Cook
AR by Guillaume Humbert on behalf of the Authors (31 Oct 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (07 Nov 2019) by Perran Cook
RR by Anonymous Referee #2 (20 Dec 2019)
ED: Publish as is (20 Jan 2020) by Perran Cook
Publications Copernicus
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Short summary
Mitigating emissions of the greenhouse gas N2O requires understanding of the relative contribution of its producing processes in response to environmental variables. We show, using isotopic analysis, that N2O emissions from a nitrifying system were sensitive to oxygenation, temperature and NH4+ concentrations with nitrite reduction being the main N2O source. Temperature appears to be the main control on N2O production, due to its dissimilar effects on ammonium and nitrite oxidizing activities.
Mitigating emissions of the greenhouse gas N2O requires understanding of the relative...
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