Articles | Volume 16, issue 16
Biogeosciences, 16, 3247–3266, 2019
https://doi.org/10.5194/bg-16-3247-2019

Special issue: The 10th International Carbon Dioxide Conference (ICDC10)...

Biogeosciences, 16, 3247–3266, 2019
https://doi.org/10.5194/bg-16-3247-2019

Research article 29 Aug 2019

Research article | 29 Aug 2019

Attribution of N2O sources in a grassland soil with laser spectroscopy based isotopocule analysis

Erkan Ibraim et al.

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Attribution of N2O sources in a grassland soil with laser spectroscopy based isotopocule analysis E. Ibraim, B. Wolf, E. Harris, R. Gasche, J. Wei, L. Yu, R. Kiese, S. Eggleston, K. Butterbach-Bahl, M. Zeeman, B. Tuzson, L. Emmenegger, J. Six, S. Henne, and J. Mohn https://doi.org/10.17605/OSF.IO/QPRJZ

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Short summary
Nitrous oxide (N2O) is an important greenhouse gas and the major stratospheric ozone-depleting substance; therefore, mitigation of anthropogenic N2O emissions is needed. To trace N2O-emitting source processes, in this study, we observed N2O isotopocules above an intensively managed grassland research site with a recently developed laser spectroscopy method. Our results indicate that the domain of denitrification or nitrifier denitrification was the major N2O source.
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