Biogeosciences
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Articles | Volume 15, issue 7
Articles | Volume 15, issue 7
https://doi.org/10.5194/bg-15-2161-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-15-2161-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 15, issue 7
Research article
 | 
13 Apr 2018
Research article |  | 13 Apr 2018

Constraints on global oceanic emissions of N2O from observations and models

Erik T. Buitenhuis, Parvadha Suntharalingam, and Corinne Le Quéré

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Short summary
Thanks to decreases in CFC concentrations, N2O is now the third-most important greenhouse gas, and the dominant contributor to stratospheric ozone depletion. Here we estimate the ocean–atmosphere N2O flux. We find that an estimate based on observations alone has a large uncertainty. By combining observations and a range of model simulations we find that the uncertainty is much reduced to 2.45 ± 0.8 Tg N yr−1, and better constrained and at the lower end of the estimate in the latest IPCC report.
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