Biogeosciences
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Articles | Volume 17, issue 24
Articles | Volume 17, issue 24
https://doi.org/10.5194/bg-17-6491-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-6491-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 24
Research article
 | 
23 Dec 2020
Research article |  | 23 Dec 2020

The suspended small-particle layer in the oxygen-poor Black Sea: a proxy for delineating the effective N2-yielding section

Rafael Rasse, Hervé Claustre, and Antoine Poteau

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Short summary
Here, data collected by BGC-Argo floats are used to investigate the origin of the suspended small-particle layer inferred from optical sensors in the oxygen-poor Black Sea. Our results suggest that this layer is at least partially composed of the microbial communities that produce dinitrogen. We propose that oxygen and the optically derived small-particle layer can be used in combination to refine delineation of the effective N2-yielding section of the Black Sea and oxygen-deficient zones.
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