Biogeosciences
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Articles | Volume 22, issue 10
Articles | Volume 22, issue 10
https://doi.org/10.5194/bg-22-2461-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-22-2461-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 10
Research article
 | 
28 May 2025
Research article |  | 28 May 2025

Relationships between the concentration of particulate organic nitrogen and the inherent optical properties of seawater in oceanic surface waters

Alain Fumenia, Hubert Loisel, Rick A. Reynolds, and Dariusz Stramski

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Short summary
Particulate organic nitrogen (PON) plays a central role in ocean biogeochemistry, yet limited in situ data hinder a full understanding of PON variability and associated processes. Measurements of optical properties offer an alternative for assessing PON across diverse marine environments. Our analysis reveals strong relationships between PON and optical properties, supporting a promising means to assess PON from optical measurements performed in situ or conducted from remote-sensing platforms.
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