Biogeosciences
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Articles | Volume 23, issue 4
Articles | Volume 23, issue 4
https://doi.org/10.5194/bg-23-1697-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-23-1697-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 4
Research article
 | 
03 Mar 2026
Research article |  | 03 Mar 2026

Meta-analytical insights into organic matter enrichment in the surface microlayer

Amavi Silva, Surandokht Nikzad, Theresa Barthelmeß, Anja Engel, Hartmut Herrmann, Manuela van Pinxteren, Kai Wirtz, Oliver Wurl, and Markus Schartau

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Short summary
We conducted the first meta-analysis combining marine and freshwater studies to understand organic matter enrichment in the surface microlayer. Nitrogen-rich, particulate compounds are often enriched, with patterns varying by multiple factors. We recommend tracking both absolute concentrations and normalized enrichment patterns to better assess ecological conditions. Our study also introduces improved statistical methods for analyzing and comparing surface microlayer data.
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