Scientific synthesis reports and assessments
Scientific synthesis reports and assessments
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Articles | Volume 6-osr9
Articles | Volume 6-osr9
https://doi.org/10.5194/sp-6-osr9-7-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Report:
9th edition of the Copernicus Ocean State Report (OSR9)
https://doi.org/10.5194/sp-6-osr9-7-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6-osr9
30 Sep 2025
 | OSR9 | Chapter 2.4
 | 30 Sep 2025 | OSR9 | Chapter 2.4

Consistent long-term observations of surface phytoplankton functional types from space

Hongyan Xi, Marine Bretagnon, Ehsan Mehdipour, Julien Demaria, Antoine Mangin, and Astrid Bracher

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Short summary
To better understand the marine phytoplankton variability on different scales in both space and time, this study proposes a machine-learning-based scheme to provide continuous and consistent long-term observations of various phytoplankton groups from space on a global scale, which enables time series analysis for further trend and anomaly investigations. This study provides an essential ocean variable to help assess the ocean health in the biogeochemical aspect.
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9th edition of the Copernicus Ocean State Report (OSR9)
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