Ocean change in the northeastern Atlantic and adjacent seas: a multi-dimensional challenge for the environment, society, and economy

von Schuckmann, Karina; Gues, Flora; Moreira, Lorena; Liné, Aurélien; de Pascual Collar, Álvaro

doi:10.5194/sp-6-osr9-3-2025

Articles | Volume 6-osr9

https://doi.org/10.5194/sp-6-osr9-3-2025

© 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-osr9-3-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 6-osr9

30 Sep 2025

| OSR9 | Chapter 1.2

| 30 Sep 2025 | OSR9 | Chapter 1.2

Ocean change in the northeastern Atlantic and adjacent seas: a multi-dimensional challenge for the environment, society, and economy

Karina von Schuckmann, Flora Gues, Lorena Moreira, Aurélien Liné, and Álvaro de Pascual Collar

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Short summary

The northeastern Atlantic and adjacent seas are warming and acidifying at rates exceeding the global average, with rising sea levels and record severe marine heatwaves. These changes threaten marine ecosystems, biodiversity, cultural heritage, and key economic sectors that depend on a healthy ocean. This ocean narrative emphasizes the importance of regional ocean indicators, tailored local action, and stronger knowledge transfer between science and policy to support informed decisions.