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-osr9-5-2025
© 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-osr9-5-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6-osr9
30 Sep 2025
 | OSR9 | Chapter 2.2
 | 30 Sep 2025 | OSR9 | Chapter 2.2

Variations in marine heatwaves and cold spells in the Northwest Atlantic during 1993–2023

Li Zhai, Youyu Lu, Haiyan Wang, Gilles Garric, and Simon Van Gennip

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Short summary
Statistics of marine heatwaves and cold spells in the water column of the Northwest Atlantic during 1993–2023 are derived using a global ocean reanalysis product. On the Scotian Shelf, temperatures and parameters of extreme events present layered structures in the water column, long-term trends, and sharp increases around 2012. Quantification of extreme warm (cold) conditions in 2012 (1998) supports previous studies on the impacts of these conditions on several marine life species.
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9th edition of the Copernicus Ocean State Report (OSR9)
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