Articles | Volume 15, issue 1
https://doi.org/10.5194/esd-15-155-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-15-155-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Feb 2024
Research article |
| 19 Feb 2024
| 19 Feb 2024
Atmospheric teleconnections between the Arctic and the Baltic Sea region as simulated by CESM1-LE
Erko Jakobson
CORRESPONDING AUTHOR
Tartu Observatory, University of Tartu, Tartu, Estonia
Liisi Jakobson
Tartu Observatory, University of Tartu, Tartu, Estonia
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This review explains how weather patterns, guided by the polar jet stream, influence the Baltic Sea’s climate and ecosystem. It covers the NAO, blocking events and other processes and discusses how they affect temperature, rainfall, and storms from days to decades. These shifts then impact oxygen levels, productivity, and acidification in the Baltic Sea. Physical links are fairly well known, but biogeochemical pathways remain uncertain.
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This preprint is open for discussion and under review for Earth System Dynamics (ESD).
Short summary
Short summary
This review explains how weather patterns, guided by the polar jet stream, influence the Baltic Sea’s climate and ecosystem. It covers the NAO, blocking events and other processes and discusses how they affect temperature, rainfall, and storms from days to decades. These shifts then impact oxygen levels, productivity, and acidification in the Baltic Sea. Physical links are fairly well known, but biogeochemical pathways remain uncertain.
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Short summary
The Baltic Sea region climate has strong teleconnections with the Arctic climate; the strongest connections are with Svalbard and Greenland. The majority of teleconnections can be explained by the North Atlantic Oscillation and Arctic Oscillation. During ongoing climate change, the teleconnection patterns did not show remarkable developments by the end of the 21st century. The whole Arctic's previous month's climate data determine less than 9 % of the Baltic Sea region's seasonal mean.
The Baltic Sea region climate has strong teleconnections with the Arctic climate; the strongest...
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