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Helena Filipsson, foto Erik Thor

Helena Filipsson

Professor

Helena Filipsson, foto Erik Thor

Large-scale atmospheric circulation and its impact on the Baltic Sea region : controls, predictability and consequences

Författare

  • Florian Börgel
  • Itzel Ruvalcaba Baroni
  • Leonie Barghorn
  • Leonard Borchert
  • Bronwyn Cahill
  • Cyril Dutheil
  • Leonie Esters
  • Małgorzata Falarz
  • Helena L. Filipsson
  • Matthias Gröger
  • Jari Hänninen
  • Magnus Hieronymus
  • Erko Jakobson
  • Mehdi Pasha Karami
  • Karol Kuliński
  • Taavi Liblik
  • H. E.Markus Meier
  • Gabriele Messori
  • Lev Naumov
  • Thomas Neumann
  • Piia Post
  • Gregor Rehder
  • Anna Rutgersson
  • Georg Sebastian Voelker
Visa allt

Summary, in English

Large-scale Euro-Atlantic variability, shaped by the polar jet stream, governs weather and climate in the Baltic Sea region, thereby impacting the physical and biogeochemical properties of the Baltic Sea ecosystem. This review synthesizes how key atmospheric circulation features and modes of climate variability, including the North Atlantic Oscillation, atmospheric blocking and the Atlantic Multidecadal Variability, influence the Baltic Sea region. By integrating evidence from the published literature, observational datasets, and both global and regional climate model simulations, we assess established as well as potential linkages to key climatic variables, including temperature, precipitation, and storm activity, across temporal scales ranging from synoptic events to multidecadal variability. We then evaluate how these climate controls cascade into ecosystem-relevant processes, namely oxygen dynamics, primary productivity and ocean acidification. Although physical links are already established, the pathways connecting large-scale atmospheric patterns to biogeochemistry are still poorly constrained, partly because dedicated field studies and targeted model experiments are limited. We outline priority research needs to enhance near-term predictability and reduce uncertainty in future projections for the Baltic Sea.

Avdelning/ar

  • Miljö- och geovetenskapliga institutionen (MGeo)
  • LU profilområde: Naturbaserade framtidslösningar
  • BECC: Biodiversity and Ecosystem services in a Changing Climate

Publiceringsår

2026

Språk

Engelska

Sidor

415-450

Publikation/Tidskrift/Serie

Earth System Dynamics

Volym

17

Avvikelse

3

Dokumenttyp

Översiktsartikel

Förlag

Copernicus GmbH

Ämne

  • Meteorology and Atmospheric Sciences

Nyckelord

  • SDG 14 - Life Below Water
  • SDG 13 - Climate Action
  • SDG 15 - Life on Land

Aktiv

Published

ISBN/ISSN/Övrigt

  • ISSN: 2190-4979