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Meier, H. E. Markus [Author]; Kniebusch, Madline [Author]; Dieterich, Christian [Author]; Gröger, Matthias [Author]; Zorita, Eduardo [Author]; Elmgren, Ragnar [Author]; Myrberg, Kai [Author]; Ahola, Markus P. [Author]; Bartosova, Alena [Author]; Bonsdorff, Erik [Author]; Börgel, Florian [Author]; Capell, Rene [Author]; Carlén, Ida [Author]; Carlund, Thomas [Author]; Carstensen, Jacob [Author]; Christensen, Ole B. [Author]; Dierschke, Volker [Author]; Frauen, Claudia [Author]; Frederiksen, Morten [Author]; Gaget, Elie [Author]; Galatius, Anders [Author]; Haapala, Jari J. [Author]; Halkka, Antti [Author]; Hugelius, Gustaf [Author]; [...]

Climate change in the Baltic Sea region: a summary

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  • Media type: E-Article
  • Title: Climate change in the Baltic Sea region: a summary
  • Contributor: Meier, H. E. Markus [Author]; Kniebusch, Madline [Author]; Dieterich, Christian [Author]; Gröger, Matthias [Author]; Zorita, Eduardo [Author]; Elmgren, Ragnar [Author]; Myrberg, Kai [Author]; Ahola, Markus P. [Author]; Bartosova, Alena [Author]; Bonsdorff, Erik [Author]; Börgel, Florian [Author]; Capell, Rene [Author]; Carlén, Ida [Author]; Carlund, Thomas [Author]; Carstensen, Jacob [Author]; Christensen, Ole B. [Author]; Dierschke, Volker [Author]; Frauen, Claudia [Author]; Frederiksen, Morten [Author]; Gaget, Elie [Author]; Galatius, Anders [Author]; Haapala, Jari J. [Author]; Halkka, Antti [Author]; Hugelius, Gustaf [Author]; [...]
  • Published: Copernicus Publications (EGU), 2022-03-15
  • Language: English
  • DOI: https://doi.org/10.5194/esd-13-457-2022
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: Based on the Baltic Earth Assessment Reports of this thematic issue in Earth System Dynamics and recent peer-reviewed literature, current knowledge of the effects of global warming on past and future changes in climate of the Baltic Sea region is summarised and assessed. The study is an update of the Second Assessment of Climate Change (BACC II) published in 2015 and focuses on the atmosphere, land, cryosphere, ocean, sediments, and the terrestrial and marine biosphere. Based on the summaries of the recent knowledge gained in palaeo-, historical, and future regional climate research, we find that the main conclusions from earlier assessments still remain valid. However, new long-term, homogenous observational records, for example, for Scandinavian glacier inventories, sea-level-driven saltwater inflows, so-called Major Baltic Inflows, and phytoplankton species distribution, and new scenario simulations with improved models, for example, for glaciers, lake ice, and marine food web, have become available. In many cases, uncertainties can now be better estimated than before because more models were included in the ensembles, especially for the Baltic Sea. With the help of coupled models, feedbacks between several components of the Earth system have been studied, and multiple driver studies were performed, e.g. projections of the food web that include fisheries, eutrophication, and climate change. New datasets and projections have led to a revised understanding of changes in some variables such as salinity. Furthermore, it has become evident that natural variability, in particular for the ocean on multidecadal timescales, is greater than previously estimated, challenging our ability to detect observed and projected changes in climate. In this context, the first palaeoclimate simulations regionalised for the Baltic Sea region are instructive. Hence, estimated uncertainties for the projections of many variables increased. In addition to the well-known influence of the North Atlantic Oscillation, it was found that also ...
  • Access State: Open Access