Baltic Sea freshwater content

Raudsepp, Urmas; Maljutenko, Ilja; Barzandeh, Amirhossein; Uiboupin, Rivo; Lagemaa, Priidik

doi:https://doi.org/10.5194/sp-1-osr7-7-2023

Articles | Volume 1-osr7

https://doi.org/10.5194/sp-1-osr7-7-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Report:

7th edition of the Copernicus Ocean State Report (OSR7)

https://doi.org/10.5194/sp-1-osr7-7-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 1-osr7

27 Sep 2023

| OSR7 | Chapter 2.5

| 27 Sep 2023 | OSR7 | Chapter 2.5

Baltic Sea freshwater content

Urmas Raudsepp, Ilja Maljutenko, Amirhossein Barzandeh, Rivo Uiboupin, and Priidik Lagemaa

Supplement

https://doi.org/10.5194/sp-1-osr7-7-2023-supplement

Data sets

Baltic Sea Physics Reanalysis EU Copernicus Marine Service Product https://doi.org/10.48670/moi-00013

ERA5 hourly data on single levels from 1940 to present H. Hersbach, B. Bell, P. Berrisford, G. Biavati, A. Horányi, J. Muñoz Sabater, J. Nicolas, C. Peubey, R. Radu, I. Rozum, D. Schepers, A. Simmons, C. Soci, D. Dee, and J.-N. Thépaut https://doi.org/10.24381/cds.adbb2d47

The IOW thredds at Leibniz Institute for Baltic Sea Research Warnemuende IOW THREDDS https://thredds-iow.io-warnemuende.de/thredds/catalogs/projects/bmip/catalog_bmip_rivers.html

Baltic Sea - Eutrophication and Acidity aggregated datasets 1902/2017 v2018 SMHI https://doi.org/10.6092/595D233C-3F8C-4497-8BD2-52725CEFF96B

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Short summary

The freshwater content in the Baltic Sea has wide sub-regional variability characterized by the local climate dynamics. The total freshwater content trend is negative due to the recent increased inflows of saltwater, but there are also regions where the increase in runoff and decrease in ice content have led to an increase in the freshwater content.