Maximum extent of ice cover in the Baltic Sea in the winter and 15 year moving average

Maximum extent of ice cover in the Baltic Sea in the winters 1719/20-2022/23 (green bars) and 15 year moving average (blue line). Source: Jouni Vainio, Finnish Meteorological Institute (updated from Seinä and Palosuo 1996; Seinä et al. 2001).

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Methodology

Combination of different information sources, data checked 20.04.2023 by Jouni Vainio/FMI

Units

Maximum ice extent (km²)

Additional information

Seinä A, Palosuo E (1996) The classification of the maximum annual extent of ice cover in the Baltic Sea 1720-1995. MERI-Report Series of the Finnish Inst of Marine Res 27:79-91; Seinä A, Grönvall H, Kalliosaari S, Vainio J (2001) Ice seasons 1996-2000 in Finnish sea areas. MERI-Report Series of the Finnish Inst of Marine Res 43:132.

Maximum extent of ice cover in the Baltic Sea in the winter and 15 year moving average

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References and footnotes