Data visualisations

Arctic sea ice extent

Arctic sea ice extent

15 Nov 2018

Trend lines and observation points for March (the month of sea-ice extent maximum) and September (the month of sea-ice extent minimum) have been indicated.

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Maximum extent of ice cover in the Baltic Sea

Maximum extent of ice cover in the Baltic Sea in the winters 1719/20 – 2017/8 (blue bars) and 15 year moving average (red line). Source: Jouni Vainio, Finnish Meteorological Institute  (updated from Seinä and Palosuo 1996; Seinä et al. 2001).

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