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This description meant that the whole of the Baltic Sea was covered with ice. Since 1720, the Baltic Sea has frozen over entirely 20 times, most recently in early 1987, which was the most severe winter in Scandinavia since 1720. The ice then covered 400,000 km 2 (150,000 sq mi).
The formation of the Baltic Ice Lake in the deepest part of today's Baltic Sea, at Landsort Deep which is 459 m (1,506 ft) below present sea level took place about 13,600 years ago, [27] in the Bølling–Allerød Interstadial. The Baltic Ice Lake covered a large area by 13,000 BC between present southern Sweden, Lithuania and up to Estonia. [9]
The growth of the ice sheet was accompanied by an eastward migration of the ice divide from the Scandinavian Mountains eastwards into Sweden and the Baltic Sea. [11] As the ice sheets in northern Europe grew prior to the Last Glacial Maximum, the Fennoscandian Ice Sheet coalesced with the ice sheet that was growing in the Barents Sea 24 ka BP ...
This sea was during its first 2500 to 2000 years of existence connected to the White Sea through Karelia due to the isostatic depression caused by the ice sheet of the earlier Saalian ice age. [ 9 ] Little is known about the Baltic Sea during the oscillations of the Weichselian ice age, the last glaciation.
A cargo ship approaching the Vihreäsaari harbour in Oulu, Finland, while the Bay of Bothnia starts to freeze for the winter The ice road between the Hailuoto island and the mainland. The Bothnian Bay has a harsher environment than other parts of the greater Baltic Sea. [11] The bay is ice-covered for 110 to 190 days each year. [12]
The fall in sea level also affects the circulation of ocean currents and thus has important impact on climate during the glacial maximum. During deglaciation, the melted ice water returns to the oceans, thus sea level in the ocean increases again. However, geological records of sea level changes show that the redistribution of the melted ice ...
The least amount of sea ice, which typically melts and reforms with the changing of the seasons, in a day this year was at 1.65 million square miles: a stark decline compared to the average ...
Accordingly in the Belt Sea and southern Baltic compared to the present Baltic Sea, temperature was about 6 °C warmer and salinity was 15% higher. [5] [3] Much of northern Europe was under shallow water. Scandinavia was an island. The salinity of the Eemian Sea was comparable to that of the Atlantic and much more than the present Baltic Sea.