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The Baltic Ice Lake is one of a number of water stages that eventually resulted in the modern Baltic Sea, and is the first stage after the last ice age. The lake occupied part of the Baltic Basin that had seen many large lakes periodically form during the period between 64,000 and 16,000 years BP in the last ice age.
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).
Little is known about the Baltic Sea during the oscillations of the Weichselian ice age, the last glaciation. The first Weichselian glaciations, corresponding to MIS 5b and 5d, penetrated parts of the Baltic Sea depression from north to south but did not got south beyond Åland. The Weichsel ice sheet reached northern Denmark about 65–60 ...
The Baltic Sea froze over twice, in 1303 and 1306–1307, and years followed of "unseasonable cold, storms and rains, and a rise in the level of the Caspian Sea". [26] The Little Ice Age brought colder winters to parts of Europe and North America.
Lake Ladoga was initially part of the Baltic Ice Lake (70–80 m. above present sea level), a historical freshwater stage of Baltic Sea. It is possible, though not certain, that Ladoga was isolated from it during regression of the subsequent Yoldia Sea brackish stage (10,200–9,500 BP).
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]
Yoldia Sea is a name given by geologists to a variable brackish water stage in the Baltic Sea basin that prevailed after the Baltic Ice Lake was drained to sea level during the Weichselian glaciation. Dates for the Yoldia sea are obtained mainly by radiocarbon dating material from ancient sediments and shore lines and from clay-varve chronology.
Ice boat on Saint Lawrence River, Quebec City, c. 1858–1860 Classic iceboats on the Hudson River at Barrytown, NY Ice Boating in Toledo, Ohio. The history of iceboating began in Europe in areas where smooth ice was found in the bays of the Baltic Sea and the canals of the Netherlands during the little ice age.