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Scientists have uncovered the mystery of Britain

Ученые раскрыли тайну возникновения БританииScientists have found that the UK was the result of a major disaster.

Scientists from Imperial College London found the cause of the island of great Britain, 160 thousand years ago.

According to researchers, this resulted from a catastrophic flood of the lake, fed by the ice sheet.

As reported in Nature Communications, about 450 thousand years ago, ice covered all the North sea from the British Isles to the Scandinavian Peninsula. At this time, the surface level of the oceans was lower than now, and the English channel did not exist. Scientists believed that the English channel occurred when the land connecting Britain to Europe (ridge wild-Artois), has blurred the breakout of water from glacial lakes, but the exact data pointing to disaster, was not.

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The researchers analyzed the topography in the area of Central and Eastern shelf of the English channel, which allowed to determine the direction of underwater valleys. So, the biggest of them Luborsky canal stretches from North-East to South-West and was part of an extensive network of grooves (depressions) around the Islands of bedrock. Also, geologists have discovered seven kilometer-long ditches to a depth of 140 meters, which probably resulted from vertical rock drilling of large waterfalls.

Scientists believe that the ridge wild-Artois played the role of a dam restraining water from a glacial lake, which was located on the territory of the North sea. When full, the lake had waterfalls height of 100 meters, digging up the basin at the foot of the ridge. Water flows down a stepped topography of the valleys for a number of glaciations and interglacial epochs, gradually formed the modern look of the bottom of the English channel.

The overflow of glacial lake overflow, and its waters through wild-Artois led to a strong erosion of the ridge. This contributed to the breakthrough of natural dams, flooding downstream valleys and erosion Koburgskogo channel.

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