Tinnsjå
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Tinnsjå (also known as Tinnsjø or Tinnsjøen; Template:Langx[1][2][3]) is one of the largest lakes in Norway measuring about Script error: No such module "convert".. At a depth of Script error: No such module "convert". it is the third deepest lake in Norway and Europe. Tinnsjå is located in the municipalities of Tinn and Notodden in Telemark county. At its source in the west, the Måna river flows out of the lake Møsvatn and past the town of Rjukan into Tinnsjå. From the north, the river Mår flows from the lakes Mår, Gøystavatn, and Kalhovdfjorden into Tinnsjå. Tinnsjå is part of the Skien watershed, and it drains via the Tinnelva river in the south, down to the lake Heddalsvatn.[4]
At the north end of the lake lie the villages of Atrå and Austbygdi. The village of Miland lies on the western shore of the lake. The village of Hovin lies up on a hill overlooking the eastern shore of the lake and the village of Rudsgrendi lies on the western shore. There is a small dam at the south end of the lake which regulates the surface elevation of the lake and the village of Tinnoset is located at this end of the lake. The village of Gransherad lies about Script error: No such module "convert". south of this dam.[4]
History
In 1944, during the German occupation of Norway, the ferry SF Hydro was sunk in Tinnsjå by the Norwegian resistance. The Germans were using the ferry to transport a large quantity of heavy water to Germany, where it was to be used for nuclear weapons research. The heavy water had been produced at Vemork, a factory located in Rjukan.
The wreck of the ferry was discovered in 1993.[5] In 2004, it was investigated and filmed for an episode of NOVA; heavy water samples were recovered and deuterium isotopic enrichment was confirmed.
In 2004, a film crew shooting footage for a new documentary on the heavy water sabotage became aware of an unusual fish, swimming near the lake bottom at a depth of Script error: No such module "convert".. Two specimens of the previously unknown fish were captured in April 2005. Analysis revealed the fish to be closely related to Arctic char. The light-colored, translucent fish is up to Script error: No such module "convert". long and lacks a swim bladder.[6]
See also
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References
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Template:Lakes in Norway Template:Authority control Template:Use dmy dates