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October Revolution Island
October Revolution Island (Russian: Остров Октябрьской Революции, ''Ostrov Oktyabrskoy Revolyutsii'') is the largest island of the Severnaya Zemlya group in the Russian Arctic.
The area of this island has been estimated at making it the 56th largest island in the world.〔(McCoy, John F. (ed.) (2002) ''Geo-Data: The World Geographical Encyclopedia'' Thomson-Gale )〕 It rises to a height of on Mount Karpinsky. Half the island is covered with glaciers reaching down into the sea. In the sections free from ice, the vegetation is desert or tundra. The island was discovered by Boris Vilkitsky in 1913, but its insularity wasn’t proven until 1931, when Georgy Ushakov and Nikolay Urvantsev charted the archipelago during their 1930–32 expedition.〔("Октябрьской Революции Остров" ) ''Great Soviet Encyclopedia''〕
==Geography==
October Revolution Island houses five domed ice caps; clockwise from north, they are named: Rusanov, Karpinsky, University, Vavilov and Albanov. The Vavilov Meteorological Station was operated from 1974 to 1988 on the northern part of the Vavilov Ice Cap.〔(Bassford, R.P. ''et al.'' (2006) "Quantifying the Mass Balance of Ice Caps on Severnaya Zemlya, Russian High Arctic. I: Climate and Mass Balance of the Vavilov Ice Cap" ''Arctic, Antarctic, and Alpine Research'' 38(1): pp.1–12 ) link to abstract only〕 Other minor ice caps on the island include the Mal'yutka Glacier. The Podemnaya River and the Bolshaya River drain to the northwest between the Vavilov and Albanov glaciers, and the Bedovaya and Obryvistaya Rivers drain to the north between Albanov and Rusanov.〔(Männik, Peep ''et al.'' (2002) "Silurian and Devonian strata Severnaya Zemlya and Sedov archipelagos (Russia)" ''Geodiversitas'' 24(1): pp. 99–122 );〕
The coast of the island is uneven with rugged coves and headlands. The largest bays of the island are along the northern coast.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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