arkticheskiy institut islands axel heiberg island bely island dikson island dudinka firnley islands fridtjof nansen geographic coordinate system graham bell island great arctic state nature reserve izvestiy tsik islands kamennyye islands kara sea kirov islands kolchak island kolomeitsev islands kolosovykh islands komsomolets island krasnoyarsk krai labyrintovyye islands markgama middendorff bay minina skerries mona islands murmansk northern sea route norway novaya zemlya oceanography october revolution island oleniy island pevek pioneer island plavnikovyye islands rastorguyev island ringnes schmidt island scott hansen islands severnaya zemlya severny island shokalsky island siberia sibiryakov island sorevnovaniya island taymyr gulf taymyr island taymyr peninsula tillo islands ushakov island uyedineniya island vaygach island vilkitsky strait vize island vladivostok voronina island yenisei gulf yuzhny island zveroboy islands