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'''Peter I Island''' is an uninhabited [[high island|volcanic]] [[island]] in the [[Bellingshausen Sea]], {{convert|450|km}} from [[Antarctica]]. It is [[territorial claims in Antarctica|claimed]] as a [[Dependent territory|dependency]] of [[Norway]], and along with [[Bouvet Island]] and [[Queen Maud Land]] comprises one of the [[dependencies of Norway|three Norwegian dependent territories]] in the [[Antarctic]] and [[Subantarctic]]. Peter I Island is {{convert|11|by|19|km}} long and {{convert|156|km2}}, slightly larger than [[Staten Island]]. The tallest peak is the [[Ultra-prominent peak|ultra]] and {{convert|1640|m|adj=on|sp=us}} tall [[Lars Christensen Peak]]. Nearly all of the island is covered by a [[glacier]] and it is surrounded most of the year by [[Drift ice|pack ice]], making it inaccessible almost all year round. There is little life on the island apart from seabirds and [[pinniped|seals]]. '''([[Peter I Island|Full Article...]])'''
[[File:Kontio_tow.jpg|250px|left]]
'''[[Drift ice]]''' is the sea ice of the [[Southern Ocean]]. It extends far north in winter and retreats almost to the coastline each summer. Sea ice is frozen seawater that is usually less than a few meters thick. This is in contrast to [[Ice shelf|ice shelves]], which are formed by glaciers, float in the sea, and are up to a kilometer thick. There are two subdivisions of sea ice: fast ice, which is attached to land; and ice floes, which are not.
 
Sea ice in the Southern Ocean melts from the bottom instead of from the surface like Arctic ice because it is covered in snow. As a result, melt ponds are rarely observed. On average, [[Antarctica|Antarctic]] sea ice is younger, thinner, warmer, saltier, and more mobile than Arctic sea ice. Due to its inaccessibility, it is not as well-studied as Arctic ice.
 
'''([[Drift ice|Full Article...]])'''

Latest revision as of 16:39, 25 October 2024

Kontio tow.jpg

Drift ice is the sea ice of the Southern Ocean. It extends far north in winter and retreats almost to the coastline each summer. Sea ice is frozen seawater that is usually less than a few meters thick. This is in contrast to ice shelves, which are formed by glaciers, float in the sea, and are up to a kilometer thick. There are two subdivisions of sea ice: fast ice, which is attached to land; and ice floes, which are not.

Sea ice in the Southern Ocean melts from the bottom instead of from the surface like Arctic ice because it is covered in snow. As a result, melt ponds are rarely observed. On average, Antarctic sea ice is younger, thinner, warmer, saltier, and more mobile than Arctic sea ice. Due to its inaccessibility, it is not as well-studied as Arctic ice.

(Full Article...)