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The [[Southern Ocean]] was defined by the [[International Hydrographic Organization]] in 2000 through a vote of member states.<ref>http://findanswers.noaa.gov/noaa.answers/consumer/kbdetail.asp?kbid=595&start=121</ref> It extends from Antarctica to 60 degrees N [[Lines of latitude|latitude]], a border chosen to include the [[Antarctic Circumpolar Current]].

The [[Southern Ocean]] was defined by the [[International Hydrographic Organization]] in 2000 through a vote of member states.<ref>http://findanswers.noaa.gov/noaa.answers/consumer/kbdetail.asp?kbid=595&start=121</ref> It extends from Antarctica to 60 degrees S [[Lines of latitude|latitude]], a border chosen to include the [[Antarctic Circumpolar Current]].

 

Most [[Australia|Australians]] consider the Southern Ocean to extend further north than the official definition, to meet the south coast of Australia.

The Southern Ocean is the fourth largest [[ocean]] on [[Earth]], ahead of the [[Arctic Ocean]].

The Southern Ocean is the fourth largest [[ocean]] on [[Earth]], ahead of the [[Arctic Ocean]].