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Southern Ocean As The World’s Fifth Ocean

The Southern Ocean As The World’s Fifth Ocean:

The National Geographic magazine has recognized the ‘Southern Ocean’ as the world’s fifth ocean.

  • The Southern Ocean is the only ocean ‘to touch three other oceans and to completely embrace a continent rather than being embraced by them’.
  • Its northern limit is a latitude of 60 degrees south.
  • It is also defined by its Antarctic Circumpolar Current that was formed 34 million years ago. The current flows from west to east around Antarctica.
  • The International Hydrographic Organization too had recognized the term in 1937 before repealing it in 1953.