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NATIONALGEOGRAPHIC
nationalgeographic.com
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Since National Geographic began making maps in 1915, it has recognized four oceans: the Atlantic, Pacific, Indian, and Arctic Oceans. Starting on the World Oceans Day 2021 (June 8) it has also recognized the ...
The Southern Ocean has a few characteristics that make it stand out from the other 4 oceans:
While the other oceans are defined by the continents that fence them in, the Southern Ocean is defined by a current: the Antarctic Circumpolar Current (ACC), which surrounds it.
The ACC flows from
The ACC is estimated to have been established 34 million years ago, when Antarctica separated from South America.
The ACC has a crucial impact on Earth’s climate: it transports more water than any other ocean cu...
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The 7 unsolved mysteries of the ocean.
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