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Antarctic Circumpolar Current (ACC)


Why is it in the news?

  • Scientists have identified an ancient underwater mountain range concealed within the world’s most robust ocean current, the Antarctic Circumpolar Current (ACC).
  • The discovery took place in the Southern Ocean, an expansive region comprising the southernmost waters below 60 degrees south latitude, encircling the entire Antarctic continent.
Southern Ocean: The Southern Ocean is a distinct body of water that surrounds Antarctica.

Antarctic Circumpolar Current (ACC)

  • The ACC is the only ocean current that flows entirely around the globe.
  • It encircles the Antarctic continent and flows eastward, traversing the southern portions of the Atlantic, Indian, and Pacific Oceans.
  • The ACC is notable for its strength and the comprehensive reach of its influence across multiple ocean basins.
  • The current plays a crucial role in connecting and influencing the Southern Ocean ecosystem, impacting climate and ocean circulation patterns globally.

 

Ocean currents

路聽聽聽聽聽聽 Ocean currents are the continuous, predictable, directional movement of seawater. It is a massive movement of ocean water that is caused and influenced by various forces. They are like river flows in oceans.

路聽聽聽聽聽聽 Ocean water moves in two directions: horizontally and vertically.

路聽聽聽聽聽聽 Horizontal movements are referred to as currents, while vertical changes are called upwellings or downwellings.

路聽聽聽聽聽聽 Ocean currents impact humankind and the biosphere due to their influence on climate.

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