Which Ocean has the Highest Salinity?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

The Atlantic Ocean has the highest salinity out of all five ocean basins. Among the Pacific and Indian Oceans, the Atlantic Ocean is thought to be the saltiest. The amount of dissolved salt in water is defined as salinity. When it comes to the climate and the global water cycle, salinity is a critical factor.

Highest Salinity Ocean

The Atlantic Ocean is considered the most saline of all the oceans, including the Pacific and the Indian Oceans. The basic salinity value of the Atlantic Ocean is recorded as the highest in the North Atlantic, at 35.5 parts per thousand. Salinity is a factor that determines the amount of salt dissolved in water and, to a large extent, influences the global climate.

  • The salinity of an ocean is also important in terms of the global water cycle.
  • The salinity of oceans has recently been observed to be decreasing near the Equator and at both poles in particular.
  • With a size of roughly 106,460,000 km2, the Atlantic Ocean is the second-largest of the five oceans that make up the world. It covers about 29% of the water’s surface area and about 20% of the planet’s surface.

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