Antarctic Intermediate Water can be identified throughout much of the South Atlantic based on its temperature, salinity, and dissolved oxygen content.Why is it colder and less salty—and why does it contain more oxygen—than the surface water mass above it and the North Atlantic Deep Water below it?

Antarctic Intermediate Water can be identified throughout much of the South Atlantic based on its temperature, salinity, and dissolved oxygen content.Why is it colder and less salty—and why does it contain more oxygen—than the surface water mass above it and the North Atlantic Deep Water below it?

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Question

Antarctic Intermediate Water can be identified throughout much of the South Atlantic based on its temperature, salinity, and dissolved oxygen content.
Why is it colder and less salty—and why does it contain more oxygen—than the surface water mass above it and the North Atlantic Deep Water below it?

Expert Solution