Chapter 12
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Ocean Basins
Regions of Earth’s crust that are covered by seawater.
Salinity
A measure of the salt content of a solution.
Turbidity Current
A gravity-driven current consisting of a dilute mixture of sediment and water with a density greater than that of the surrounding water.
Turbidite
A graded layer of sediment that is deposited by a turbidity current.
Ocean Current
A persistent, dominantly horizontal flow of water in the ocean.
El Niño
An episodic cessation of the normal upwelling of cold water off the coast of Peru.
Thermohaline Circulation
The rising and sinking of water driven by contrasts in water density created by differences in temperature and salinity; this circulation is also known as the ocean conveyor belt.