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BK3/Unit.3/Ch.3 Voc.

Salinity The measure of the amount of water dissolved salt contained in water.
Density Mass divided by volume; m/v
Continental Shelf Extends from the shore line out to the continental slope.
Sonar A system that uses underwater sound waves to measure distance and locate objects.
Ocean Current A mass of moving ocean water.
Downwelling The movement of water from the surface to greater depths.
Upwelling The vertical movement of the deep water up to the surface.
El Nino Disturbance of wind patterns and ocean currents in the Pacific Ocean.
Longshore Current Overall direction of waves that strike the shore at an angle.
Rip current narrow stream of water that breaks through sandbars and drains rapidly back into deeper waters.
tide periodic rising and falling of the water level of the ocean.
tidal range the difference in height between high tide and low tide.
spring tide extra high tidal bulge during new and full moon.
neap tide extra-low tide occurring during the first and third quarter of the moon phases.
Created by: iGwyn12