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Ch. 13 Oceanography

Ch. 13 Oceanography Vocab. Def.

QuestionAnswer
Sonar A system that uses underwater sound waves to measure distance and locate objects.
Salinity The measure of the amount of dissolved salt contained in water.
Upwelling The vertical movement of deep water up to the surface.
Downwelling The movement of water from the surface to greater depths.
Continental shelf Flat gently sloping land submerged around continent & extends from shoreline to continental slope.
Rip current A narrow stream of water that breaks through sandbars and drains rapidly back into deeper water.
Tide Periodic rising & falling of the water level of the ocean due to the gravitational pulls of the Moon & the Sun.
Tidal range The difference in height between high tide and low tide.
Spring tide A tide of large range occurring during the new and full moons
El Nino A disturbance of wind patterns & ocean currents in the Pacific Ocean that causes temporary climate changes.
Density Property of matter representing the mass per unit volume.
Ocean current A mass of moving ocean water.
Created by: jalanda.goff
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