Earth Science Oceanography

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Deep Ocean Currents
an ocean current formed when cold water flows underneath warm water.
Surface Currents
a horizontal movement of the ocean water and is caused by wind and that occurs near the top of the surface of the water.
Coriolis Effect
the effect of Earth’s rotation on the direction of winds and currents.
Deflect/Deflection
To turn aside or redirect; to cause to go in another direction., To turn aside or redirect; to cause to go in another direction
Density
the amount of matter in a given space.
Salinity
proportion of salt in a solution
Abyssal Plain
broad, flat portion of the deep-ocean basin
Continental Shelf
shallow area of the ocean floor that extends outward from the edge of a continent.
Continental Slope
a steep incline leading down from the edge of the continental shelf.
Trench
a long steep-sided depression in the ocean floor
Mid-Ocean Ridge
An undersea mountain chain where new ocean floor is produced.
Guyot
Flat-topped seamount.
Seamount
an underwater mountain rising above the ocean floor
Continental Rise
the gently sloping surface at the base of the continental slope
Active Margin
A continental margin that is colliding with another plate.
Passive Margin
Edge of a continent along which there is no tectonic activity.
Coastline/Shoreline
the border between land and an ocean, a sea, or a lake.
Global Ocean Conveyor
movement of warm and cold water
Low Latitudes
is an area between 30 degrees north and 30 degrees south of the equator.
High Latitudes
are located between 60° and 90° latitude, in both the Northern and Southern Hemispheres
Gyre
a round shape formed by a series of concentric circles
Thermohaline Circulation
water circulation produced by differences in temperature and/or salinity and partly Density.
Categories: Oceanography