Ocean Surface Currents (Slides 1 & 2)
Surface currents flow like rivers in distinct patterns around the
Earth
The East Australian Current does flow along the___Coast of Australia,
East
If Earth's surface were covered only with ___, currents would travel in a fixed pattern across the Earth
water
____ currents are stream-like movements
Deep
Waves are made of ___ main components
two
Streamlike movements of water that occur at or near the surface of the ocean are called
Surface Currents
the South Pacific, up to____mph an hour.
4.5
When currents meet _____, they change direction
landforms
Deep currents are not controlled by wind or the _____ effect
Coriolis
A ___ is the highest point and the trough is the lowest point
crest
Surface currents are controlled by____factors
four
the East Australian Current is a narrow___ that you can jump in and out
Jet
Warm water currents begin near the
equator
________ and salinity affect the density of ocean water
Tempature
Wave ____ is the vertical distance between a waves crest and its trough.
Height
The Gulf Stream, which is one of the longest surface currents, transport____times
25
The East Australian Current transports a staggering __ million cubic metres
40
_____ water currents begin closer to the poles and carry cool water
cold
Starting at a depth of about ___ meters, the water temperature becomes colder as the depth increases.
200
Ocean waves form because of _____ between the wind and the surface of the water. Waves move in a circular pattern.
friction
Global winds blowing across the Earth’s surface create
surface currents
That is the equivalent of ____ Olympic swimming pools
16,000
red, and ___ water
cold
The denser water moves along the ocean floor and eventually
travel
_______ waves are waves that require a medium
Mechanical