Ocean surface currents slides (1&2)
Stream like movements of water that occur at or near the surface of the ocean is called...?
Surface currents
The East Australian Current does flow along the ______ coast.
East
Currents would travel in fixed ______ across the Earth.
patterns
____ ______ are stream like movements of ocean water far below the ocean surface.
Deep currents
Name one main thing waves are made of.
crests
troughs
Whats one factor surface currents are caused by?
Global winds
Coriolis effect
continental deflections
water temperature.
The East Australian Current transport __ Million cubic meters of water southwards each second.
40
When currents meet _______ they change direction.
landforms
Deep currents are mainly controlled by ______ in water density.
increase
A _____ is the highest point of a wave.
crest
The gulf stream is one of the _______ surface currents.
Largest
The current is almost __ km wide
100
When currents change direction it is known as...?
Continental deflection
surface currents carry _____, less dense water from the equator to the poles.
warmer
A ______ is the lowest point of a wave.
trough
Surface currents can reach the depths of ______ meters and lengths of several thousand kilometers.
hundred
Speeds in the core EAC are among the strongest in the south pacific, up to ___ mph an hour.
4.5
Water currents begin near the..?
Equator
Water from deep currents does what to replace water leaving in surface currents...?
Rise
___________ waves that require medium.
Mechanical
Because of the _______ _____, Currents in the northern hemisphere turn clockwise while currents in the southern hemisphere turn counterclockwise.
Coriolis Effect
What way does the East Australian Current flow?
Southward
Surface currents greatly affect the ______ in many parts of the world.
climate
Temperature and salinity affect the _____ of ocean water
density
________ is a type of wave that moves through matter and then vibrates our eardrum so we can hear.
Sound