Ocean Surface Currents
Streamlike movements of water that occur at or near the surface of the ocean are called?
Surface currents
How fast is the East Australian current?
4.5 mph
Currents change direction when.....? And what is normally called?
They meet landforms and they are called continental deflection.
Stream-like movements of ocean water far below the ocean surface are called what?
Deep currents
Waves are made out of what two components?
Crests and troughs
What four factors control surface currents?
Global winds, the Coriolis effect, continental deflections, and the water temperature
The East Australian Current flows which way?
East Coast Of Australia
Warm currents begin where?
At the equator
Deep currents are mainly controlled by what?
Increased water density
What is the highest point?
Crest
What is the longest surface current is?
The Golf stream
The East Australian Currents transports how many cubic meters of water?
40 million
Cold currents begin where?
At the poles
What effects the density of ocean water?
Temperature and salinity
What is the lowest point?
Trough
How far can surface currents reach?
Several hundred meters and lengths of several thousand kilometers.
How wide and how deep is the current?
100km wide and 1.5km deep
Surface currents... affect the climate in many parts of the world
greatly
Starting at 200 meters deep water becomes what?
The distance between two adjust crests or troughs is called what?
Wavelength
What creates surface currents?
Global winds
The current is much... than in the movie?
bigger and wider
Warm-water cold water changes can disrupt what?
climates in the world
Less dense water always flows on top of...?
dense water
What is the vertical between waves crest and its trough?
Wave height