Ocean Surface Currents (Slides 1 & 2)
Stream like movements of water that occur at or near the surface of the ocean are called____.
Surface Currents
The East Australian Current transports a staggering___
40 million cubic metres of water
When currents meet landforms, they____
change direction.
Deep currents are not controlled by wind or the _____
Coriolis effect.
A crest is the highest point and the trough is the____
lowest point.
Surface currents are controlled by four factors____
global winds, the Coriolis effect, continental deflections, and the water temperature.
The current is almost____
100 km wide, and more than 1.5 km deep
Warm water currents begin near the equator and carry warm water to______
other parts of the ocean.
Deep currents are mainly controlled by _____
increases in water density.
A wavelength is the distance between two adjust___
crests or troughs.
Surface currents can reach depths of____
several hundred meters and lengths of several thousand kilometres.
Speeds in the core of the EAC are among the strongest in the South Pacific____
up to 4.5 mph an hour
Surface currents greatly affect the climate in many parts of_____
the world
Temperature and salinity affect the density of_____
ocean water.
Ocean waves form because of friction between the wind and the _____
surface of the water.
Global winds blowing across the Earth’s surface create____.
surface currents
East Australian Current is a narrow jet that you can jump in and out of as your thrill-seeking self desires______
But actually the real East Australian Current is much bigger and much wilder than in the movie
Some surface currents warm and some cool coastal areas_____
year-round.
Ocean water gets denser when it becomes saltier or __
gets colder.
Waves move in a_____
circular pattern.
The Gulf Stream, which is one of the longest surface currents, transports____
25 times more.
The East Australian Current is not the fast-flowing warp-tube as it’s portrayed in the movie_____
it’s an even better ride than that.
Warm-water currents create warmer climates in coastal areas that would otherwise be much____
cooler.
Cold air chills the water molecules at the surface, causing them to_____
move closer together.
There are lots of waves all around us in___
everyday life.