Ocean Surface Currents
What can reach depths of several hundred meters and lengths of several thousand kilometers___________
Surface Currents
The East Australian Current does flow along the ____________
East Australian Current
Some surface currents ______ and some _____ coastal areas year-round
Warm and Cool
_________are stream-like movements of ocean water far below the ocean surface.
Deep Currents
Waves are made of two main components _____ and _____
crests and troughs
The_________of the Earth causes surface currents to move in curved paths rather than straight lines.
Rotation
Speeds in the core of the EAC are among the strongest in the South Pacific, up to ____ mph an hour.
4.5
Surface currents greatly affect the ______ in many parts of the world
Climate
Deep currents are mainly controlled by _______ in water density
increases
A _____ is the highest point and the trough is the lowest point
crest
What is one of the longest surface currents
The Golf Stream
The East Australian Current transports a staggering ________ cubic meters of water southward each second.
40 million
_________currents begin near the equator and carry warm water to other parts of the ocean.
Warm Water
_____and_____affect the density of ocean water.
Temperature and salinity
A _______ is the distance between two adjust crests or troughs.
Wavelength
When Global winds blowing across the Earth’s surface they create__________
Surface Currents
The current is almost 100 km wide and more than ________
1.5 km deep
When currents meet landforms, they change direction. This is known as ____________
continental deflection
_________ gets denser when it becomes saltier or gets colder
Ocean water
Wave height is the ________and________ between a waves crest and its trough.
vertical distance
What four things control Surface Currents
1.global winds
2.the Coriolis effect
3.continental deflections
4.The Water temperature
What is the equivalent to The East Australia Coast transporting water?
16,000 Olympic swimming pools
Cold water currents begin closer to the poles and carry ________ to other parts of the ocean.
cool water
Starting at a depth of about ________ the water temperature becomes colder as the depth increases
200 meters
________form because of friction between the wind and the surface of the water
Ocean aves