Ocean Surface Currents (Slides 1&2)
Streamlike movements of water that occur at or near the surface of the ocean are called
Surface Currents
The East Australian Current does flow along the _______ of Australia
East coast
Warm water currents begin near the _____ and carry warm water to other parts of the ocean.
Equator
__________are stream-like movements of ocean water far below the ocean surface.
Deep currents
A ____ is the highest point
Crest
The Gulf Stream, transports______ times more water than all of the rivers in the world.
25
Speeds in the core of the EAC are among the strongest in the South Pacific, up to _____ mph an hour.
4.5
Cold water currents begin closer to the poles and carry cool water to other parts of the ocean.
Poles
Deep currents are not controlled by wind or the Coriolis effect deep currents are mainly controlled by increases in water _____.
Density
the _____ is the lowest point.
Through
Surface currents can reach depths of _____ meters and lengths of several thousand kilometers.
Several hundred
The East Australian Current transports a staggering ______ cubic metres of water southward each second.
40 million
Surface currents greatly affect the _____ in many parts of the world.
Climate
Temperature and _____ affect the density of ocean water.
Salinity
A _______ is the distance between two adjust crests or troughs.
Wavelength
the rotation of the Earth causes surface currents to move in _____ rather than straight lines.
Curved paths
The current is almost ___ km wide, and more than 1.5 km deep
100
Warm-water currents create ______ in coastal areas
Warmer climates
Ocean water gets ______ when it becomes saltier or gets colder.
Denser
______ is the vertical distance between a waves crest and its trough.
Wave height
Currents in the Northern Hemisphere turn _____ while currents in the Southern Hemisphere turn counterclockwise.
Clockwise
the real East Australian Current is much ______ and much wilder
Bigger
Cold-water currents create ________ in coastal areas
Cooler climates
Cold air chills the water _______ at the surface, causing them to move closer together.
Molecules
Ocean waves form because of ____ between the wind and the surface of the water.
Friction