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 EAC is __ km deep
1.5
Warm water currents begin near ___
the equator
he water temperature become colder as the ___ increases.
depth
True or false sound is a type of wave
True
The Gulf Stream, transport __
times more water than all of the rivers in
the world
25
The EAC is ___ kilometer wide
100
When currents meet landforms, they change __.
direction
Deep currents are mainly controlled by increases in ________.
water density
A ___ is the lowest point in a wave
trough
Surface currents can reach depths of several hundred meters and lengths of _____ kilometers.
several thousand
The East Australian Current transports a staggering __ million cubic meters of water
40
why is Iceland warmer than Greenland
Warm-water currents
what are deep currents
stream-like movements of ocean water far below the ocean surface.
A ___ is the highest point of a wave
crest
Global winds blowing across the Earth’s surface create _____.
surface currents
40 million cubic meters is equal to ____ Olympic swimming pools
16,000
What do suface currents do to the climate?
warm and cool places which can distrupt the atmosphere
Deep currents are not controlled by __ or ___
wind or the Coriolis effect
True or false heat can be a form of wave
True
Just as with winds, the rotation of the Earth causes surface currents to move in curved paths rather than straight lines. Because of the ____ Effect
Coriolis
The EAC moves __ mph
4.5
What type of paterns do currents travel in
Fixed paterns
Ocean water gets denser when it becomes ___ or gets ___
saltier or gets colder
What is a Mecanical wave.
Waves that require a medium