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 flows which direction from the Great Barrier Reef?
South
Fixed
_____ 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.
Surface currents flow like _____ in distinct patterns around the Earth
Rivers
The EAC transports a whopping _____ cubic metres of water southward each second
40 Million
When Surface Currents meet landforms, they change _____
Direction
Deep currents are not controlled by ____ or _____
Wind, the Coriolis effect
A _____ is the highest point
Crest
Which surface current transports 25 times more water than all of the rivers in the world?
The Golf Stream
16,000
When Surface Currents meet landforms and change direction, that is called _____
Continental Deflections
Starting at a depth of about _____, the water temperature becomes colder as the depth increases
200 Meters
The _____ is the lowest point
Trough
Which surface current flows from Florida to Iceland?
The Golf Stream
The EAC is about _____ wide
100 Kilometres
Some Surface Currents warm and some cool coastal areas _____
Year-round
Ocean water gets _____ when it becomes saltier or gets colder.
Denser
A _____ is the distance between two adjust crests or troughs
Wavelength
What are the four factors that control surface currents?
Global winds, the Coriolis effect, continental deflections, and the water temperature.
The EAC is more than _____ deep
1.5 Kilometres
Climate
Warm water from surface currents replaces colder, _____ water that sinks to the ocean floor
Denser
Ocean waves form because of _____ between the wind and the surface of the water
Friction