Ocean Surface Currents
Streamlike movements of water that occur at or near the surface of the ocean are called
Surface Currents
The ______________________ is not the fast-flowing warp-tube as it’s portrayed in the movie.
East Australian Current
When currents meet landforms, they change direction. This is known as ____________.
continental deflection
____________ are streamlike 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 East Australian Current ______ flow along the East coast of Australia.
Does
Warm water currents begin near the _______ and carry warm water to other parts of the ocean.
equator
Deep currents are not controlled by wind or the _____________.
Coriolis effect
_____________ is the vertical distance between a waves crest and its trough.
Wave height
Surface currents are controlled by four
factors:
global winds, the Coriolis effect,
continental deflections, and the water
temperature
It does flow _______ from the Great Barrier Reef.
southward
Some surface currents warm and some cool coastal areas ________.
year-round
Deep currents are mainly controlled by increases in water ________.
density
Ocean waves form because of friction between the _______ and the surface of the water.
wind
______, which is one of the longest surface currents, transports 25 times more water than all of the rivers in the world and flows from Florida to Iceland!
The Gulf Stream
Speeds in the core of the EAC are among the ________ in the South Pacific, up to 4.5 mph an hour.
strongest
This causes changes in the ___________ that disrupt the climate in many parts of the world.
atmosphere
____________ and ________ affect the density of ocean water.
Temperature and salinity
Waves move in a _______ pattern.
circular
_________ blowing across the Earth’s surface create surface currents.
Global winds
The East Australian Current transports a staggering ___ million cubic metres of water southward each second.
40
______________ create cooler climates in coastal areas that would be much warmer.
Cold-water currents
Starting at a depth of about ___ meters, the water temperature becomes colder as the depth increases.
200
Sound is a type of _________ that moves through matter and then vibrates our eardrums so we can hear.
wave