Ocean Surface Currents
Surface currents are controlled by four factors: global winds, the Coriolis effect, continental deflections, and _____________
What is the water temp?
Speeds in the core of the _________ are among the strongest in the South Pacific, up to 4.5 mph an hour.
What is the Eastern Australian Current?
When currents meet landforms, they change__________
Deep currents are mainly controlled by________ in water density.
What is increases?
Waves are made of two main components - crests and_______
What are troughs?
The Gulf Stream, which is one of the longest surface currents, transports __________ more water than all of the rivers in the world and flows from Florida to Iceland!
What is 25 times more
The current is almost ______km wide
What is 100km?
When currents meet _________, they change direction. This is known as continental deflection.
What is landforms?
Temperature and ______affect the density of ocean water.
What is salinity?
A crest is the _______point of a wave?
what is the highest?
Streamlike movements of water that occur at or near the surface of the ocean are called __________
What are surface currents?
The current is more than ______km deep
What is 1.5km?
Warm water currents begin near the equator and carry ______water to other parts of the ocean.
What is warm?
Ocean water gets _______ when it becomes saltier or gets colder
What is denser?
the trough is the _____ point of the wave?
What is lowest?
______________blowing across the Earth’s surface create surface currents.
what are global winds?
The current is more like a ________than a tube
What is a ribbon?
____________currents begin closer to the poles and carry cool water to other parts of the ocean.
What is cold water?
Cold air chills the water ______ at the surface, causing them to move closer together.
What is molecules?
Wave height is the _______distance between a waves crest and its trough.
what is vertical?
Just as with winds, the rotation of the ________ causes surface currents to move in curved paths rather than straight lines.
What is the earth?
The East Australian Current transports a staggering ______ million cubic metres of water southward each second
What is 40 million?
Some surface currents are warm and some ______coastal areas year-round.
What is cool?
Starting at a depth of about _______ meters, the water temperature becomes colder as the depth increases.
What is 200 meters?
Waves move in a ________pattern.
What is circular?