Ocean Surface Currents (Slides 1 & 2)
Streamlike movements of water that occur at or near the surface of the ocean are called _________
Surface Current
The East Australian Current flows along the East coast of _______.
Australia
When currents meet landforms, they change _______.
Direction
___ _____are stream-like movements of ocean water far below the ocean surface
Deep currents
What two components are waves made out of?
crests and troughs
The Gulf Stream transports __ times more water than all of the rivers in the world and flows from Florida to Iceland!
25
Speeds in the core get up to __ mph an hour
4.5
Warm water currents begin ____ the equator and carry ___ _____to other parts of the ocean.
Near, Warm Water
What is the difference between surface currents and deep currents?
Surface currents carry warm water on the surface on the water, deep currents carry cold water along the ocean floor.
A ____ is the highest point
crest
What are the four things that control surface currents?
The EAC is ___ km wide
100
Cold water currents begin ____ from the equater and carry ____ _____ to other parts of the ocean.
Away, cold water
Temperature and salinity affect the _____ of ocean water
Density
The _____ is the lowest point
trough
Global winds blowing across the Earth’s surface create _____ ______
Surface currents
The EAC is ___ km deep
1.5
___ ____cause changes in the atmosphere that disrupt the climate
Surface currents
The ______ water moves along the ocean floor.
denser
A ________ is the distance between two adjacent crests or troughs
wavelength
Because of the _____ ______, currents in the Northern Hemisphere turn clockwise while currents in the Southern Hemisphere turn counterclockwise
Coriolis Effect
The East Australian Current transports __ _____ cubic meters of water southward each second.
40 million
___-_____ currents create cooler climates in coastal areas that would be much warmer
Cold water
The ___-____ water flows on top of denser water.
Less-dense
_____ ______ is the vertical distance between a waves crest and its trough
Wave height