Oceans Surface Currents
Slides 1 and 2
Slides 1 and 2
Stream like movements of water that occur at or near the surface of the ocean are called
Surface Currents
The Great Barrier Reef. Speeds in the core of the EAC are among the strongest in the South Pacific, up to ___ mph an hour.
4.5 mph
When currents meet land forms, they
Change Direction
Deep currents are not controlled by wind or the _______ effect.
Coriolis
A _________ is the distance between two adjust crests or troughs.
wavelength
The Gulf Stream transports ___times more water than all of the rivers in the world
25
The real East Australian Current is much ___ and much ____ than in the movie
bigger and wilder
Warm water currents begin near the ____ and carry warm water to other parts of the ocean.
equator
___________ are mainly controlled by increases in water density
Deep Currents
Ocean waves form because of __________ between the wind and the surface of the water.
Friction
Surface currents are controlled by ___ factors
4
The East Australian Current transports a staggering _____ cubic metres of water southward each second
40 million
Warm-water currents create warmer climates in ________ that would otherwise be much cooler
Coastal Areas
Ocean water gets _________ when it becomes saltier or gets colder.
Denser
_______________ are waves that require a medium.
Mechanical Waves
Surface currents flow like rivers in ___ patterns around the Earth.
Distinct
The current is almost ____ wide
100 km
Surface currents greatly affect the ______ in many parts of the world.
Climate
Starting at a depth of about _____ meters, the water temperature becomes colder as the depth increases.
200
A wave is defined as a _____________
Transfer of Energy
_____ blowing across the Earth's surface create surface currents
Global Winds
_____ Olympic swimming pools flowing along our coastline, every second.
16,000
Some surface currents warm and some cool coastal areas year-round. This causes changes in the ________
atmosphere
The denser water moves along the ocean floor and eventually travels toward the ________ in the form of a deep current.
equator
The water doesn't actually travel with the wave, but only moves up and down. It's the ____________ that travels with the wave.
energy