Ocean Movements.

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Presentation transcript:

Ocean Movements

Ocean Movements Oceans are never motionless The most obvious movements are waves These are normally generated by wind

Wave Characteristics Crest Wavelength Trough Wave height

Wave Height This depends on 3 things Wind speed, wind duration, and fetch Fetch is how big the body of water is that the wind crosses

Breaking Waves When waves approach the shore they lose energy because of friction with the ocean bottom This friction causes the wave to slow down Collapsing waves are called breakers Wave Demo