Wave Characteristics Most ocean waves derive their energy from the wind Wave height: the vertical distance between trough and peak Wavelength: horizontal.

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Presentation transcript:

TOPIC: Waves and Tides Notes EQ: What are the differences/causes of ocean waves & tides? pg.52-53

Wave Characteristics Most ocean waves derive their energy from the wind Wave height: the vertical distance between trough and peak Wavelength: horizontal distance between two successive troughs or peaks

Length of time wind is blowing The size of the wave depends on 3 factors: Wind speed Length of time wind is blowing The distance the wind has traveled across open water.

Tides The regular changes in the water level of the ocean surface Tides form from the gravitational attraction of the moon.

Sketch this picture in your notes

Tidal Patterns Diurnal: a single high tide and a single low tide each tidal day Semidiurnal: two high tides and two low tides each tidal day

Summary