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20.1 How Do the Tides Affect the Ocean?
Updated over a week ago

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This NOAA website explains tides and tidal ranges. It also talks about what makes waves rise and fall.

This Crash Course Astronomy video explains what is happening during the tides. It talks about how the moon affects the tides. It also talks about how the moon is moving away from the Earth slightly every year. This video also discusses why the moon matters for the tides, and how the sun does not have as great of an effect as the moon does. It also describes the spring and neap tides.

The NOAA website gives a brief explanation of what the tides are and when they occur. There is a map that is marked with each kind of tide.

This NauticaLive video explains exactly what the semidiurnal tide and the diurnal tide are. It also talks about the tidal range and flood tide and ebb tide.

The AFP News Agency explains quickly and succinctly how the tidal bulge happens and its influences. It also discusses what influences the tides all over the Earth.

The NOAA website clearly explains what the spring tide and the neap tides are. It also explains that the spring tide has nothing to do with the time of year, but with the concept that the tide springs forth.

This NauticaLive video very simply explains the difference between spring tides and neap tides.

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