Tides and currents

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Description and Tags

Geography

A-Level Geography

AQA

Coastal Systems and Landscapes

11th

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4 Terms

1
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What is the distance in miles from the moon to Earth?

238,000 miles

2
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tides

changes in the water level of seas and oceans caused by the gravitational pull of the moon and the Sun

3
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tidal range

the difference in height between high and low tides

4
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How do rip currents form?

  1. plunging waves cause a temporary build up of water at the top of the beach 

  2. met with resistance from breaking waves, water returning down the beach (the backwash) is forced just below the surface of the breaking waves