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48776
Waves and Tides
Description
Geography (Coasts) Mind Map on Waves and Tides, created by maddiemurchie23 on 17/04/2013.
No tags specified
coasts
geography
geography
coasts
Mind Map by
maddiemurchie23
, updated more than 1 year ago
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Created by
maddiemurchie23
over 11 years ago
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Resource summary
Waves and Tides
Constructive waves
Frequency: 6-9 waves per minute
Stronger swash than backwash
Long wave period
Low flat waves
Flat wide beach
Wavelength: large 100m crest-crest
Low energy (deposition)
Destructive waves
Frequency: 11+ waves per minute
Stronger backwash than swash
Short wave period
Tall steep waves
Steep beach
Wavelength: small 20m crest-crest
High energy (transportation)
Spring tide
Tidal range at its largest
The moon is between the earth and the sun
Gravitational pull combines creating biggest bulge of water and largest tide
Highest high tides
Lowest low tides
Neap tide
Small tidal range
The earth, moon and sun form a right angle
Gravitational fields interfere
Lowest high tides
Highest low tides
Tides are the periodic rise and fall in the level of the sea
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