Coastal Erosion

Last updated over 5 years ago
8 questions
Note from the author:
Coastal erosion - geography A level
1

A definition of coasts is

5
Draggable itemCorresponding Item
Contructive wave
Maximum distance wind blows over the sea
Destructive wave
The incoming wave, comes in at the same angle the wind blows
Backwash
The wave that returns to the sea, always at 90 degrees due to gravity
Fetch
Builds up the beach as the swash has energy to bring in sediment, but the backwash is weak so it gets left behind.
Swash
Removes sediment from a beach as the backwash is strong enough to entrain particles and return them to the sea.
1

Constructive waves have a short wave length

1

Constructive waves have a short wave height

1

Destructive waves are more frequent than constructive waves

1

The trough is the top of the wave

1

Wave period is the time from trough to trough OR crest to crest

1

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