Waves

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Fetch
The distance over which the wind has blown
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Swash
The transfer of a waves energy down the beach
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Backwash
The transfer of a waves energy down the beach
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Constructive
A wave that has a greater swash than backwash
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Destructive
A wave that has a greater backwash than swash
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Wave
The movement of the wind across the surface of the sea
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Sub-aerial process
Acting on the Earth's surface, including weathering and mass movement
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Biological weathering
The process of rocks being broken down by living things
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Chemical weathering
When rain falls on rocks such as limestone, a chemical reaction takes place. It makes the rock weak and break down when it is dissolved
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Mechanical weathering
In the cold, rainfall gets in the cracks and it expands by 10% when it is frozen
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Rock falls
Breaking and tumbling
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Slumping
Cliff face slumps down
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Sliding
Small amount of sliding
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Mass movement
The movement of material down a slope due to gravity
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Weathering
The breakdown and decay of rock by natural processes acting on rocks, cliffs and valley sides
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Hold the line
Use sea defences to stop erosion, and so the coast stays where it is today
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Advance the line
Use sea defences to move the coast further into the sea
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Strategic realignment/ strategic retreat
Gradually let the coast erode, and move people and businesses away from the areas of risk. Many involve compensation
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Do nothing
Let nature take its course
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Other cards in this set

Card 2

Front

The transfer of a waves energy down the beach

Back

Swash

Card 3

Front

The transfer of a waves energy down the beach

Back

Preview of the back of card 3

Card 4

Front

A wave that has a greater swash than backwash

Back

Preview of the back of card 4

Card 5

Front

A wave that has a greater backwash than swash

Back

Preview of the back of card 5
View more cards

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