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the wiring under sand dunes to keep them in place

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Made from wood

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Suspension saltation traction

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hydraulic action
abrasion
attrition
solution

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Strong swash
Low frequency
Usually found on beaches/holiday environments

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rock armour- boulders that are piled up along the coast
gabions-a wall of wire cages filled with rocks
beach nourishment
dune regeneration

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Strong backwash

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They’re very contrsuctive and construct things

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Headland, cracks, cave, arch, stack, stump

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Cracks are widened in the headland through the erosion along processes of hydraulic action and abrasion 

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Cracks are widened in the headland through the erosion along processes of hydraulic action and abrasion 

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headland and bay
caves arch stack
wave cut platforms
wave cut notch

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Lagoons, spit, groynes, headland bay, building up beaches, shackle?

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Wind pushes waves at an angle towards the sure , waves pick up sediment and wash it onto the beach at an angle , when waves retreat down the beach at a right angle it drags sediment with it as backwash

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beaches

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Weathering -
Biological - caused by biological components such as flora in which roots burrow into soft rock
Mechanical -

Spits are formed which grow to become a bar. This happens by long shore drift.

Lyme Regis - 4 stages to prevent coastal erosion as it was the fastest eroding coastline in the UK. The third stage was cancelled after a cost benefit analysis. One of the stages involved adding nails into the cliff to strengthen it.

Landforms of erosion -
Headland and bay - formed as soft rock is eroded and the hard rock on the side is more resistant.
Stack is formed as a cave is created. Then an arch is formed which eventually breaks as there is little support that leads to a stack.
Wave cut notch

Destructive waves have a strong backwash and a weak swash. They have a higher frequency at approximately 10-15 a minute. They also have a much higher wavelength compared to constructive waves.

Constructive waves have a weak backwash and a strong swash,p. Add sediment to the beach/coast. They have a lower frequency at approximately 6-8. They have less energy and a lower wave height

Erosion -
Hydraulic action - water gets into cracks and weakens the rock
Abrasion - sediment from waves crashes against cliff sides.
Attrition - rock breaks off and is smoothed in the water.
Solution - sediment dissolves

Hard engineering -
Gabions absorb energy of the waves.
Groynes collect sediment from longshore drift, usually made out of timber.
Sea wall - reflect the water back into the ocean
Rock armour - absorb energy from the water.

Soft engineering -
Dune fencing -
Growth of marram grass - catch sediment in air
Beach nourishment - adding sand to the beach
Beach regeneration -
Managed retreat - sacrifice specific parts of land to save others

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Weathering, rotational slip, the movement of deposition due to this form of erosion

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Freeze thaw cracks the rock

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Erosion, landslide, rotational slip, Holbeck Hall, acid rain