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Erosion Land forms (Managing Costal Landscapes (Training Walls (Either…
Erosion Land forms
Managing Costal Landscapes
Groynes (walls jut out to prevent erosion by stopping waves)
Training Walls
Either side of the river are built to prevent sand blocking harbour mouth
Beach Nourishment
Beach Replenishment moving sand each year to reverse effects of long shore drift
Dunne Planting
Breakwaters - walls that are built out into sea
Seawalls- walls that are built close to coast
Cliff
Waves erodes softer rock leaving behind more durable rock
Cave
Weak spot of the cliff worn away which creates an opening
Gorge
A cave 100's of meters long with collapsed roof
Arch
Shaped like an n - waves pass through the arch
Headland
High Rocky out crops of land that remain
Usually made up of stronger rock that resisted waves
Bay
Softer part of coastline worn away
Happens quicker then headlands
Stack
Soft rock vertical column
Constructive waves
Long and low
Sea materials deposited
Beaches mainly created
Dispositional and erosional waves
Fetch = Wave energy depends on the fetch being the strength and length that the wind has grown