Coastal Keywords

  • Created by: 10ruddl
  • Created on: 28-03-14 22:11
The top of a wave
Crest
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Where rock and soil is removed from the surface of the earth, often by wind or water.
Erosion
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Where the flow of water slows down, so sediment can no longer be transported.
Deposition
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All of the dune stages together.
Psammosere
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Allow low-value land to erode with minimal loss to property.
Managed Retreat
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Management using natural resources/processes
Soft Engineering
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Dip between waves
Trough
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Cliff slides and tilts, making a curved cliff.
Slumping
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The force of the waves compresses air in cracks and holes in the cliff, eroding it.
Hydraulic Action
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Certain rock types are slowly dissolved by acidic seas.
Solution
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The force of the waves make rocks smash each other into smaller rocks
Attrition
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Rocks 'sandpaper' a cliff/rocky platform.
Abrasion
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Management that is man-made/goes against nature.
Hard Engineering
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A hollow under a cliff caused by the waves eroding it.
Wave-cut Notch
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Where a cliff has collapsed into a gently sloping rock platform.
Wave-cut Platform
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Used to work out which management strategy to use.
Cost-Benefit Analysis
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Water goes up the beach
Swash
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Water goes back down the beach
Backwash
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Breakup or decay of rocks in their original place or close to the earth's surface.
Weathering
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Wood or rock barriers designed to prevent longshore drift , but can increase erosion in other areas.
Groynes
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Longshore drift combined with a change in wind/coast direction leaves an area of sand that sticks out from the shore which curves in on itself.
Spit
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Bits of rock and sand
Sediment
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Distance of open water where the wind blows
Fetch
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An area of land that sticks out into the sea, generally made of hard rock types.
Headland
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Less resistant rock has been eroded away, leaving a dip in the coast.
Bay
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The earth warming up due to increased amounts of carbon dioxide in the atmosphere
Global Warming
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Water freezing and thawing in a crack in a rock, increasing the size of the crack and eventually splitting the rock.
Freeze-Thaw
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Weak swash, strong backwash-erodes beach/cliff.
Destructive Wave
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Strong swash, weak backwash-builds beaches.
Constructive Wave
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Wire cages filled with pebbles which absorb the wave's energy.
Gabions
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Concrete or rock barrier curved to reflect the wave's energy-used to protect valuable land.
Sea Wall
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Putting sand/shingle on a beach to make it bigger, and not a susceptible to longshore drift.
Beach Nourishment
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Other cards in this set

Card 2

Front

Where rock and soil is removed from the surface of the earth, often by wind or water.

Back

Erosion

Card 3

Front

Where the flow of water slows down, so sediment can no longer be transported.

Back

Preview of the front of card 3

Card 4

Front

All of the dune stages together.

Back

Preview of the front of card 4

Card 5

Front

Allow low-value land to erode with minimal loss to property.

Back

Preview of the front of card 5
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