Geography- Coast

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  • Created by: jadey4221
  • Created on: 27-01-16 20:15
Hydraulic Action
The waves FORCE water into cracks in the rocks.
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Attrition
The waves knock chunks of rock together. the rocks end up as pebbbles on the beach
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Soloution
The water dissolves solible material from the rock. mainly on cliffs with limestone and chalk because they are made of CaCo2
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Abrasion
Rough seas fling pebbles against the rocks. the pebbles act like sandpaper
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Fetch
the distance of open water over which the wind can blow
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Beach
A deposit of sand or shingle at the coast, often found at the head of a bay
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Crest
the top of a wave
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Swash
the forward movement of a wave up a beach
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Backwash
the backward movement f water down a beach when a wave has broken
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Saltation
bouncing of small rocks and pebbles along the sea beds
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Traction
bigger rocks rolled alng the sea bed
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Suspension
small particles floted and suspend in the water
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Mass Movement
The downhill movement of material under the infulence of gravity
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Landslip
A type of Mass movement common at the coast involving material slipping downhill usually along a cirved slip surface
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Soft engineeering
Methods try to work with the physical and natrual processes withing an area rather than builing large man made stuctures to protect the land from attack
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Hard engineeering
Methods involve using artifical structures to control the forces of nature.
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Pioneer plant
the first plant specis to colonise an area that is well adapted to living in a harsh enviroment
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Vegetation Succession
a sequence of vegetstion species colonisng an envirment
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Types of weahering- Chemical
Destroys minerals when rock comes in to contact with water or air
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Types of weathering - Solution
Dissolving of rocks and minerals by rainwater
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Types of weathering- Carbonation
weathering of limestone ad chalk by acid rainwater
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Types of weathering - Mechanical
physical forces break down or reduce a rock into small fragments
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Types of weathering- Freeze Thaw
repeated cycles of freezing and thawing
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Tyoes of weatheirng- Exfoliation
flaking of the outsides of the rocks caused by reperated cycle of hot and cold
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Types of weathering- - Biological
Caused by living things such as trre roots or burrowing animals
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Other cards in this set

Card 2

Front

The waves knock chunks of rock together. the rocks end up as pebbbles on the beach

Back

Attrition

Card 3

Front

The water dissolves solible material from the rock. mainly on cliffs with limestone and chalk because they are made of CaCo2

Back

Preview of the back of card 3

Card 4

Front

Rough seas fling pebbles against the rocks. the pebbles act like sandpaper

Back

Preview of the back of card 4

Card 5

Front

the distance of open water over which the wind can blow

Back

Preview of the back of card 5
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