Uk Landscape Flashcards
What is slumping
Permeable rock on top of impermeable cause rotational slip
What is rock fall
A sudden release of rock due to undercutting
Name the four types of erosion
Corrosion, Attrition, Solution, Hydrolicaction
Name three types of weathering
Freeze thaw, soil and rock broken by vegetation and chemical reactions between rain and geology.
What is transportation
The movement of material in the sea: Traction, Saltation, Suspension and Solution
What is Traction
The movement of very large material such as boulders by rolling them along sea floor
What is saltation
The movement of a small amount of material by bouncing along sea bed
What is suspension
The movement of a fine amount of material by suspending it in the water
What is solution
The movement of a very fine amount of material by it being chemically dissolved in the water
What do we get when we have got a high amount of velocity
Erosion and transportation (traction and saltation)
What do we get when we have a slower velocity
Slower transportation (suspension and solution )
Where is erosion done
Cliffs
Where is transportation done
Beaches and material from eroded cliffs
What do we got we have a discordant coast line
A headland and bay from differences in geology
What do we get when we have a concordant coastline
A straight coastline because of there only being one rock type
What is topography
The height and shape of the land
What was the UK’s landscape formed by
Glacial erosion and deposition
Weathering and climatological
Post glacial river and slope processes
How does a wave form
- Prevailing winds
- Friction on the water
- Circular motion
- Friction on sea bed makes elliptical motion
- Fast on top, slow on bottom because of frictional drag
- Wave breaks because the top takes over the bottom
- Swash
- Backwash
What is fetch
The distance in which the winds flow uninterrupted
What conditions make big waves
A long fetch, steep shelving beach, strong winds
What does big waves mean
More erosion
What is the swash of the wave
When the wave breaks water is sent up the beach, this is stronger in constructive waves and weaker in destructive waves
How much land does great Cowdenbeath lose each year
4 metres
Name three hard engineering techniques
Gabions, rock armour and groynes
Name three soft engineering techniques
Offshore reef, sand dunes, beach recycling
