theme 1,4 uk landscapes Flashcards

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1
Q

relief

A

height and shape of the land

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1
Q

upland

A

an area of high or relatively high ground

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2
Q

lowland

A

an area of land that is lower than the land around it

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3
Q

geology

A

the types of rock that can be found in an area

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4
Q

management methods for protecting an area

A

protect area status, limiting tourism numbers, maintaining footpaths, education (signs and rules), car parks.

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5
Q

honeypot site

A

a place that attracts a lot of people - eg buckingham palace, the hollywood sign.

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6
Q

source

A

where a river begins

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7
Q

tributary

A

where a small river joins with a bigger river

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8
Q

drainage basin

A

an area of land that is drained by a river and its tributaries.

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9
Q

mouth

A

where a river meets the sea

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10
Q

confluence

A

where 2 or more rivers merge

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11
Q

watershed

A

the boundary of a rivers drainage basin and is usually along a ridge of highland

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12
Q

abrasion

A

the scraping away of river banks and bed by stones picked up in the river flow

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13
Q

hydraulic action

A

the force of the water in the channel hits against the bed and banks - wearing them away

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14
Q

corrosion

A

the dissolving of minerals of rocks being carried away in solution

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15
Q

attrition

A

rocks bang against eachother gradually breaking down into smaller, more rounded shapes.

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16
Q

upper course

A

section at the beginning of a river, near the source. usually upland.

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17
Q

middle course

A

between upper and lower course, water flows slowly. wider than upper course

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18
Q

lower course

A

final section of a river which flows into another body of water. water flows even slower, and has less energy to carry sediment.

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19
Q

long profile of a river

A

a summary of the shape and gradient of a river bed from source to mouth

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20
Q

cross profile of a river

A

the appearance of a river from the side of a river bank to another

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21
Q

vertical erosion

A

downward erosion that deepens the channel. it is a v-shaped valley.

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22
Q

lateral erosion

A

the sideward erosion which widens the river channel

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23
Q

traction

A

rocks rolled along the river bed

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24
Q

saltation

A

smaller rocks/pebbles bounced along the river bed

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25
Q

suspension

A

smaller particles suspended in flow

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26
Q

solution

A

very very small particles carried in flow

27
Q

deposition

A

a river putting down its load

28
Q

river discharge

A

the volume of water passing a river measuring station at a particular time

29
Q

saturated

A

where the soil is no longer able to absorb any additional water

30
Q

surface run off

A

where water flows over the surface rather than the soil

31
Q

flooding

A

where land that is not usually underwater becomes inundated

32
Q

hydrograph

A

plots river discharge after a storm

33
Q

hard engineering

A

involves building artificial structures which try to control rivers. they tend to be more expensive.

34
Q

soft engineering

A

does NOT involve building artificial structures, but takes a more sustainable and natural approach

35
Q

constructive wave

A

swash is bigger than backwash

36
Q

trough

A

the base of the wave

37
Q

destructive wave

A

the backwash is stronger than the swash

38
Q

swash

A

when a wave breaks, water is washed up the beach

39
Q

backwash

A

the water runs back down the beach

40
Q

erosion

A

movement
eg- abrasion, hydraulic action, attrition, solution)

41
Q

crest

A

the top of a wave

42
Q

weathering

A

no movement

43
Q

mechanical weathering

A

any processes where physical disintegration of exposed rock is caused without changing the chemical composition

44
Q

chemical weathering

A

the disintegration of rocks caused by chemical reactions

45
Q

biological weathering

A

the effect that living organisms have on rocks and other inanimate objects
eg- plants and animals

46
Q

slumping

A

bite-shaped chunks are removed from the top of a cliff

47
Q

landslides

A

leaves a concave scar in the upper cliff, like a giant bite mark and a fan shaped pile of debris on the beach

48
Q

rock falls

A

rocks loosened by winter frosts or heavy rainfalls, can fall suddenly to the beach below

49
Q

divergent

A

develop in different directions

50
Q

meander

A

the large bends in the middle and lower courses of the river. formed by erosion and deposition.

51
Q

thalweg

A

the line of fastest flow in a river

52
Q

oxbow lake

A

a curved lake formed from a horseshoe bend in the river when the main stream has cut across the narrow end and no longer flows around the loop of the bend.

53
Q

geology

A

what rocks are made of

54
Q

fetch

A

the area where ocean waves are made by the wind

55
Q

rising sea levels

A

icebergs and glaciers melting due to global warming, causing higher sea levels.

56
Q

dredging

A

removal of sediments and debris that would normally be deposited on the coastline

57
Q

infrastructure

A

the basic foundation of businesses or services

58
Q

wave-cut platforms

A

narrow, flat land below sea cliff, created by erosion

59
Q

spit

A

a long narrow beach that is made of sand or shingle, connected to the mainland but stretches out to the sea

60
Q

headland

A

an area eroded that had alternating layers of soft and hard rock - causing headlands and bays jutting out into the sea

61
Q

slip-off slope

A

gently sloping bank found on the inside of a river bend

62
Q

plunge pool

A

very deep depression at the bottom of a waterfall

63
Q

river cliff

A

outside bank of a curve in a river, continuously being eroded.

64
Q

when is a waterfall made

A

when there is hard rock on top of soft rock