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geography > Physical Landscapes: Glaciers > Flashcards

Physical Landscapes: Glaciers Flashcards

1
Q

What lake in the Lake District is known as a ‘honey pot’ site?

A

Lake Windermere

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2
Q

Give 3 activities at Lake Windermere

A

-water sports
-Wray Castle
-bike rental

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3
Q

What company have attempted to help retore footpaths after erosion in the Lake District?

A

Cat Bells - use large boulders to restore footpath

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4
Q

Give 4 economic activities in the Lake District

A

-farming
-forestry
-quarrying
-tourism

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5
Q

Where does forestry take place in the Lake District?

A

Ennerdale - lots of timber

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6
Q

How do ribbon lakes form?

A

differential rates of erosion

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7
Q

2 characteristics of a ribbon lake

A

-long and narrow
-fills bottom of glacial valley

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8
Q

How many tourists visit the Lake District a year?

A

18 million

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9
Q

How much money does tourism bring the Lake District a year?

A

£1.2billion

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10
Q

Till is a mixture of…

A

unsorted material - different sizes, mainly angular rocks

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11
Q

Example of Ribbon lake in the Lake District

A

Lake Windermere

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12
Q

Ribbon lakes are found in…

A

U shaped valleys

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13
Q

How are hanging valley’s formed?

A

higher levels that experiences less powerful erosion (waterfalls)

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14
Q

Example of a settlement on a valley floor in the Lake District

A

Keswick

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15
Q

Example of an arete in the Lake District

A

Striding Edge

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16
Q

What is an arete?

A

narrow steep ridge between the back walls of 2 corries

17
Q

What is a pyramidal peak?

A

steep sided peak when 3 corries form back to back

18
Q

Pyramidal peak example

A

Snowdon - North Wales

19
Q

How many people live in the Lake District?

A

41,000

20
Q

What is freeze-thaw weathering?

A

break down of rocks in-situ by the action of rainwater

21
Q

What are the benefits of quarrying in the Lake District?

A

-provides jobs locally and nationally
-used in construction

22
Q

What are the challenges of quarrying in the Lake District?

A

-ruins landscape views
-Lake District is a world heritage site, may have to stop

23
Q

What is a drumlin?

A

hill shaped like eggs, made of till

24
Q

What is a corrie?

A

bowl shaped valley with a steep back wall

25
Q

What is a truncated spur?

A

spurs cut throughby ice

26
Q

What is a U-shaped valley?

A

-was v shaped
-eroded by ice
-steep sides, flatter valley floor

27
Q

CORRIE: 1. snow accumulates in a…

A

depression high up (north facing slopes)

28
Q

CORRIE: 2. overtime, snow is compressed into…

A

ice which starts to flow to lower levels

29
Q

CORRIE: 3. back wall becomes steeper due to…

A

plucking

30
Q

CORRIE: 4. freeze-thaw weathering produces…

A

scree which gets incorporated into the glacier

31
Q

CORRIE: 5. corrie becomes deeper due to…

A

abrasion - ice mass slides downshill

32
Q

CORRIE: 6. less erosion at…

A

front of glacier - rock lip forms

33
Q

CORRIE: 7. when all ice is melted a…

A

tarn forms

34
Q

What is bulldozing?

A

when a glacier moves forward it bulldozes piles of rock and debris in front of it - creating a high ridge (moraine)

35
Q

Give 4 types of moraine

A

-lateral
-medial
-ground
-terminal

36
Q

How do ribbon lakes form?

A

differential rates of erosion (parts of valley are over deepened)

37
Q

How do hanging valleys form?

A

tributary glacier - less erosion, hangs above wider main valley

38
Q

How is a U-shaped valley formed?

A

-glacier moving downhill under force of gravity
-abrasion (deeps and widens valley)
-V shape —> U shape

39
Q

How are truncated spurs formed?

A

glacier plucking rock from interlocking spurs

geography (16 decks)

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