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As Geography-P > Key > Flashcards

Key Flashcards

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1
Q

Isostatic change

A

Local changes where the height of land changes relative to the global sea level

Land rising relative to sea as result of crustal movements

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2
Q

Eustatic change

A

A global change in sea level linked to temperature of earth

Hot = water expands + sea rise

Cold = ocean water colder + contracts = fall in sea levels

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3
Q

Knick points

A

A sharp break of slope in the smooth, concave long profile of a river

Retreat upstream

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4
Q

Incised meander

A

A steep sided meander that is cut into the floodplain

Because of remapped change in base level = increase verticals erosion

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5
Q

River terrace

A

Old floodplains left perched above current flood plain

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6
Q

Landforms created by rejuvenation

A

Knickpoints

Incised meanders

River terraces

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7
Q

What does a drop in base level cause?

A

A response by the river system to carve into the landscape = increase vertical erosion

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8
Q

BR

A

The number of live births per 1000 in a population per year

No. Live births in pop/1000

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9
Q

DR

A

Number of deaths per 1000 of a pop per year

Number of deaths in pop/1000

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10
Q

IMR

A

Number of deaths of infants (1yr + below) per 1000 of pop per year

No deaths of infants in pop/1000

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11
Q

Migration rate

A

Difference of number of people entering or leaving a country per year per 1000

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12
Q

How are waves generated?

A

Wind blowing over sea

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13
Q

Fetch

A

The maximum length of open water over which the wind can blow

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14
Q

Constructive waves

A

Long wave length, low frequency + height

Strong swash + weak backwash

Gentle beach profile but will build up beach making it steeper

Forms berms

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15
Q

Destructive waves

A

Short wavelength, high frequency + height

Weak swash + strong backwash

Steeper beach profile but over time will flatten beach

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16
Q

What type of coastlines do headlands and bays usually form?

A

Discordant

17
Q

Renewable energy

A

It can be replenished at a similar rate to which it’s used

18
Q

Non-renewable energy

A

Can run out and can’t be replaced in the foreseeable future

19
Q

Tides

A

Are variations in sea level caused by gravitational pull of the moon + sun

20
Q

Tidal range

A

The relative difference in height between high tide and low tide

21
Q

Cusps

A

Crescent-shaped indentations that form on beaches of mixed sand and shingle

They are formed where there is a junction between sand and shingle

22
Q

Berms

A

Series of smaller ridges formed beneath the storm ridge

Mark the successive high tides that follow the spring tide through to the neap tide

23
Q

Bar

A

A spit that joins together 2 headlands

Particularly obvious at low tide

24
Q

What % of France’s energy is nuclear?

A

78%

25
Q

What % of UK’s energy is oil and gas?

A

Over 70%

26
Q

What % of France’s energy is nuclear?

A

78%

27
Q

What % of UK’s energy is oil and gas?

A

Over 70%

28
Q

2 types of incised meander

A

Entrenched

Ingrown

29
Q

Entrenched meander

A

Are symmetrical and form when the river down cuts quickly

Little opportunity for lateral erosion to occur

30
Q

Ingrown meander

A

Asymmetrical

Form when the river down cuts at less rapid pace, gives time to erode laterally too

31
Q

2 types of incised meander

A

Entrenched

Ingrown

32
Q

Entrenched meander

A

Are symmetrical and form when the river down cuts quickly

Little opportunity for lateral erosion to occur

33
Q

Ingrown meander

A

Asymmetrical

Form when the river down cuts at less rapid pace, gives time to erode laterally too

As Geography-P (20 decks)

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