Paper 1 (Physical Geography) Flashcards

(72 cards)

1
Q

How many volcanoes are on Iceland?

A

130

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2
Q

How often does a volcanic eruption take place on Iceland?

A

Every 5 years

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3
Q

Which 2 tectonic plates make up Iceland?

A

The North American plate
The Eurasian plate

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4
Q

What is the name of the plate boundary that Iceland sits on?

A

The Mid-Atlantic Ridge

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5
Q

What type of plate boundary is the Mid-Atlantic Ridge?

A

Constructive plate margin

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6
Q

How quickly is the Mid-Atlantic Ridge moving away from each other?

A

2.5cm/year

The same rate as fingernails

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7
Q

What is Iceland’s energy mix?

A

Completely green/renewable
- Geothermal energy (from heated rocks due to volcanoes)
- Hydroelectric energy (from many waterfalls)

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8
Q

What fuels all hot water in Iceland?

A

Geothermal energy

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9
Q

How expensive is Iceland’s energy compared to the UK

A

Around 1/3 of the cost of UK energy

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10
Q

Why do people want to live in Iceland?

A
  • Cheap cost of living
  • Environmentally-friendly energy
  • Tourism (country is rich)
  • Beautiful views
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11
Q

What fuels tourism in Iceland?

A
  • Waterfalls
  • Hot springs
  • Geysers
  • Lava fields
  • Volcanoes
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12
Q

How much money does the tourism industry bring in for Iceland?

A

$1.3 billion/year

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13
Q

How is the risk of volcanic effects lowered in HICs (Iceland)?

A
  • Earthquake-resistant buildings
  • Monitoring (seismometers/thermal satellites)
  • Evacuation schemes
  • Risk assessments
  • Drills
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14
Q

Which volcano erupted in 2010 in Iceland

A

Eyjafjallajökull

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15
Q

What were the impacts of the 2010 eruption in Iceland

A

Cancelled 100,000 flights across Europe due to intense ash discharge from the volcano

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16
Q

Where is Montserrat?

A

In the Caribbean islands

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17
Q

On what type of plate boundary does Montserrat lie?

A

Destructive plate margin

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18
Q

What is the capital of Montserrat?

A

Plymouth

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19
Q

What volcano erupted in Montserrat?

A

The Soufriere Hill Volcano

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20
Q

When did the volcano in Montserrat become active?

A

1995

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21
Q

How long had the volcano in Montserrat been dormant for before it erupted?

A

400 years

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22
Q

How much of Montserrat does the exclusion zone cover?

A

2/3 of the island, including Plymouth

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23
Q

What type of lava does Montserrat experience?

A

Viscous, acidic lava

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24
Q

What have been the environmental effects of the volcanic eruption in Montserrat?

A
  • Destruction of coral reefs
  • Further endangerment of the mountain chicken frog
  • Forest and habitat damage
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25
How many Montserratians had to evacuate their homes and how many fled to the UK?
90% of the population was displaced and 2/3 of the population fled to the UK
25
How many people were left on Montserrat after the eruptions?
1,200 people
26
Suggest reasons for staying in Montserrat
- Fertile farmland - Diverse culture - Scenery - Tourism opportunities
27
How can LICs (Montserrat) monitor and plan for Volcanic eruptions?
- Visual signs e.g. smoke - Valleys can show where pyroclastic flows and lahars may travel
28
What category was Typhoon Haiyan?
Category 5 'super' typhoon
29
Where did Typhoon Haiyan hit?
The Philippines
30
When did Typhoon Haiyan hit?
November 2013
31
Where did Typhoon Haiyan form?
Over the Pacific ocean
32
How fast were the winds of Typhoon Haiyan?
275km/hour
33
How high was the storm surge on Leyte?
5 metres
34
How many were killed during Typhoon Haiyan?
6,300 people
35
How many homes were destroyed during Typhoon Haiyan?
40,000 homes
36
What were some secondary effects of Typhoon Haiyan?
- Roads blocked by landslides - Disease outbreaks due to a lack of clean water
37
How many evacuation centres were set up after Typhoon Haiyan?
1,200 centres
38
What were some long-term responses to Typhoon Haiyan?
- Supplies from the UN - Homes were rebuilt in safer areas
39
Where did Hurricane Katrina hit?
Louisiana
40
When did Hurricane Katrina hit?
August 2005
41
Which city did Hurricane Katrina particularly affect?
New Orleans
42
How many died during Hurricane Katrina?
1,800 people
43
How many homes were destroyed during Hurricane Katrina?
150,000 homes
44
How high was the storm surge in New Orleans after Hurricane Katrina?
4.5 metres
45
How many left New Orleans after Hurricane Katrina?
400,000 people, it still hasn't recovered
46
How many businesses went bankrupt in New Orleans after Hurricane Katrina?
2,400
47
How many dollars did Hurricane Katrina do in damage?
$125 billion
48
How many inhabitants of New Orleans evacuated before Hurricane Katrina?
1.7 million people
49
How many people were rescued by lifeguards in New Orleans after Hurricane Katrina?
35,000
50
What percentage of inhabitants of New Orleans couldn't afford to evacuate before Hurricane Katrina?
20-30%
51
What were some long-term responses to Hurricane Katrina?
- Water were pumped into nearby lakes - $20 billion was spent in defence systems
52
What 2 international agreements have been aimed at climate change?
- The Kyoto Protocol - The Paris Agreement
53
When was the Kyoto Protocol?
1997
54
What did the UK manage to do in relation to the Kyoto Protocol?
The UK reduced emissions by 22% by 2012
55
When was the Paris Agreement?
2015
56
What aims were established during the Paris Agreement?
Aims to limit global warming by 1.5 degrees celsius
57
When was the Antarctic Treaty signed?
1959
58
What did the Antarctic Treaty involve?
The banning of military activity and nuclear testing whilst promoting international scientific research, it also set aside disputes regarding territory
59
How big is the Amazon Rainforest?
8.2 billion km squared
60
How many countries does the Amazon Rainforest span?
9 countries
61
How much of the Amazon Rainforest's deforestation is due to pasture and cattle ranching?
63%
62
How much of the Amazon Rainforest's deforestation is due to small-scale farmers?
12%
63
How much of the Amazon Rainforest's deforestation is due to fire?
9%
64
How much of the Amazon Rainforest's deforestation is due to crops?
7%
65
How much of the Amazon Rainforest's deforestation is due to logging?
6%
66
What percentage does the Amazon Rainforest take out of carbon dioxide emissions via photosynthesis?
5%
67
How much carbon is stored in the trees of the Amazon Rainforest?
100 billion tonnes
68
What are some environmental impacts of deforestation of the Amazon Rainforest?
- More soil erosion (less interception and less soil structure) - Decreased soil fertility - Release of 100 billion tonnes of carbon dioxide
69
What are some economic impacts of deforestation of the Amazon Rainforest?
- Fuels economic development in Brazil - Allows for building of power plants - Creates millions of jobs - Brazil is the number 1 exporter of beef - Brazil exported $28 billion worth of metals - Reduced tourism
70
How much money did Brazil make from metals source from the Amazon Rainforest?
$28 billion
71
What majorly affects the rate of deforestation in the Amazon Rainforest?
Political powers