✅Case Study - Eyjafjallajokull 2010 Flashcards Preview

AQA A Level Geography - PHYSICAL > ✅Case Study - Eyjafjallajokull 2010 > Flashcards

Flashcards in ✅Case Study - Eyjafjallajokull 2010 Deck (27)
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1

What type of plate boundary is Eyjafjallajokull on?

Constructive

2

Where is Eyjafjallajokull?

Southern Iceland

3

Which plates meet on the boundary?

The North American and Eurasian

4

How fast are the plates moving?

2.5cm per year

5

Why does magma rise?

Because there’s lower pressure at the surface

6

What is a Jökulhlaup?

A flow of meltwater from a volcano and ice cap

7

How many people died in the eruption?

0

8

How many people were evacuated?

500 farmers and their families

9

What happened to the roads around the volcano before the eruption?

They were shut down to prevent people using them

10

What did the ash do to local water supplies?

Contaminated them with high concentrations of fluoride

11

How was the ash redistributed?

By winds, pumped high into the atmosphere above Northern and Western Europe

12

Why were the such disruptions to aircraft?

The particles in the ash clog up the plane engines as they attempt to fly through them

13

How much money was lost per day by airlines?

£130 million according to the IATA

14

How many flights were cancelled?

107,000, 48% of total air traffic and affecting 10 million people

15

How did the eruption affect Kenya?

20% of their economy is based on export of green vegetables and flowers to Europe and are transported by air

16

How many Kenyan farmers were temporarily unemployed?

50,000

17

How much CO2 was released into the air every day of the eruption?

30,000 tonnes

18

How did people in rural areas of Iceland have to protect themselves?

They had to wear goggles and face masks to prevent them inhaling the ash or it getting into their eyes. Visibility was less than a few meters.

19

What was done to the main road in Iceland as a primary response to eruption warnings?

The embankments were removed and the road collapsed to prevent further damage by floodwaters.

20

How did the Icelandic Red Cross respond?

By mobilising 35 staff and volunteers, opening four shelters and allowing 200+ people to take refuge there

21

How did Amsterdam’s Schiphol airport respond?

1500 beds were there for stranded travellers

22

What was done to roads after the eruption?

They were reconstructed, including Iceland’s Route 1 to again allow people to move around the country

23

How were flood defences responded to?

They were reconstructed and strengthened to protect locals form any further flooding?

24

What kinds of research were done in response?

Research into the effects of ash on aircraft so that if a similar eruption were to happen then the losses could be minimised

25

What was the response to Iceland’s rivers?

The ash was dug it of the bottom of the. To make them deeper and prevent further flooding

26

What did the Icelandic National Society do?

Provided psychological support particularly for children who had been traumatised by the loud explosions from the eruption.

27

The USGS provided...

...scientists for the ICAO’s international task force and worked with the UK met office to improve ash forecasting