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AS 6GE01 - Global Networks (12B) > Hazards > Flashcards

Hazards Flashcards

1
Q

L1 | How many people were killed by the Kashmir earthquake?

A

75,000

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2
Q

L1 | Define geophysical

A

Caused by tectonics

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3
Q

L1 | What is the hazard risk equation?

A

Frequency of hazard * level of vulnerability
_________________________________

Capacity to cope

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4
Q

L1 | What does Dregg’s Model class as a disaster?

A

A hazard (geophysical or hydro meteorological) that is vulnerable to the population (lives or economy)

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5
Q

L1 | What is Nepal’s population?

A

28 million

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6
Q

L2 | What is ENSO?

A

El Nino Southern Oscillation

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7
Q

L2 | Which part of the Pacific ocean does El Nino affect?

A

Eastern

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8
Q

L2 | What is the counterpart to El Nino?

A

La Nina

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9
Q

L2 | What causes El Nino?

A

Trade winds driving water west weaken, warming it up Eastern water closer to South America

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10
Q

L2 | What generally causes La Nina

A

Cooler subsurface water in the tropical Pacific

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11
Q

L3 | What is Thermohaline Circulation?

A

The process of water being transported by different temperatures and salinity

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12
Q

L3 | What is the name of the strongest recorded Typhoon?

A

Haiyan

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13
Q

L3 | How are typhoons formed?

A

A tropical thunderstorm gains moisture from the ocean, heating it up. More evaporation occurs into the eye of the typhoon, forming a circular flow of wind.

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14
Q

L3 | How wide can a cluster be?

A

300 miles

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15
Q

L3 | What is a typhoon called in the North Atlantic ocean?

A

Hurricane

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16
Q

L4 | Define disaster hotspot

A

An area vulnerable to 2 or more hazards

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17
Q

L4 | How many islands does the Philippines consist of?

A

About 7,000

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18
Q

L4 | Name some of the hazards the Philippines are vulnerable to

A

Volcanoes, Earthquakes, Flooding

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19
Q

L4 | When is the Philippines monsoon season?

A

June to September

20
Q

L4 | Which plate does the Philippine plate subduct under during an earthquake?

A

Eurasian

21
Q

L5 | What rank is the Philippines in terms of being a disaster prone country?

A

4th

22
Q

L5 | What hazard is Manila mainly at risk from?

A

Volcanoes (Pinatubo)

23
Q

L5 | Why might Manila be able to afford to fix the disaster?

A

Low levels of poverty

24
Q

L5 | Why are typhoons such a great risk?

A

Very frequent

25
Q

L5 | Why might Manila be at risk of poverty?

A

Increased population and growth costs more for services

26
Q

L6 | What are the sea temperatures in the Philippines?

A

26 degrees

27
Q

L6 | What physical aspect of land makes the Philippines vulnerable to floods?

A

Low-lying land

28
Q

L6 | What’s the name of the 2015 landslide?

A

La Chonchita

29
Q

L6 | What is a landslide?

A

The redistribution of soil and earth due to gravity acting against a sloped area

30
Q

L6 | Name some causes of landslides

A

Slopes, Eroded land (rain), Lack of vegetation (roots) and human stress from weight

31
Q

L7 | Describe the relationship between the Pacific plate and the North American plate

A

Conservative

32
Q

L7 | What fault line is California located on?

A

San Andreas

33
Q

L7 | How do the earthquakes occur

A

When the plates slide past each other, an excess build up of energy gets released in the form of an earthquake

34
Q

L7 | What type of wave released by earthquakes is the main source of damage to land?

A

Surface waves

35
Q

L7 | How much of San Fransisco was destroyed by the 1906 earthquake?

A

80%

36
Q

L8 | What are the causes of droughts in California?

A

Overuse of water, limited supply

37
Q

L8 | Where in California does 75% of its water come from?

A

Sacremento

38
Q

L8 | What is California’s population now?

A

40 million

39
Q

L8 | Which plants are extremely vulnerable to bushfires?

A

Chaparral

40
Q

L8 | Name some factors causing flooding

A

Rivers, Increased surface run off, lakes, groundwater, living of a floodplain

41
Q

L9 | Which hazard is London’s biggest threat?

A

Flooding

42
Q

L9 | Why is Heathrow greatly at risk

A

Flooding cancels loads of flights

43
Q

L9 | What does the River Thames Scheme want to achieve?

A

Flood proof housing

44
Q

L9 | Who are really affected by floods in London?

A

Those living closest to the Thames

45
Q

L9 | How does housing increase flooding chances?

A

More surface run off

AS 6GE01 - Global Networks (12B) (21 decks)

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