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Revsison Flashcards🧬🧠 > Geography 🌋 > Flashcards

Geography 🌋 Flashcards

1
Q

When did hurricane Katrina happen?

A

23rd August 2005- 31st August 2005

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2
Q

What category did hurricane Katrina reach?

A

Category 3

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3
Q

What were Katrina’s winds speeds?

A

140 mph

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4
Q

Why are some regions more vulnerable to tropical storms than others + can you name any

A

areas of poverty / with poor construction are more easily damaged ( east coast of America e.g Florida )

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5
Q

What are some methods of planning for hurricanes

A

Weather forecasting , warning of evacuations, storm surge defences

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6
Q

How are hurricanes managed?

A

Build homes away from high risk areas , plan evacuation routes

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7
Q

What are some migration push factors

A

Political factors , not enough jobs , wars , natural disasters

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8
Q

What are some migration pull factors

A

Better way of life , chances for a job

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9
Q

What conditions are needed for a hurricane to form

A

High sea temps above 27 degrees, low pressure- warm moist air, sea deeper than 60 meters , 74 mph winds

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10
Q

How fast do the winds to be to reach category 1 hurricane?

A

74 mph

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11
Q

How many categories are there?

A

5

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12
Q

Name a famous hurricane

A

Katrina, Ian

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13
Q

What is the equation for natural increase

A

Birth rate - death rate

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14
Q

What are some physical barrier of migration

A

Mountain ranges, international borders, immigration restrictions.

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15
Q

When did the world’s population reach 1 billion?

A

1820

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16
Q

What are some words to describe growth on a graph?

A

Slow growth , rapid growth, increased growth ( population ) explosion !

17
Q

What are some ways to describe population

A

Sparsely , densely, clumped, random, unfirom

18
Q

Why do tropical storms decay over land?

A

They no longer are receiving the energy and moisture from the ocean that they need

19
Q

Characteristics of tropical storms

A

Strong winds, heavy rainfall, storm surges, coastal flooding

20
Q

Different location names for tropical cyclones

A

Hurricane- Atlantic and north east pacific oceans
Tropical cyclone -south West Indian Ocean
Typhoon - north west Pacific Ocean

21
Q

Physical hazards of storms

A

Landslides,costal flooding, storm surges, intense rainfall, high winds

22
Q

How are tropical cyclones measured?

A

Saffir Simpson winds scale. Measured diameter in km

23
Q

Social effects of hurricane Katrina

A

Homelessness, jobless, separated some from relatives, some suffered loss

24
Q

Economic effects of Katrina

A

City lost 95,000 jobs. Cost the state billions of dollars

25
Q

Environmental effects of Katrina

A

Oil spill, debris, damaged sewage and water systems, flooding, storms

26
Q

Aging population

A

Increase of number of older people within a population

27
Q

Types of migrants

A

Asylum seekers, refugees, international migrants, internal migrants, illegal migrants

Revsison Flashcards🧬🧠 (7 decks)

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