case studies Flashcards

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1
Q

What percent of global storm surges has occured in bangladest

A

40% of global storm surges has occured in bangladesh

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2
Q

What happened in 1970 in bangladesh

A

Storm surge killed 1/2 million people

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3
Q

What is estimated to happen if there is a 1.5m rise in sea levels in bangladesh?

A

flood 22000km and displace between 15 and 17 million people

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3
Q

What are some economic costs in bangladesh

A

direct flooding and salt intrustion will reduce the countrys gdp

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4
Q

Why are tide levels rising in bangladesh?

A

land subsides because of drainage, dredging and channelisation

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4
Q

What is the result of deforestation of mangroves in bangladesh

A

Reduces the role of stabilising sediments and buffering the coast

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4
Q

What are some social costs in bangladesh

A

shortages of rice and vegetables leading to malnutrition and starvation

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4
Q

What is an example of a tropical cyclone, accompanied by storm surges

A

In 2007, Cyclone sidr caused a 10m storm surge

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5
Q

What were the impacts of cyclone sidr

A

1.7 billion in damage, affected 3 million households

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5
Q

Why is bangladesh more vulnerable to storm surges (shape)

A

Is at the head of bay of bengal, shaped like a funnel.

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6
Q

When was the northsea storm surge 1953 and how many people did it kill in england and netheralnd

A

In 1953, nighttime storm surge killed 307 people in england and 1200 in netherland.

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6
Q

How much did sea levels rise

A

5.6m

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7
Q

Where did flooding occur in the north sea

A

East coast of england (yorkshire to kent)

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8
Q

Why was the flooding so bad in 1953 in the north sea

A

no flooding warning systems, weather forecasts

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8
Q

How much farmland and houses were flooded in the north sea

A

65000 hectare of farmland and 20000 homes

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9
Q

In the storm surge in 2013, how high did the storm surge rise and where

A

6.3m and in norfolk

9
Q

What were the impacts of the flood in 2013?

A

18000 people evacuated, 1400 homes flooded, no deaths

10
Q

How were major impacts avoided

A

Due to thames barrier, better sea defences and better forecasting

11
Q

What are examples of economic losses from coastal recession

A

In the UK the government does not pay compensation to people who lose their homes
Most of coastal erosion happens over a long period of time - properties lose their value.

11
Q

What are social losses from coastal recession

A

ess aesthetically attractive coastline
Living with coastal erosion can impact health because of stress of property

12
Q

What are the consequences of coastal flooding for Australia

A

More than half of australias coasts are vulnerable to coastal flooding if sea levels continue to rise
Sea level rise would threaten the great barrier reef
20cm increase in sea level would cause 1.4 billion worth of ecomomic damage in queensland alone
Tourism would be affected

12
Q

What are the statistics of consequences of coastal flooding for phillipines

A

167000 hectares of coastline predicted to be lost
Typhoon haiyan killed 6300 people

13
Q

What are the consequences of coastal flooding for phillipines

A

isostatic sinking meanwhile sea levels rise
Storm surges such as Typhoon Ketsana
20 tropical cyclones enter philipines waters per year
Typhoon haiyan
Apartment blocks and industies are at risk of flooding

13
Q

How many people live in the phillippines and where

A

100m spread out across low-lying islands

14
Q

What are the statistics of environmental refugees

A

22.5 million people been displaced Due to climate events
By 2050, 18 million people may be displaced in bangladesh