Rivers- Case Studies Flashcards

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1
Q

$37,360 GNP per capita flooding case study

A

Cumbria, U.K. 2009

November

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2
Q

$2,710 GNP per capita flooding case study

A

Pakistan

2010 July/ August

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3
Q

Physical causes of Cumbria flooding

A
  • Heavy rainfall (314 mm in 24 hours)
  • Prolonged rainfall (400mm in 72 hours)
  • Already saturated ground
  • Cockermouth located at confluence
  • Cockermouth built on floodplain
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4
Q

Physical causes for Pakistan flooding

A
  • Prolonged rainfall
  • Heavy rainfall (274mm in 24 hours)
  • Unusual conditions in the polar jet stream
  • Indus river carries a lot of sediment
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5
Q

Human causes of flooding in Cumbria

A
  • Urbanisation on floodplain
  • Bridge at Gote road making a damming effect
  • Poor river management
  • Climate change
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6
Q

Human causes of flooding in Pakistan

A
  • Urbanisation
  • Levees
  • Deforestation in Himalayas
  • Global warming
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7
Q

Short term Impacts of floods in Cumbria

A
  • 500 people evacuated from homes
  • 1 death
  • 20 road bridges destroyed
  • 18 schools shut
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8
Q

Long term Impacts in Cumbria

A
  • Damage homes, businesses & infrastructure £276m bill
  • 110 farms severely affected
  • Tourism suffered £15m
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9
Q

Long term Impacts of flooding in Pakistan

A
  • £10 billion total economic damage
  • 80% of fields waterlogged
  • Lack of clean water and food supplies
  • Increase in malaria
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10
Q

Short term Impacts in Pakistan

A
  • 20 million people injured and homeless
  • 2,000 dead
  • 11,000 schools shut
  • 200 health facilities closed
  • 100s of bridges destroyed
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11
Q

Responses to flooding in Cumbria

A
  • £5.4m to repair roads
  • Army called to build
  • Rescue service
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12
Q

Responses for flooding in Pakistan

A
  • Shelter for 900,000
  • Farmers individually given $230 cash to rebuild
  • Aid from America
  • €1.96 billion requested by Pakistan government for help
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13
Q

Hard engineering case study?

A

Three Gorges Dam, China

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14
Q

Soft engineers case study?

A

River Quaggy, London

Quaggy Waterways Action Group (QWAG)

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15
Q

For three gorges dam

A
  • clean & environmentally friendly
  • protected from risk of flooding
  • many jobs created
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16
Q

Against three gorges dam

A
  • flooded 1m homes
  • silt will be trapped leaving farmland less fertile
  • habitats disturbed e.g. Baiji
  • millions will die if it collapses
17
Q

What happened to river Quaggy?

A

Demolished hard engineering making it sustainable and a great habitat for wildlife as well as preventing flooding for houses further downstream