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LEDC Tropical Storm Case Study

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LEDC Tropical Storm Case Study. Cyclone One Bravo, Bangladesh. What do you need to revise? ... Gathered intensity in Bay of Bengal and struck SE coast of ... – PowerPoint PPT presentation

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Title: LEDC Tropical Storm Case Study


1
LEDC Tropical Storm Case Study
  • Cyclone One Bravo, Bangladesh

2
What do you need to revise?
  • Where is the cyclone region?
  • What happened?
  • What were the human, economic environmental
    effects of the cyclone?
  • How had things improved since 1991?
  • What relief was available?

3
Where?
  • Gathered intensity in Bay of Bengal and struck SE
    coast of Bangladesh on 19th May 1997.
  • 250km per hr winds caused serious damage
    flooding of the eastern coastal belt of
    Bangladesh, home to approx 4 million people.
  • The worst effects felt along coastal areas such
    as Chittong.
  • The winds continued northwards bringing
    torrential rain to the Himalayas trapping 8 Mount
    Everest base camp expeditions.
  • Effects were similar to those of the cyclone that
    hit the same area in 1991 killing 140,000 but
    this time death tolls were significantly lowered.

4
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5
Human effects
  • 111 people died, 700 injured.
  • 500,000 made homeless.
  • Wells contaminated by sea water.
  • Disease was common.
  • Communication links between Maheshkhali Island
    and the mainland were severely disrupted.

6
Economic effects
  • 608 schools damaged.
  • Fishermen lost their incomes as boats and nets
    were broken.
  • 30,000 hectares of land were damaged.
  • 2000 cows died.
  • Electricity supplies failed in most areas.
  • Roads, bridges cyclone shelters were destroyed.

7
Environmental effects
  • Fish ponds were contaminated.
  • Flood embankments were damaged leading to
    increased risk of flooding.
  • Many low lying islands in Bay of Bengal
    destroyed.
  • Soil erosion in the foothills of Himalayas.

8
How had things improved since 1991?
  • -Quick international aid response, CARE (Worlds
    largest private international relief
    development agency)
  • Low tide
  • Protection schemes
  • After many storms the Bangladeshi government had
    become experts at lessening the death tolls.
  • With the help of International Aid materials for
    building shelter, food, water, clothing, washing
    resources were distributed to where they were
    needed.

9
  • Protection Schemes
  • Earth embankments have been constructed but are
    not high enough or strong enough.
  • In some areas cyclone shelters have been built,
    made of concrete and constructed above floodwater
    levels but in many areas the flimsy housing is
    completely destroyed.
  • Education programmes have been implemented so
    people know how to react and deal with a storm.
  • Tree Planting schemes to absorb the storm surge.

10
Why to people continue to live in areas prone to
tropical storms?
  • LEDC
  • Im a farmer and cant leave my land
  • All my family live here
  • I havent got enough money to live anywhere else
  • Cyclones dont happen very often Ill be ok!

11
Why to people continue to live in areas prone to
tropical storms?
  • MEDC
  • All my friends are here
  • Ive got good insurance
  • My house is well built, it will be alright
  • Ive got a good job and house. Why should I leave?

12
Typical Questions
  • Give 3 reasons why people continue to live in
    areas which are at risk from tropical storms. 3
  • The effects of tropical storms are different if
    they occur in an MEDC rather than an LEDC.
    Explain how the effects are different. Refer to
    examples you have studied. 5
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