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Flooding in an LEDC Aim:
To understand what happened during the Bangladesh flood of 1998. To produce a report about the Bangladesh floods.
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Starter Find someone who
Knows where Bangladesh is. Can name 3 types of flood defence. Has been in a flood. Can give 3 reasons for flooding Can give 3 impacts of flooding. Can give two benefits of flooding. What is happening? How might it have happened?
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Key words Delta: Landform found at the mouth of a river. Sediment is deposited here. Monsoon: Rainy season LEDC: Less economically developed country.
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Case Study: LEDC floods July to September 1998
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Key Questions Where When Why What Who did the floods happen?
did they happen? did they occur? impacts did the floods have? was involved? When Why What Who
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Where? Bangladesh is located in the continent of Asia and is bordered by India. The flood covered over 2 thirds of the country
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What was Bangladesh like.
Bangladesh is one of the world's most densely populated countries, with its people crammed into a delta of rivers that empties into the Bay of Bengal. Full name: People's Republic of Bangladesh Population: million (UN, 2010) Capital and largest city: Dhaka Area: 143,998 sq km (55,598 sq miles) Major language: Bengali Major religions: Islam, Hinduism Life expectancy: 69 years (men), 70 years (women) (UN)
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Why?
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Causes of flooding Human Physical (Natural)
Increasing population means deforestation in the foothills of the Himalayas. 80% of the land area is a floodplain Deforestation has led to soil erosion which means the river channels get silted up and carry less water. Bangladesh is very low lying and has a monsoon climate. Weight of population is creating subsidence which makes the land more prone to flooding. Two major rivers bring lots of water into Bangladesh. The Ganges and Brahmaputra. Bangladesh is an LEDC and has little money to spend on flood protection as much gets spent of foreign debt. In spring melting snow water from the Himalayas increases water levels.
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What impact did the flooding have
POSITIVE EFFECTS OF FLOODING Water for crops Deposition of rich fertile soil. Ganges delta
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Major roads and railways were swept away.
EFFECTS OF THE 1998 FLOODS: 2 thirds of the land are a covered by water. The capital Dhaka was 2m underwater. 30 million people were made homeless in the floods with many losing all their belongings. 1,070 people died Contamination of water by waste and dead bodies / animals, and the lack of a clean water supply resulted in the spread of disease such as cholera and typhoid. Further deaths from snake bites and other injuries which led to death through the lack of access to medical care. Food supplies damaged as rice stocks and crops destroyed by flood water. Major roads and railways were swept away.
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Total Cost $7 Billion 1070 killed Children can’t get to school. ??
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Your Task Press pack in pairs In your report you must...
Describe the location of the flood Explain the cause of the flood. Describe the impacts of the floods upon people, the economy and the environment. Express my own personal views/opinion about this natural disaster.
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Self and peer Evaluation
Good Okay Need help I am able to describe the location of the flood I can use my knowledge to explain the causes of the flood. I can describe the impacts of the floods upon people, the economy and the environment. I can express clearly my own personal views about this natural disaster.
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Hi, have you heard about.... Plenary:
You have 100 characters to write a text message to your friend to tell them what you have learnt about the floods in Bangladesh this lesson. Hi, have you heard about....
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