Sec 2 Geography Impacts of Floods (Part 2)
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Transcript of Sec 2 Geography Impacts of Floods (Part 2)
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Floods: How do floods affect people living in cities?
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Play the whole video Students to recall what they have learnt last lesson
regarding the impacts Show contrast between the Singapore flash flood and
Pakistan flood scale of impacts Video Link:
https://www.youtube.com/watch?v=8tQOOrfPetw
Video – Devastating effects of floods in Pakistan
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3
‘Social impacts refer to the effect of an event on the well-
being of people.’
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Social Impacts
Injuries, spread of diseases and loss of
livesHomelessness Disruption to clean
water supply
Recap
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Describe the economic impact of floods with the use of pictures and texts/quotes.
Learning Objectives
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‘Economic impacts refer to the effect of an event on goods and services being produced, sold and bought.’
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Economic Impacts
Damage to machinery and equipment
Damage to transport infrastructure
Disruption to energy supply
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Damage to machinery and equipment
Floods can damage machinery and equipment–Such as drilling machines, cranes and computers–Motors and other electrical components of machines and equipment can be damaged when submerged in water
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Damage to machinery and equipment Example: The 2011 Thailand floods caused extensive
damage to the manufacturing industry
Floods: How Can Cities Prepare For Floods?9
Machinery and
equipment damaged
by floodwater
s
Factories are
unable to operate at full
capacity and
suffer economic
losses
Companies may lose profits
and have to spend money to buy new equipment. People may also
lose their jobs.
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1055 new cars Honda will be scrapped
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Damage to transport infrastructureDuring a flood, transport infrastructure may be submerged or damaged and become impassable
Repair of damaged infrastructure may take a long time, and may be costly
Floods: How Can Cities Prepare For Floods?11
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Damage to transport infrastructureExample: Floods in Serbia and Bosnia in August 2014 damaged transport infrastructure
Floods: How Can Cities Prepare For Floods?12
Transport infrastruct
ure submerg
ed or damaged
by floodwat
ers
People are unable
to travel to work. Tourists
are discouraged from visiting the city.
Overall reductio
n in producti
vity, employment and profits
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Airport Road, Tacloban, Philippines
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Disruption to energy supplyFloods can disrupt the supply of energy –During floods, roads may be damaged or submerged in
water–Due to impassable roads, trucks may thus not be
able to transport petrol from terminals to gas stations
Floods: How Can Cities Prepare For Floods?14
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Disruption to energy supply
Floods: How Can Cities Prepare For Floods?15
During floods, power lines
may be damage
d and power
outages may
occur. These power
failures can last
for weeks before
they are restored.
Due to the lack
of electricity, factories
and companie
s are unable
to operate.
Disruption to
energy supply may
result in loss of employment and
income for
individuals and
companies.
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Step 1: Read the text Step 2: State the economic impact. Step 3: Describe the impact by supporting it with evidence from source.(You can underline the evidence in your text) Example: Economic impact: Damage to machinery and
equipment Describe: 1055 new cars Honda will be scrapped
Source – Text/ Article
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Layers of meaning Step 1: Describe what you see from the picture and write your answers in the first box.
Step 2: Using your answers from the first box, further infer what might happen before the picture was taken.
Source – Picture
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Practice Time!
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Source A
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1.State what is the economic impact in source A. (1m) Damage to machinery and equipment
2.Describe the economic impacts of flood by supporting it with evidence from the source A (3m). The flood has caused automobile companies to stop production. This led to a fall in supply of automobiles. Companies suffered substantial loss. People may also lose their jobs.
Source A
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Picture 1:Trooper Marcus Gonzales walks on the Highway 12 bridge over the Blanco River in Wimberley, Texas on Sunday
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Q1: What does the photography definitely tell me? (Describe the photograph)(1m)
Highway 12 has become impassable due to the large trees that have fallen.
Picture 1
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Q2: What can I infer from the photograph? State the economic impacts. (4m)
Damage to transport infrastructure – The force of the floodwater was so powerful that it causes large trees to fall onto the highway. Hence causing the highway to be impassable.
Disruption to energy supply – As the highway is impassable, trucks which transport gasoline from terminals to gas stations are unable to do so.
Picture 1
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Picture 2: Typhoon Hagupit ripped out power lines.
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Q1: What does the photography definitely tell me? (Describe the photograph) (1m)
Power lines are being destroyed.
Picture 2
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Q2: What can I infer from the photograph? State the economic impact. (4m)
Disruption to energy supply - During floods, power lines may be damaged and power outages may occur. These power failures can last for weeks before they are restored. Due to the lack of electricity, factories and companies are unable to operate. Disruption to energy supply may result in loss of employment and income for individuals and companies
Picture 2
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Which sector suffer the most and least economic losses ?
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Which sectoral production is severely flooded?
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Which sectoral production is not affected by flood?
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Which sectoral production is experiencing ongoing threat?
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Show the before and after of the flood. Homes in Canmore Bow River overflowed its banks Three days after the flood in High River (height of the
flood) Trans-Canada Highway Website link:
http://www.macleans.ca/news/canada/alberta-flood-then-and-now/
Alberta flood, June 2013
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http://www.dailymail.co.uk/news/article-2864155/Almost-million-head-emergency-shelters-Typhoon-Hagupit-makes-landfall-Philippines.html
http://www.theguardian.com/world/gallery/2012/oct/31/superstorm-sandy-us-east-coast-in-pictures
http://www.ibtimes.co.uk/typhoon-haiyan-anniversary-40-powerful-photos-storm-that-devastated-philippines-1473294
Pictures showing impacts of flood
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Economic Impacts
Damage to machinery
and equipment
Damage to transport
infrastructure Disruption to energy supply
Recap
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1.Describe the types of floods 2.Explain the causes of floods 3.Describe the socio-economic
impact of floods with the use of pictures, tables, graphs, text/quotes
Closure for Flood