Unit 1 Case Studies

A brief overview of case studies that are useful for the geography unit 1 B GCSE.

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  • Created by: Rae J
  • Created on: 07-06-13 16:07
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Restless Earth Facts Further information
Case Studies
Composite/strato Erupted 1991 Original death toll was 350 people but
volcano ­ Mount Largest eruption in 50 years ­ after secondary affects this increased to
produced 10km2 of eruption 800 people. 20, 000 people who had
Pinatubo (LEDC)
material lived there were displaced, 200, 000
were evacuated pre-eruption and more
Was level 6 on the volcanic
than 8, 000 houses were destroyed with
explosive index
a further 73,000 damaged.
Produced an ash cloud 22
miles high
Shield volcano ­ Largest volcano on the planet Forms the island of Hawaii and has
Mauna Loa Most recent eruption was erupted 39 times since 1832.
Constructive The Eurasian plate separating This is created when two plates move
boundary ­ Mid from the North American plate apart and magma rises to fill the gap.
­Atlantic ridge
Collision boundary - These are fold mountains, created when
Himalayas two plates of equal density collided.
Destructive Where the NAZCA plate meets The Andes were formed on a
boundary the South American plate destructive margin.
Conservative Faults along the west coast of When two plates slide past each other or
boundary ­ San the USA move in the same direction at different
Andreas fault (Caused Mount St Helens) speeds.
Volcanic eruption ­ Erupted May 18th, 1980 It killed 57 people and damaged or
Mount St Helens In Cascade range, Washington, destroyed 200 homes. It was caused by
(MEDC) US a magnitude 5.1 earthquake. It's on the
San Andreas fault line.
Volcano Practise how to respond Japan is an MEDC which is prepared to
management - Concrete lahar channels to respond to volcanic or earthquake
Japan divert mudflow disasters. Japan has a lot of volcanoes so
Cross bracing in buildings has to be ready for disaster.
Concrete shelters
Monitoring volcanoes
Earthquake (MEDC) - March 11th 2011 This earthquake triggered a tsunami to
Japan Magnitude 9.0 strike the coast of Japan. It also
At least 12, 690 people died threatened to cause a nuclear meltdown.
with 500, 000 people being The costs after the primary effects was
over $50 billion and almost destroyed
Japan's economy.

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Earthquake (LEDC) - Earthquake struck 12th January Red cross and several other
Haiti 2010 non-government organisations
7.0 magnitude immediately dispatched help to Haiti.
Death count at least 220, 000 Camps were set up to protect and help
those affected by the earthquake.
At least 1.5million people
America gave some money. Haiti is an
made homeless
LEDC and has to rely on other countries
help.…read more

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Countries letting USA China and India are both developing
off a lot of C02 China countries whose carbon emissions have
India increased vastly.
Future of MEDC Risk of flooding increased Climate change will have huge impacts
with climate Droughts may occur in areas on the economy, people and the
Increased storminess erodes environment in Britain. Flooding will
change - UK cause refugees and droughts may mean
less crops and food.…read more

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Battle for the Facts Further information
Biosphere Case
Goods ­ Amazon Foods ­ fruit, nuts, meat These are all necessities to our way of
Rainforest Materials - Rubber, timbre, fuel living as we need these resources.
Services ­ Climate Regulation These aren't things we can physically
Amazon (atmospheric gas balance) touch however they too help us survive
Nutrient cycle and are essential to our way of life.…read more

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Climate change - East Anglia flooded The biome of the UK will change
UK Droughts dramatically as different plants and
Changes in biodiversity animals will be able to live there.…read more

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Water World Facts Further information
Case Studies
Rising demand Rainfall becomes insufficient as there are
because of too many people who need the water
and there is not enough from the rainfall.
increase ­
Chemical waste - Contains dangerous levels of This is often discharged by factories. It
China fluorine and sulphates. could also be due to plant fertilisers.…read more

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Chongqing a major port,
regulates flood control and is
good for recreational use.
Small scale Allows farmers to use Niger is one of the Worlds least
management ­ more water and get a developed countries so non-government
Niger (Handrill greater yield of crops, its organisations such as Wateraid set up
closer to home and safer ways for them to be able to access
well) water.
use of water.
Some of the wells are
unsafe and easily polluted.…read more

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Rapid coastal Dominant waves come from Rates of erosion are the fastest in
retreat - northeast across the North sea Europe at about 2m per year. Because
Holderness (long fetch) of this it has lots of coastal defences
Rocks are weak boulder clay such as a sea wall, groynes and
Beaches are narrow so don't
protect cliffs
Coastal defences - Sea wall These have different impacts on the
Hunstanton Groynes (both wood and people living there.…read more

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Extreme Facts Further information
Climates (Hot
arid) Case
Adapted plant - Stems to store water Plants in hot arid regions such as the Sa
Cacti Widespread root system / deep roots desert must be able to get water to sur
Spines minimise surface area so less which can be difficult.
loss by transpiration
Waxy surface
Adapted animal - Large flat feet ­ spread surface area in Camels are adapted to survive for long
Camel sand periods of time without water.…read more

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Action to protect Global: Charity work:
extreme 1997 Kyoto summit tried to reach an EFZ, charity works in Zambia. T
environments agreement on cutting greenhouse locals conservation farming
gases. USA didn't sign and China & India methods.
weren't set targets. Non government organisation
The Copenhagen conference in 2008 Oxfam, project Argo-Foresteir i
recognised the significance for limiting Burkino Faso. Farmers are
the global temp. Rise to no more than 2 encouraged to build diguettes.
degrees. No promises made.…read more


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