what is climate change? · case study—the location and context of mumbai megacity –influences,...
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Name of the hazard Impact on people Impact on the environment
What is Global Atmospheric Circulation? Where do you get high and low pressure?
What is Climate Change?
Natural causes of climate change
Solar variation
Volcanism
Surface impact
Milankovitch Axil tilt
Milankovitch Eccentricity
Milankovitch Precession
What do the UN predict about the future?
The greenhouse effect— A natural process which keeps the Earth warm. Greenhouse gases in the atmosphere act as a blanket and trap solar radiation that is being radiated back out to spade from Earth. Without this the Earth would be much cooler. The enhanced greenhouse effect—Human activity has increased the amount of greenhouse gases being released into the atmosphere. This means the Earth absorbs more solar radiation and as a result is becoming warmer. Human activities— Energy—The demand for energy is increasing as the population increases, standard of living improves, technology improves and people become more affluent. Industry—As people have more disposable income increases so does the demand for products from consumers leading to industrial growth. This leads to more fossil fuels being used. Transport—As cars are becoming more affordable more people are buying and using them. As well as this, flights are now cheaper so people fly more. All modes of transport rely on fossil fuels at present. Farming—As the population has grew the need for more food has increased leading to more intensive agricultural practices that require machinery.
Evidence of human induced climate change
What is the greenhouse effect?
What is the enhanced greenhouse effect?
Consequences of climate change
The Atmosphere operates as a global system which transfers heat around the Earth.
Solar Insolation and radiation –
CORIOLIS EFFECT JET STREAMS Surface Winds Ocean Currents
Evidence for natural climate change -
Ice Cores
Tree Rings
Historical sources
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High Winds
Intense Rainfall
Storm surges
Coastal Flooding
Landslides
How are tropical storms formed?
Intensity of Tropical Cyclones Tropical cyclones need warm water to form, they also need the Coriolis effect for them to rotate hence they are not located at the Equator. As well as this they need—
High humidity– there must be a lot of moisture in the atmosphere.
Rapid cooling– rising air must condense quickly to form the rainbands
Low wind shear– if winds are blowing in different directions in the atmosphere a cyclone cannot form.
Pre-existing low pressure– for the air to rise and generate a storm.
Vulnerability to cyclones Coastal areas
Low lying land
Social Vulnerability
Social inequality (poverty)
Age
Economic Vulnerability
.
Where are they located?
What are the Hazards of Tropical Storms?
How do we measure cyclones?
The impacts of tropical cyclones are linked to a country’s ability to prepare and respond to them Preparing depends on accurate forecasting and effective communication to people at risk. Ways of preparing:
Atmospheric Pressure
Satellite tracking and radar.
Modelling
Communicating information
How can the responding to Tropical Cyclones prevent damage?
Response refers to how people deal
CASE STUDY—Hurricane Katrina, USA (Developed country), 2005 29/08/2005, Hurricane Katrina a category 3 hurricane, made landfall on the South coast of the USA. Preparing Response
CASE STUDY—Typhoon Haiyan, Philippines (Emerging country), 2013 2/11/2013— Typhoon Haiyan was the strongest tropical cyclones on record which was a category 5 on the Saffir-Simpson Scale Preparation Response –.
What causes a storm to dissipate energy?
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Type of plate boundary Description Features produced Example plates and countries.
Convergent (Oceanic and Continental crust)
Convergent (Continental vs Continental)
Divergent plate boundaries
Conservative plate boundary
Planning and Prediction Impacts
Short Term Response Long term responses / Reducing the impact
Impacts Short Term Responses
Long Term Responses Reducing the impact
Layers of the Earth
The Crust—.
The Mantle—
- The lithosphere—
The Asthenosphere—
The Outer Core
The Inner Core .
What are convection currents?
Types of volcanoes Shield
Composite
Hotspot
What are earthquakes and how are they measures?
What are tsunamis?
The amount of damage an earthquake creates depends on several factors:
How can you predict earthquakes and volcanoes?
Preparing for volcanoes and earthquakes Building Design
Education—
Emergency services—
Developed Country Case Study Developing Country Case Study
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4
KEY VOCABULARY
Development Demographic data Colonialism Top-down strategy
Economic Fertility rate Noe-colonialism Bottom-up strategy
Social Birth rate Climate TNC
Political Death rate Health Globalisation
GDP Life expectancy Education Income quintile
HDI Maternal mortality
rate
Topography Externalities
Political Corruption Infant mortality rate Systems of governance NGO
Inequality Population structure International relations Intermediate technology
Developing Country Population pyramid Rostow’s modernisation theory Inter-governmental organisation (IGO)
Developed Country Composite indices Frank’s dependency theory Infrastructure
Emerging Country investment
How do we define and measure development? (describe and explain the following)
GDP Life Expectancy
HDI Corruption Index
Adult Literacy Infant Mortality
How do development theories explain development? FRANK’s Dependency theory
Diagram
Explanation
Name: Development Dynamics 1: What is the scale of global inequality and how can it be reduced?
How does demographic data vary at different levels of development? Describe and explain the differences in the three pyramids
What are the causes and consequences of global inequalities?
SOCIAL HISTORICAL ENVIRONMENTAL ECONOMIC POLITICAL
What are the advantages and disadvantages of
different approaches of development?
Organisation Advantages Disadvs
NGO
TNC
IGO
What are the different approaches to development? Top Down Development
Characteristics:
Key players:
Case study:
How do development theories explain development? ROSTOW’S Modernisation Theory
Diagram
Explanation
What are the different approaches to development? Bottom-Up Development
Characteristics:
Key players:
Case study
Details:
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Developed—e.g. London and Paris
Emerging—e.g. Mexico City and Mumbai
Developing e.g. Lagos
. . .
Features Formal Employment (E.g. Industry—car manufacturer)
Informal Employment (E.g. street seller)
Scale of activity
Large scale—Usually in a factory Small scale– maybe on a street corner
Level of skill
High level skilled work Low level skills
Ease of entry
Needs a lot of funding and equipment to get started.
Needs little funding or equipment to start
Need of capital
Needs a lot of capital to get started and is often funded by governments
Needs little capital to start
Number of workers
Often more than 100 workers Usually a few workers who are generally unemployed
Working conditions
Workers have protection to ensure the environment is safe e.g. accident prevention policies. Usually there are set working hours and some have trade unions to ensure good working conditions.
No protection for workers. No set working hours, may have to pay protection to gangs. There are no trade unions to support workers.
Location Factories Home or on the street
Taxes Pay tax to the government Pay no taxes
Formal and Informal economy
The impact of migration on urbanisation— National migration International migration
Impact of economic change on urbanisation Growth of cities— Decline of Cities
Differences in Urban Economies The developed, emerging and developing countries are at different stages of economic development, which is reflected in their urban economies. The Clark-Fisher model of changing employment helps us determine the stage of economic development of a country. These stages are:
Pre –industrial
Industrial
Post-industrial
Later stage
Cities change overtime and this is reflected in changing land use (How population, distribution changes overtime, characteristics of urban areas)
The number of people living in a city, where they live within the city and how the city shapes itself all change over time. A city may go through each of the following stages:
Urbanisation— .
Suburbanisation
De-industrialisation
Counter-urbanisation
Regeneration
Reurbanisation.
Factors influencing land use:
Accessibility.
Availability
Cost
Planning Regulation
Similarities and differences between developed, developing and emerging countries:
Similarities:
Differences:
Urbanisation is a result of socio-economic processes and change. (migration, national, international, urban economies, type of employment)
Urbanisation is the process by which an increasing percentage of people live in towns and cities. It is mainly caused due to migration from rural areas. Urbanisation is more prominent in emerging and developing countries. By contrast the urban population in developed countries will grow less. Demographers make projections of what they think will happen in the future. Most agree that urban areas will increase and rural areas will decrease. Urbanisation in developed countries—The growth of urban areas in developed countries was a result of the industrial and agricultural revolutions in the 18th and 19th centuries. At this time people moved from rural areas to the urban areas to gain work in factories. Urbanisation has been slow and over a long period of time. It has remained steady in developed countries since the 1980s.
Why functional zones form in cities? Land use zones
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Push Factors Pull factors
CASE STUDY—The location and context of Mumbai Megacity –influences, structure, growth & function
(Site, situation, connectivity, structure, functions)
How has Mumbai’s structure developed? 1. Urban-rural fringe
2. Outer suburbs
3. City-Centre
4. Inner suburbs
CASE STUDY—Mumbai is rapidly growing (Reasons for population growth and how it has affected the pattern of spatial growth and changing urban functions and land use)
Quality of life (QOL)
QOL in Mumbai
Difference in QOL
Reason for differences
Political and economic challenges of manging Mumbai
Opportunities The rise of the service sector
Dharavi industries
Infrastructure benefits.
Challenges Rapid expansion
Traffic congestion.
Housing.
Living with slums
Working conditions
CASE STUDY—Quality of life can be improved through different strategies (Bottom-up, Top-down)
What are top down strategies to improve quality of life What are bottom up strategies?
SPARC and community toilet blocks - What was it? Was it successful?
Hamara foundation - What was it? Was it successful?
Agora Microfinance India - What was it? Was it successful?
Vision Mumbai – What was it? Was it successful?
What are sustainable cities?
Have the schemes improves Dharavi’s QOL
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Depositional landforms:
How is a spit formed?
What landforms and features are found on the Holderness
Coast
Flamborough Head
Mappleton
Spurn Point
How have humans used this stretch of coastline (think about
settlements, which industries? Where?
Mappleton-
Withernsea-
Easington-
Spurn Point-
including management, works in combination with
geomorphic processes to impact the landscape.
Can you define the following key terms?
Hard Engineering:
Soft Engineering:
Discuss some of the different types of coastal management. Make sure to consider the advantages and disadvantages.
Case Study
Holderness Coast
The geomorphic processes operating at different scales and
how they are influenced by geology and climate
How human activity, including management, works in
combination with geomorphic processes to impact the
landscape.
What are the two types of weathering that affect coasts?
What are the four types of coastal erosion?
Can you explain how material is transported along the coast?
Longshore Drift
Coastal landform formed by erosion:
Can you draw a diagram (make sure to annotate) to show the formation of caves, arches, stacks and stumps? Coastal Landforms from Erosion:
Can you draw a diagram to show cliff retreat?
Coastal landform formed by erosion:
Can you explain how headlands and bays are formed?
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Unit 2: UK’s evolving Landscape- Geology
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Course Gradient Valley and channel
shape
Cross
Profile
Upper
Middle
Lower
What are the different types of weathering and mass movement, which
occur in drainage basins?
Mechanical/ Physical weathering
Chemical weathering
Biological Weathering
Soil Creep
Landslide
River Processes
What are the four processes of
erosion?
What are the four processes of
transportation?
Why do rivers deposit
material?
Erosional Landforms:
Explain the formation of a waterfall
Erosional Landforms:
Explain the formation of either a meander and ox-bow lake
Erosional Landforms:
Explain the formation of a v-shaped valley
What are the geomorphic processes operating at different
scales and how they are influenced by geology and climate
How human activity, including management, works in combination with geomorphic processes to impact the landscape.
How has the river been altered by humans? (consider changes to the river, its course, and the river side)
How have they reduced the risk of flooding or its effects?
Ext: Evaluate the different types of river management – What is the most sustainable?
What are the geomorphic processes
operating at different scales and
how they are influenced by geology
and climate
What and where are the main
landforms and features along the
River Tees case study-
Upper course
Mid course
Lower course
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How has London’s populations changed in recent
years?
What is meant by skilled workers?
What is meant by unskilled workers?
What four countries make up the UK? Name each
one and their urban core regions;
1
2.
3.
4.
Describe the population density for each of these
countries:
1.
2.
3.
4
The UK’s Evolving
Human Landscape
How is deprivation measured?
What does IMD stand for?
How do we know that Newham is more deprived
than Richmond?
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Draw a diagram showing the cycle of urban
growth and decline. Annotate where and when
these occurred in London
What is meant by de-industrialisation?
When did deindustrialisation happen in London?
Which areas were most affected by
deindustrialisation?
The UK’s Evolving Human
Landscape
How is deprivation measured?
What does IMD stand for?
How do we know that Newham is more deprived
than Richmond?
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Unit 3: People and the biosphere
Key Terms:
Biome
Ecosystem
Food Chain
Latitude
Altitude
Atmospheric circulation
Biodiversity
Indigenous
Keystone species
Abiotic
Malthus
Boserup
Positive checks
Innovation
Exploitation of global biomes:
Cause /
threat
Cause Consequence
Cattle
ranching
Dam Building
Palm oil
plantation
Mining
Burning fossil
Controls of the biomes / factors affecting location of biomes
Global:
Latitude
Air pressure (weather/ precipitation)
Continentality
Local:
Geology / soil type
Altitude
Human influence
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Compare the Climates of both biomes
What are the layers of
the rainforest? What
would you find in each
layer?
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Unit 3: Consuming energy resources
How oil reserves and production are unevenly distributed?
How access to energy resources is affected by access to technology and physical
resources>
What is the future of the UK’s Energy?