Case Study: Landforms on the Dorset Coast
Coastal landforms on the dorset coast.
The Dorset Coast is also known as the 'Jurassic Coast'. At Lyme Regis, there are lots of soft rock (like clay and shale). In other parts of the Dorset Coast, there is hard rock (like limestone and sandstone). Some major landmarks on the Dorset Coast are:
Durdle Door
- Durdle Door is a famous arch.
- Arches are created when caves in a headland are fully eroded.
- The headland in Dorset is usually made of limestone and sandstone.
Lulworth Cove
- Lulworth Cove is a bay or cove next to the town of West Lulworth.
- The sea had eroded the soft rock (clay) surrounded by the hard rock (limestone) that makes up the headland at Lulworth Cove.
Chesil Beach
- Chesil Beach is a bar that joins an island and the mainland.
- There is also a lagoon behind the bar at Chesil Beach.
Swanage Bay, the Foreland and Studland Bay
- Studland Bay and Swanage Bay are 2 areas of soft rock that have beaches very close to each other.
- Between Studland Bay and Swanage Bay is a headland (called the Foreland). The Foreland has a stack at the end of it called Old Harry.
1 The Challenge of Natural Hazards
1.1 Natural Hazards
1.1.1 Natural Hazards
1.1.2 Types of Natural Hazards
1.1.3 Factors Affecting Risk
1.1.4 People Affecting Risk
1.1.5 Ability to Cope With Natural Hazards
1.1.6 How Serious Are Natural Hazards?
1.1.7 End of Topic Test - Natural Hazards
1.1.8 Exam-Style Questions - Natural Hazards
1.2 Tectonic Hazards
1.2.1 The Earth's Layers
1.2.2 Tectonic Plates
1.2.3 The Earth's Tectonic Plates
1.2.4 Convection Currents
1.2.5 Plate Margins
1.2.6 Volcanoes
1.2.7 Volcano Eruptions
1.2.8 Effects of Volcanoes
1.2.9 Primary Effects of Volcanoes
1.2.10 Secondary Effects of Volcanoes
1.2.11 Responses to Volcanic Eruptions
1.2.12 Immediate Responses to Volcanoes
1.2.13 Long-Term Responses to Volcanoes
1.2.14 Earthquakes
1.2.15 Earthquakes at Different Plate Margins
1.2.16 What is an Earthquake?
1.2.17 Measuring Earthquakes
1.2.18 Immediate Responses to Earthquakes
1.2.19 Long-Term Responses to Earthquakes
1.2.20 Case Studies: The L'Aquila Earthquake
1.2.21 Case Studies: The Kashmir Earthquake
1.2.22 Earthquake Case Study: Chile 2010
1.2.23 Earthquake Case Study: Nepal 2015
1.2.24 Reducing the Impact of Tectonic Hazards
1.2.25 Protecting & Planning
1.2.26 Living with Tectonic Hazards 2
1.2.27 End of Topic Test - Tectonic Hazards
1.2.28 Exam-Style Questions - Tectonic Hazards
1.2.29 Tectonic Hazards - Statistical Skills
1.3 Weather Hazards
1.3.1 Winds & Pressure
1.3.2 The Global Atmospheric Circulation Model
1.3.3 Surface Winds
1.3.4 UK Weather Hazards
1.3.5 Changing Weather in the UK
1.3.6 Tropical Storms
1.3.7 Tropical Storm Causes
1.3.8 Features of Tropical Storms
1.3.9 The Structure of Tropical Storms
1.3.10 The Effect of Climate Change on Tropical Storms
1.3.11 The Effects of Tropical Storms
1.3.12 Responses to Tropical Storms
1.3.13 Reducing the Effects of Tropical Storms
1.3.14 Tropical Storms Case Study: Katrina
1.3.15 Tropical Storms Case Study: Haiyan
1.3.16 UK Weather Hazards Case Study: Somerset 2014
1.3.17 End of Topic Test - Weather Hazards
1.3.18 Exam-Style Questions - Weather Hazards
1.3.19 Weather Hazards - Statistical Skills
1.4 Climate Change
1.4.1 Climate Change
1.4.2 Evidence for Climate Change
1.4.3 Natural Causes of Climate Change
1.4.4 Human Causes of Climate Change
1.4.5 Effects of Climate Change on the Environment
1.4.6 Effects of Climate Change on People
1.4.7 Climate Change Mitigation Strategies
1.4.8 Adaptation to Climate Change
1.4.9 End of Topic Test - Climate Change
1.4.10 Exam-Style Questions - Climate Change
1.4.11 Climate Change - Statistical Skills
2 The Living World
2.1 Ecosystems
2.1.1 Ecosystems
2.1.2 Food Chains & Webs
2.1.3 Ecosystem Cascades
2.1.4 Global Ecosystems
2.1.5 Ecosystem Case Study: Freshwater Ponds
2.2 Tropical Rainforests
2.2.1 Tropical Rainforests
2.2.2 Interdependence of Tropical Rainforests
2.2.3 Adaptations of Plants to Rainforests
2.2.4 Adaptations of Animals to Rainforests
2.2.5 Biodiversity of Tropical Rainforests
2.2.6 Deforestation
2.2.7 Impacts of Deforestation
2.2.8 Case Study: Deforestation in the Amazon Rainforest
2.2.9 Why Protect Rainforests?
2.2.10 Sustainable Management of Rainforests
2.2.11 Case Study: Malaysian Rainforest
2.2.12 End of Topic Test - Tropical Rainforests
2.2.13 Exam-Style Questions - Tropical Rainforests
2.2.14 Deforestation - Statistical Skills
2.3 Hot Deserts
2.3.1 Hot Deserts
2.3.2 Interdependence in Hot Deserts
2.3.3 Adaptation of Plants to Hot Deserts
2.3.4 Adaptation of Animals to Hot Deserts
2.3.5 Biodiversity in Hot Deserts
2.3.6 Case Study: Sahara Desert
2.3.7 Desertification
2.3.8 Reducing the Risk of Desertification
2.3.9 Case Study: Thar Desert
2.3.10 End of Topic Test - Hot Deserts
2.3.11 Exam-Style Questions - Hot Deserts
2.4 Tundra & Polar Environments
2.4.1 Overview of Cold Environments
2.4.2 Interdependence of Cold Environments
2.4.3 Adaptations of Plants to Cold Environments
2.4.4 Adaptations of Animals to Cold Environments
2.4.5 Biodiversity in Cold Environments
2.4.6 Case Study: Alaska
2.4.7 Sustainable Management
2.4.8 Case Study: Svalbard
2.4.9 End of Topic Test - Tundra & Polar Environments
2.4.10 Exam-Style Questions - Cold Environments
3 Physical Landscapes in the UK
3.1 The UK Physical Landscape
3.1.1 The UK Physical Landscape
3.1.2 Examples of the UK's Landscape
3.2 Coastal Landscapes in the UK
3.2.1 Types of Wave
3.2.2 Weathering
3.2.3 Mass Movement
3.2.4 Processes of Erosion
3.2.5 Wave-Cut Platforms
3.2.6 Headlands & Bays
3.2.7 Caves, Arches & Stacks
3.2.8 Longshore Drift
3.2.9 Sediment Transport
3.2.10 Deposition
3.2.11 Spits, Bars & Sand Dunes
3.2.12 Coastal Management - Hard Engineering
3.2.13 Coastal Management - Soft Engineering
3.2.14 Case Study: Landforms on the Dorset Coast
3.2.15 Coastal Management - Managed Retreat
3.2.16 Coastal Management Case Study - Holderness
3.2.17 Coastal Management Case Study: Swanage
3.2.18 Coastal Management Case Study - Lyme Regis
3.2.19 End of Topic Test - Coastal Landscapes in the UK
3.2.20 Exam-Style Questions - Coasts
3.3 River Landscapes in the UK
3.3.1 The Long Profile of a River
3.3.2 The Cross Profile of a River
3.3.3 Vertical & Lateral Erosion
3.3.4 River Valley Case Study - River Tees
3.3.5 Processes of Erosion
3.3.6 Sediment Transport
3.3.7 River Deposition
3.3.8 Waterfalls & Gorges
3.3.9 Interlocking Spurs
3.3.10 Meanders
3.3.11 Oxbow Lakes
3.3.12 Floodplains
3.3.13 Levees
3.3.14 Estuaries
3.3.15 Case Study: The River Clyde
3.3.16 River Management
3.3.17 Hydrographs
3.3.18 Flood Defences - Hard Engineering
3.3.19 Flood Defences - Soft Engineering
3.3.20 River Management Case Study - Boscastle
3.3.21 River Management Case Study - Banbury
3.3.22 End of Topic Test - River Landscapes in the UK
3.3.23 Exam-Style Questions - Rivers
3.4 Glacial Landscapes in the UK
3.4.1 The UK in the Last Ice Age
3.4.2 Glacial Processes
3.4.3 Glacial Landforms Caused by Erosion
3.4.4 Tarns, Corries, Glacial Troughs & Truncated Spurs
3.4.5 Types of Moraine
3.4.6 Drumlins & Erratics
3.4.7 Snowdonia
3.4.8 Land Use in Glaciated Areas
3.4.9 Conflicts in Glacial Landscapes
3.4.10 Tourism in Glacial Landscapes
3.4.11 Coping with Tourism Impacts in Glacial Landscapes
3.4.12 Case Study - Lake District
3.4.13 End of Topic Test - Glacial Landscapes in the UK
3.4.14 Exam-Style Questions - Glacial Landscapes
4 Urban Issues & Challenges
4.1 Urban Issues & Challenges
4.1.1 Urbanisation
4.1.2 Factors Causing Urbanisation
4.1.3 Megacities
4.1.4 Urbanisation Case Study: Lagos
4.1.5 Urbanisation Case Study: Rio de Janeiro
4.1.6 UK Cities
4.1.7 Case Study: Urban Regen Projects - Manchester
4.1.8 Case Study: Urban Change in Liverpool
4.1.9 Case Study: Urban Change in Bristol
4.1.10 Sustainable Urban Life
4.1.11 Reducing Traffic Congestion
4.1.12 End of Topic Test - Urban Issues & Challenges
4.1.13 Exam-Style Questions - Urban Issues & Challenges
4.1.14 Urban Issues -Statistical Skills
5 The Changing Economic World
5.1 The Changing Economic World
5.1.1 Measuring Development
5.1.2 Limitations of Developing Measures
5.1.3 Classifying Countries Based on Wealth
5.1.4 The Demographic Transition Model
5.1.5 Stages of the Demographic Transition Model
5.1.6 Physical Causes of Uneven Development
5.1.7 Historical Causes of Uneven Development
5.1.8 Economic Causes of Uneven Development
5.1.9 Consequences of Uneven Development
5.1.10 How Can We Reduce the Global Development Gap?
5.1.11 Case Study: Tourism in Kenya
5.1.12 Case Study: Tourism in Jamaica
5.1.13 Case Study: Economic Development in India
5.1.14 Case Study: Aid & Development in India
5.1.15 Case Study: Economic Development in Nigeria
5.1.16 Case Study: Aid & Development in Nigeria
5.1.17 End of Topic Test - The Changing Economic World
5.1.18 Exam-Style Questions - The Changing Economic World
5.1.19 Changing Economic World - Statistical Skills
5.2 Economic Development in the UK
5.2.1 Causes of Economic Change in the UK
5.2.2 The UK's Post-Industrial Economy
5.2.3 The Impacts of UK Industry on the Environment
5.2.4 Change in the UK's Rural Areas
5.2.5 Transport in the UK
5.2.6 The North-South Divide
5.2.7 Regional Differences in the UK
5.2.8 The UK's Links to the World
6 The Challenge of Resource Management
6.1 Resource Management
6.1.1 Global Distribution of Resources
6.1.2 Uneven Distribution of Resources
6.1.3 Food in the UK
6.1.4 Agribusiness
6.1.5 Demand for Water in the UK
6.1.6 Water Pollution in the UK
6.1.7 Matching Supply & Demand of Water in the UK
6.1.8 The UK's Energy Mix
6.1.9 Issues with Sources of Energy
6.1.10 Resource Management - Statistical Skills
6.2.1 Areas of Food Surplus & Food Deficit
6.2.2 Increasing Food Consumption
6.2.3 Food Supply & Food Insecurity
6.2.4 Impacts of Food Insecurity
6.2.5 Increasing Food Supply
6.2.6 Case Study: Thanet Earth
6.2.7 Creating a Sustainable Food Supply
6.2.8 Case Study: Agroforestry in Mali
6.2.9 End of Topic Test - Food
6.2.10 Exam-Style Questions - Food
6.2.11 Food - Statistical Skills
6.3.1 Water Surplus & Water Deficit
6.3.2 Increasing Water Consumption
6.3.3 What Affects the Availability of Water?
6.3.4 Impacts of Water Insecurity
6.3.5 Increasing Water Supplies
6.3.6 Case Study: Water Transfer in China
6.3.7 Sustainable Water Supply
6.3.8 Case Study: Kenya's Sand Dams
6.3.9 Case Study: Lesotho Highland Water Project
6.3.10 Case Study: Wakel River Basin Project
6.3.11 Exam-Style Questions - Water
6.3.12 Water - Statistical Skills
6.4.1 Global Demand for Energy
6.4.2 Increasing Energy Consumption
6.4.3 Factors Affecting Energy Supply
6.4.4 Impacts of Energy Insecurity
6.4.5 Increasing Energy Supply - Solar
6.4.6 Increasing Energy Supply - Water
6.4.7 Increasing Energy Supply - Wind
6.4.8 Increasing Energy Supply - Nuclear
6.4.9 Increasing Energy Supply - Fossil Fuels
6.4.10 Carbon Footprints
6.4.11 Energy Conservation
6.4.12 Case Study: Rice Husks in Bihar
6.4.13 Exam-Style Questions - Energy
6.4.14 Energy - Statistical Skills
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Dorset Coastline - Case Study
Sixth form (a levels), hendon school - london.
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Preview text
Dorset has become famous for its Jurassic Coastline – a world heritage site protected because of its extensive rocks and fossils, some dating back 185 million years. It is an example of both a discordant and concordant coast, as well as many different distinct coastal features.
Dorset Coast
4. durlston point.
- Durlston Point is receding due to erosion.
- Weathering on the top of the cliff and marine erosion creating a wave cut notch causes the cliff to weaken.
- Eventually, the cliff will collapse and fall under mass movement, leaving a shallow wave cut platform and new cliff face (further back) for erosion to act upon.
1. Chesil Beach
- It’s a barrier beach connecting the mainland to the Isle of Portland.
- The barrier beach has also created Fleet Lagoon, which is saline (salty).
- The beach is 18 miles long and maximum height of 15m. It is made of pebbles.
2. Weymouth Spit
- A spit formed as the mainland behind changes direction sharply.
- A recent change in the prevailing wind’s direction has caused the spit to curve.
- A salt marsh has formed behind, as the spit offers protection from the sea’s currents.
5. Old Harry & His Wife
- Old Harry & His Wide are an example of a Cave-Arch-Stack-Stump Sequence
- Old Harry is a stack, left separated from the mainland as the arch connecting them collapsed.
- Old Harry’s Wife is a stump, which would have previously been a stack that has eroded, weathered and collapsed.
- The cliffs are made of Cretaceous Chalk, which is strong enough to support itself as a vertical stack.
Chesil Beach
Weymouth Spit
Lulworth Cove
Durlston Point
Ballard Point – Old Harry & His Wife Map Source – lahistoriaconmapas
3. Lulworth Cove
- Formation began after an Ice Age, where a river running to sea became swollen with glacier meltwater.
- Erosion of the river banks and marine erosion at the mouth widens the river.
- Now the sea can access soft rock behind the cliff face, and erosion accelerates to form a cove.
The order of bands of geology along the discordant coast (from North to South) is:
Bagshot Beds of Sand & Chalk
Cretaceous Chalk
Wealdon Sands & Clay
Purbeck / Portland Limestone
- Multiple Choice
Subject : Geography
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