Ice mass that moves and has energy like a wave or river
What glaciers do as they move
1. Pick up or erode material
2. Carry it away, or transport it
Processes of erosion when ice is moving
Abrasion
Plucking
How a corrie forms
1. Abrasion and plucking
2. Freeze-thaw weathering
3. Hollow grows deeper
4. Walls get steeper
Constructive waves
Build up the beach
Spilling waves
Stronger swash
Low amplitude
Longer wavelength
Destructive waves
Remove material from the beach
Plunging waves
Stronger backwash
High amplitude
Shorter wavelength
Concordant coastline
Layers of rock run parallel to the coast
Discordant coastline
Layers of rock run perpendicular to the coast
River long profile
Gradual slope from source to mouth
Processes of erosion
Abrasion
Attrition
Solution
Hydraulic action
Transportation
Rocks and stones being carried along by the river
Types of transportation
Traction
Saltation
Suspension
Solution
v shaped valley
Formed by vertical erosion in the upper course of a river
Flood plain
Wide, flat low-lying area that floods easily
Deposits fine silt called alluvium
Natural banks called levees
Population density of London is about 5700 people per square km
Population density of Cornwall is about 160 people per square km
London's economic importance
Produces 22% of UK's GDP with just 13% of its population
People migrate to London for work
Spending creates a multiplier effect
PQE technique for describing distribution
Pattern
Quantify
Exception
Urban regeneration has both positive and negative impacts
Negative impacts of urban regeneration
Environmental survey results are subjective and can be displayed as mirror graphs
Perception survey results can be displayed as a word cloud
Evaluation should consider accuracy and reliability of data collection
Factors affecting accuracy and reliability of data collection
How do waterfalls form?
Erosion of the riverbed or ground, gradual decrease in elevation, and the water flowing over the edge of a gorge or cliff.
How do waterfalls change over time?
Through erosion, base-leveling, cutting off tributaries, and falls erosion, which can lead to changes in shape, size, and location.
What happens in the lower course of a river?
The lower course is influenced by coastal processes (wave action, tidal action, sediment deposition) and fluvial processes (river mouth modification, estuary formation, delta growth).
What happens in the upper course of a river?
The upper course features mountainous landforms, high gradient, small discharge, weathering and erosion, and coarser sediment transport.
What are some features of a floodplain?
Geomorphic features (alluvial deposits, meanders, oxbow lakes), vegetation and land use (flood-resistant trees, agriculture, recreation/conservation), and flood-related features (flood channels, overbank flow, flood scars).
What is the multiplier effect in economics?
The multiplier effect is the amplification of economic activity resulting from government expenditure or fiscal policy, where initial spending generates new economic activity, which is in turn amplified through the economy.
What are some positive impacts of regeneration?
Economic benefits (job creation, investment, property values), social benefits (community building, improved amenities, enhanced quality of life), and environmental benefits (renewable energy, improved infrastructure, green spaces).
What are some negative impacts of regeneration?
Displacement and gentrification, loss of cultural heritage, environmental concerns, social concerns (increased wealth disparity, overcrowding and traffic).