GCSE Grade Booster – for home use
(streaming licence 50p)
This home tutoring video shows students how to achieve top grades in their exams (A* to C / 9 to 5). Typical exam questions, essential exam techniques and model answers are provided for this topic.
Transportation and depositional processes
- Traction, Saltation, Suspension and Solution (Inclusive Diagram)
- Sediment supply and characteristics
- Longshore drift (Sequence Diagram)
- Deposition in coastal areas
The influence of geological structure on the rate of deposition
- Rock type – hard and soft
- Concordant and Discordant (Diagram)
Coastal deposition creates distinctive landforms within the coastal landscape
- Beaches, their profiles and sediment characteristics (Diagram)
- Spits (Sequence Diagram)
- Bars (Diagram)
- Coastal sand dunes (Diagram)
Coastal landscapes modified by human activity
- Urbanisation and development
- Coastal Management – conflict between development and conservation.
- Accelerated erosion resulting from interrupting patterns of longshore drift. (Diagram)
- Effects of coastal recession on people and the environment
Managing Coastal Processes
- Hard engineering - groynes, gabions, rock armour (rip rap) and sea walls (Diagrams)
- Soft engineering - beach nourishment, beach stabilisation, reprofiling, dune regeneration, offshore reefs and wetland creation (Diagrams)
- Advantages and disadvantages or hard and soft engineering.
- Sustainable Approaches such as ‘do nothing’ and ‘strategic realignment’.
- Hazard mapping and emergency planning to reduce risk of coastal flooding.
- Managing coastlines in the face of climate change and rising sea levels.
- Concepts of ‘hold the line’ and ‘managed retreat’.
- Integrated Coastal Zone Management and Shoreline Management Plans (SMP).
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