Distinctively Coastal Processes (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Marine processes
Marine processes
Sea-connected processes: waves, tides, longshore drift
Sub-aerial processes
Sub-aerial processes
Land processes; material broken down in situ (original position)
Sediment budget
Sediment budget
Balance between sediment entering & leaving a coastal cell
Positive sediment budget result
Positive sediment budget result
Progradation: shoreline builds seaward
Hydraulic action
Hydraulic action
Erosive impact of water itself without debris/rock fragments
Wave quarrying
Wave quarrying
Air trapped & compressed in cracks; explosive release weakens rock
Abrasion (corrasion)
Abrasion (corrasion)
Sea uses sediment as tools to grind & wear away the coastline
Attrition
Attrition
Rocks collide with each other, becoming smaller & more rounded
Fetch
Fetch
Distance of open water over which wind blows to generate waves
Lithology
Lithology
Physical & chemical characteristics of rocks, esp. resistance
