Transport by the Sea (Leaving Cert Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
What are the main processes of coastal transportation?
What are the main processes of coastal transportation?
Longshore drift, currents, and wave action move sediments.
What role does swash play in beach material movement?
What role does swash play in beach material movement?
Swash moves sediments onto the beach after wave impact.
What is backwash in coastal processes?
What is backwash in coastal processes?
Backwash returns water and sediments down the slope.
Describe longshore drift.
Describe longshore drift.
Zig-zag movement of materials caused by oblique waves.
When does longshore drift occur?
When does longshore drift occur?
When waves approach shore at an oblique angle.
What does the backwash do?
What does the backwash do?
Flows straight back down the beach slope.
What role does swash play in beach formation?
What role does swash play in beach formation?
Deposits materials on the beach during wave action.
How does coastal transportation affect beaches?
How does coastal transportation affect beaches?
Shapes the beach through sediment movement.
What happens repeatedly in coastal transportation?
What happens repeatedly in coastal transportation?
Swash and backwash operate to move materials.
What results from repeated wave actions on the beach?
What results from repeated wave actions on the beach?
Zig-zag movement of material along the coast.