River Processes (Leaving Cert Geography): Flashcards
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Practise the cards
10 cards from this deck
What are the three ways rivers shape the landscape?
What are the three ways rivers shape the landscape?
Erosion, transportation, and deposition.
How does gradient affect river erosion?
How does gradient affect river erosion?
Steeper slopes lead to faster flow and more erosion.
What role does discharge play in river erosion?
What role does discharge play in river erosion?
More water increases flow speed, leading to more erosion.
How does river shape affect erosion rates?
How does river shape affect erosion rates?
Narrow channels lead to faster flow and increased erosion.
What is hydraulic action in river erosion?
What is hydraulic action in river erosion?
The force of water dislodges materials from the riverbed.
What is abrasion in the context of river erosion?
What is abrasion in the context of river erosion?
When river load hits bed and banks, smoothing the channel.
What does solution or corrosion mean in river processes?
What does solution or corrosion mean in river processes?
Chemical breakdown of rocks, especially limestone.
What happens during attrition in river transport?
What happens during attrition in river transport?
Stones smoothen from collisions, reducing their size.
What is saltation in river processes?
What is saltation in river processes?
Bouncing of larger particles along the riverbed.
How are suspension and solution different in rivers?
How are suspension and solution different in rivers?
Solution involves dissolved minerals; suspension carries fine materials.