Glacial Erosion (Leaving Cert Geography): Flashcards
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Practise the cards
10 cards from this deck
What process involves meltwater causing bedrock fractures?
What process involves meltwater causing bedrock fractures?
This process is called plucking during glacial erosion.
How does abrasion affect rock surfaces?
How does abrasion affect rock surfaces?
Abrasion scrapes and erodes surfaces, leaving scratches.
What are striae in glacial geology?
What are striae in glacial geology?
Striae are grooves showing the direction of ice flow.
What impact does ice thickness have on erosion rates?
What impact does ice thickness have on erosion rates?
Thicker ice enhances erosion due to increased pressure.
What is differential erosion?
What is differential erosion?
Different rocks erode at varying speeds, affecting terrain.
Where is Coumshingaun located?
Where is Coumshingaun located?
Coumshingaun is in Co. Waterford, Ireland.
What is a cirque's main feature?
What is a cirque's main feature?
A cirque is a mountain depression with steep sides.
What shape characterizes U-shaped valleys?
What shape characterizes U-shaped valleys?
U-shaped valleys have steep sides and flat floors.
What forms along main U-shaped valleys?
What forms along main U-shaped valleys?
Hanging valleys often form along the main valley sides.
How are fjords created?
How are fjords created?
Fjords form from drowned U-shaped valleys due to sea rise.