River Landforms – Mature Stage (Leaving Cert Geography): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What shape are meanders in the middle course of a river?
What shape are meanders in the middle course of a river?
S-shaped loops
What two processes work together in the middle course to create landforms?
What two processes work together in the middle course to create landforms?
Erosion and deposition
Which part of a meander experiences the fastest-flowing water?
Which part of a meander experiences the fastest-flowing water?
The outer bend
What is hydraulic action in a meander?
What is hydraulic action in a meander?
Water crashing against bank with force
What feature forms on the outer bank due to undercutting and bank collapse?
What feature forms on the outer bank due to undercutting and bank collapse?
A river cliff
Why does deposition occur on the inner bank of a meander?
Why does deposition occur on the inner bank of a meander?
Water flows slowly with less energy
What is the gently sloping feature built from deposition on the inner bank called?
What is the gently sloping feature built from deposition on the inner bank called?
Slip-off slope or point bar
What happens to the valley floor as meanders migrate over time?
What happens to the valley floor as meanders migrate over time?
It widens
What does the bluff line mark?
What does the bluff line mark?
Furthest extent of meander migration
What is a floodplain?
What is a floodplain?
Wide, flat valley floor that floods
How do depositional floodplains form?
How do depositional floodplains form?
Rivers flood & deposit alluvium layers
Why are floodplains valuable for agriculture?
Why are floodplains valuable for agriculture?
Alluvium creates nutrient-rich soils