River Landscapes in the UK (OCR GCSE Geography A (Geographical Themes)): Flashcards
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Practise the cards
15 cards from this deck
Course (river definition)
Course (river definition)
The path of a river as it flows downhill
Three sections of a river
Three sections of a river
Upper course, middle course, lower course
Three functions of rivers
Three functions of rivers
Erode landscape, transport material, deposit material
What does a river's long profile show?
What does a river's long profile show?
How the gradient (steepness) changes over time
Upper course - gradient
Upper course - gradient
Steep
Upper course - valley shape
Upper course - valley shape
V-shaped valley with steep sides
Upper course - channel characteristics
Upper course - channel characteristics
Narrow and shallow
Middle course - gradient
Middle course - gradient
Gently sloping
Middle course - channel characteristics
Middle course - channel characteristics
Wider and deeper channel
Cross profile definition
Cross profile definition
Imaginary slice across river channel & valley at a point
How does cross profile change downstream?
How does cross profile change downstream?
Becomes flatter & wider (more lateral erosion)
What does lateral erosion do?
What does lateral erosion do?
Widens river valley & channel during meander formation
Where is lateral erosion dominant?
Where is lateral erosion dominant?
Middle and lower courses
What does vertical erosion do?
What does vertical erosion do?
Deepens river valley & channel, making it V-shaped
Where is vertical erosion dominant?
Where is vertical erosion dominant?
Upper course