River case study Flashcards
What is a case study for a river?
River Ribble, Lancashire, UK
Whats the direction of it’s flow?
Flows southwards and westwards before joining the Irish sea at Preston
What are the hydrography features of this river?
Short lag time
High peak discharge
Rapid rising and receding limbs
What is the effect on:
overland flow
Drainage basin
Over land flow is rapid as rock is impermeable and few large pore spaces
The drainage basin is elongated, increases friction and reduces velocity
What were the levels of rainfall?
1775mm at source
890mm at estuary
Where is urbanisation apparent along the river?
The major tributary along the river calder flowing through concrete surfaces within Burnley
Where is agriculture present along the river?
Farming processes within the Forest of Bowland, overstocking of sheep, soil exposed to erosion- gullying + faster overland flow
