1.8 Eden Basin Flashcards
Where is the Eden Basin located?
north-west england
between mountains of lake district and the pennines
Where does the river drain?
north-east lake district fells and the north-west pennines
Where is the river eden’s source?
pennine hills in south cumbria
Where is the mouth of the river eden?
solway firth at the scottish border
Name some locations where the river flows through
appleby-in-westmorland
carlisle
Is the river rural or urban?
Mainly rural but it does flow through the city of carlise
What are the conditons like in the upland areas that drain into the river eden?
experience extreme weather that can cause flooding downstream, especially in carlisle as it is low lying
Main characterists of the eden basin
rainfall
long and narrow
steep
different rock types
Explain rainfall in the eden basin
higher than the national average becasue of the relief of the area
orographic rainfall
high rainfall meas that lots of water enters the river channels.
What is orographic rain?
It is produces from the lifting of moist air over a mountain
Why is lag time increased?
as the river is long and narrow
Why is lag time reduced and peak discharge increased?
as the slopes within the basin are steep
The different rock types in the river eden and there effect
igneous rock - highest ground, impermeable, slow infiiltration and a high surface runoff, reducing lag time
limestone and sandstone - permeable, fast infiltration and little surface run off increasing lag time, ground stores increase
