the eden basin Flashcards
where is the eden basin?
the the north west of England between the mountains of the lake district and the pennines
where does the river flow though?
cumbria
where is the river edens source?
in the pennine hills in cumbria
where si the river edens mouth?
solway firth at the sottish border
why does flooding occur downstream?
because upland areas experience extreme weather conditions
which area in particular is at risk of flooding and why?
Carlisle it is at a confluence
why is rainfall higher in the river basin than the national average?
due to the high relief
what is it called when rain falls in high areas?
orographic rainfall
what increases then lag time of the basin?
the fact that it is long but narrow
the fact that the basin slopes are steep mean what?
that lag time is reduced but peak discharge increases
what is most of the basin made from (rock)?
limestone and sandstone
permeable
what is the top areas of the basin made from?
igneous rocks
impermeable
reduces lag time
what are the land use change that have affected drainage?
deforestation
construction
farming
what has farming done to the soils?
it has made them more compacted due to increases machinery and trampling of livestock
how much has cattle increases by and since when
30%
2000-2009
