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rivers test revision geography (York (physcial causes (alot of rain fall,…
rivers test revision geography
York
human causes
not prepared foss barrier did not work
physcial causes
alot of rain fall
type of geoglogy
storm desmand
rivers that affected
the river ouse river foss
hard engineering
epxnesive longterm
genrally less natural
soft engineering
more natural
less expensive
key terms
cross profiel
river basin
long profile
erosion
hydraulic action
abrasion
attrition
thalweg
rivers physical geography
long profiles shows the gradiant from its source to its mouth
erosion
hydraulic action
water gains power due to speed and erodes rocks by going through small cracks
attrition
small pebbles collide with ech other and break up into several smaller peices
abarasion
rocks damage the sides of the river by colliding with the sides
river landforms
middle cource
meander
ox bow lakes
upper cource
waterfalls
gorges
interlocking spurs
lower cource
flood plains
flat botttemed valleys
uk physical geography
rivers mostly to the south
sedmantary rocks stacked upon layers of certain materials
igneous rocks
formed by volcanic actviity
tees exe line
splits more and less resitant rokc