rivers Flashcards
75%
1
Q
hydraulic action
A
pressure of water breaks away rock particles- rocks into cracks
2
Q
abrasion/corrrasion
A
sediment carried by river scours the river bed and banks
3
Q
attrition
A
eroded rocks collide and break into smaller fragments
become more smoother and more rounded
4
Q
corrosion/solution
A
carbon dioxide dissolves in the irver to form a weak acid
5
Q
suspension
A
very fine particles are lifted as a result of turbulence and transported by river
6
Q
solution
A
dissolved material is carried by river
7
Q
saltation
A
pebbles/gravel too heavy to be carried in suspension is bounced along the river
8
Q
traction
A
large materials are rolled and pushed along the river bed
9
Q
headward
A
longer
10
Q
vertical
A
deeper
11
Q
laterial
A
wider