Waterfalls form when soft rock sits on top of hard rock
Ox-Bow lakes form when you break a meanders neck
V-shaped valleys form because of vertical erosion
Slip of slopes are a depositional feature
Floodplains have poor soil for farming
How many courses does a river have?
5
2
3
What do you need to form a delta?
A shallow estuary to allow deposited material to build
Weak tidal currents to allow material to build up and not be eroded
Fast flowing river
Levees are formed both naturally and by man
In which course of a river is the land gradient steepest?
Upper
Middle
Lower
The velocity of a river is greatest in the lower course
As water flows over a delta the river branches into many:-
Tributaries
Confluences
Distributaries
Levees
