Two towns that the river Severn flows through
Tewkesbury
Shrewsbury
What happens to river depth as the river flows from source to mouth?
Name of the point where two rivers meet
Confluence
The source of the River Severn
The Cambrian mountains (Plynlimon Hills)
Name two river characteristics, except depth, that increase with distance away from the source
Width
Discharge (amount of water in the river)
Velocity (speed of river)
Name of a smaller river that flows into a larger one
Tributary
Name 2 tributaries of the River Severn
River Wye
River Stour
Name one characteristic that decreases with distance downstream
size of sediment
gradient (slope) of river
Explain what is meant by the term watershed
The line across high land that separates two drainage basins
Explain what an Estuary is
Where the river and the sea mix together.
Explain what happens to lateral erosion in the lower course of the river
It increases as the river has more erosional power or energy
Explain one way that humans may change the drainage basin to increase flood risk
Cutting down trees,
Blocking river flow
Building settlements in the flood plain