The Lower Cource Of A River

Question 1

Characteristics of a lower river are

Answer 1

river is much wider

# rivers deeper
# valley floor is flat
# valley floor is wide
# the river meanders

Question 2

The main process occurring here is deposition
Why is this the main process and not erosion

Answer 2

A river in its lower course has lost a lot of its energy to erode

Question 3

Land forms

Answer 3

Most features in the lower course are produced by deposition.

Question 4

A flood plain

Answer 4

This is the area of land which the river flows over and is very flat . During times of flood a river will over flow it’s banks and cover the surrounding land

Question 5

Flood plains

Answer 5

Each time the river floods a thin layer of material called silt is spread over the floodplain
Larger material is deposited along the banks of the river- larger particles dropped first as the water doesn’t have enough energy to carry them

Question 6

Levees

Answer 6

A natural embankment of deposited material. Sometimes strengthened to protect the surrounding area from floods