Floodpalins

Question 1

Define

Answer 1

Large flat areas around the lowland rivers characterised by large amounts of alluvium.

Question 2

Step 1

Answer 2

Lateral deposition
The alluvium is a mixture of sand and gravel eroded from the outside of the meander and built up from deposition on the inside bends as the meander migrates downstream.

Question 3

Step 2

Answer 3

Horizontal deposition

Flood plains are also built up from horizontal layers of sediment deposited by the river during the flooding process.