Rejuvenation

Question 1

Stage 1 process

Answer 1

Rejuvenation occurs when the base level is lowered, by either ground level rising or a drop in sea level

Question 2

Stage 2 process

Answer 2

This gives the river greater potential energy, increasing its vertical erosion potential

Question 3

Stage 3 process

Answer 3

Long profile of the river is extended and a knickpoint will mark the junction between the original long profile and new one.

Question 4

What are river terraces and how do they form?

Answer 4

former floodplains which have been left above the level of present-day flooding. Formed by increased vertical erosion

Question 5

What are incised meanders and how do they form?

Answer 5

deep, winding valley with steep sides. River is left far below the level of the former floodplain. Formed by increased vertical erosion.