Rivers

Question 1

Describe the main features of the upper course of a river

Answer 1

The upper course of a river is a v-shaped valley, steep slopes, narrow river channel. Erosion is vertical and is mainly hydraulic action. Transportation is via traction.

Question 2

Describe the main features of the middle course of a river

Answer 2

The middle course of a river is a u-shaped valley, gently slopes, and a wider channel. Erosion is lateral and is mainly attrition and abrasion.

Question 3

Describe the main features of the lower course of a river

Answer 3

The lower course of a river is low flat valley, wide floodplains, wide river channel. There is less erosion and more deposition. Solution and suspension is common.

Question 4

What formations are found at the upper course of a river?

Answer 4

Waterfalls and interlocking spurs are formations that are formed at the upper course of a river

Question 5

What formations are found at the middle course of a river?

Answer 5

Meanders and oxbow lakes are formations that are formed at the middle course of a river

Question 6

What formations are found at the lower course of a river?

Answer 6

Levees and floodplains are formations that are formed at the lower course of a river