2.3- Catchment area of the Rhine

• Aardrijkskunde
• Middelbare school
• vwo
• Leerjaar 2

Today's lesson

- review of unit 2.2 (together)

- 2.3:

What are the upper- ,middle- and lower reaches of a river like?

What are meanders and oxbow lakes?

Homework 2.3: Q. 1, 3, 6, 7

Place the key terms below the correct image

glacier valley

V-shaped valley

U-shaped valley

rivier valley

erosion by ice

erosion by a river

A river in which the waters main source is rain

A river which consists of mainly meltwater

A river in which the water of the river comes from meltwater and rain

Rain-fed river

Glacier-fed river

Mixed river

Upper reaches

Middle reaches

Lower reaches

A lot of vertical erosion

Sand and clay

Transport

Sedimentation

Boulders, pebbles

Pebbles, sand, clay

Small river

Wide river

Widest river

Old meander (oxbowlake)

Sedimentation

Lower flowrate

Erosion

Outerbend

Upper reaches

Middle reaches

Lower reaches

Here is the source of the river

Water flows slowly

Here is the river mouth

Rivier takes as much material as it leaves

This is where the river meanders

This is where the river meanders most

What are the differences between the upper, middle and lower courses of the River Rhine?

Upper Course

Middle Course

Lower Course

Rocky river bed

High and steep but close river banks

A lot of erosion

Less gradient, but more river discharge

More tributaries

The river splits in three distributaries

Medium size rocks

The river moves particles it has eroded

Small rocks and sand

Today's lesson

- review of unit 2.2 (together)

- 2.3:

What are the upper- ,middle- and lower reaches of a river like?

What are meanders and oxbow lakes?

NOW: Homework 2.3: Q. 1, 3, 6, 7