Shaping landscapes 4.5: Sediment deposition

Shaping landscapes 4.5: 
Sediment deposition
1 / 16
Slide 1: Slide
AardrijkskundeMiddelbare schoolvmbo b, vwoLeerjaar 1

This lesson contains 16 slides, with interactive quizzes, text slides and 2 videos.

Items in this lesson

Shaping landscapes 4.5: 
Sediment deposition

Slide 1 - Slide

The form of the pebbles in this picture has been caused by ...
1. Weathering
2. Erosion
3. Sediment deposition

Slide 2 - Quiz

Which valley do you see in this picture?
V-shaped valley
U-shaped valley

Slide 3 - Quiz

Sediment deposition

Slide 4 - Drag question

After studying this section, you will be able to:

- Explain how rivers form deltas
- Describe how the Mississippi delta landscape was affected by Hurricane Katrina

Slide 5 - Slide

Sediment deposition
The last step of the exogenous forces is sediment deposition: putting down sedimentary rock.
By rivers: the slower the speed, the smaller the sediment.
Glaciers: morenes

Slide 6 - Slide

Slide 7 - Video

A delta is a landform created by a river due to the deposition of sediments. The landscape is very flat and located just above sea level. 

Slide 8 - Slide

Lower course/ river mouth
1. River slows down in lower course and can no longer carry the sediments

2. Sediments sink downwards

3. When the river deposits more material than the sea can remove it, sediment plumes are formed

Slide 9 - Slide

the Mississippi river is affected by a lot of hurricanes

Slide 10 - Slide

Slide 11 - Video

What needs to be the minimum of the sea temperature to form a hurricane?
18 degrees Celsius
25 degrees Celsius
27 degrees Celsius
34 degrees Celsius

Slide 12 - Quiz

Describe in your own words how hurricanes are formed (use full sentences!)

Slide 13 - Open question

Two other names for hurricanes are:

Slide 14 - Open question

What are the possible effects of a hurricane?

Slide 15 - Open question

Talking point
We live in a delta that is protected by dykes, dunes and dams, but not every delta country can afford this kind of protection. 

Bangladesh for example has little money to invest in flood protection. 
What could be done to make this a fairer situation?

Slide 16 - Slide