2. Aims of this lesson
Knowledge:
• Revise causes of flooding and drainage basin processes.
• Develop greater knowledge of the Rhine around Basel
• Describe at least two ways in which Basel has been protected from flooding
• Understand the difference between hard and soft flood protection
Thinking skills:
How do people cause floods?
What are the advantages and disadvantages of different flood protection methods?
Is it possible to control a river and eliminate any chance of flooding?
What might the future hold?
3. What’s going to happen during
the lesson.
An introduction to Basel and the Rhine.
Revision of the drainage basin system. What do
you know?
What has been done to protect Basel from
flooding. The Rhine, the Birisg and the Birs.
Discussion: Is Basel safe? What does the future
hold?
4. Part 1: What causes flooding
The drainage basin system
15. The Birsig, Basel Stadt in 1886
The Birsig und Klosterbergbrücke, Engelsburg in 1886 The Birsig, today this is Falknerstrasse.
16. Why was Basel built on the Rhine
Dry point
Defence
Resources
Fresh water and fish
Fertile flood plain
Transport
Basel was first settled in the 3rd Century BC.
17. Why was Basel built on the Rhine
Mittlere Brucke is the oldest
existing bridge site across
the Rhine, between Lake
Constance and the North
Sea.
The original bridge was
completed around 1224.
18. Basel has changed a lot since then….
View from the Grenzacher Horn 1830
19. Basel has changed a lot since then….
View from the Grenzacher Horn 2019
20. Basel lies on a meander in a broad floodplain.
Basel has changed a lot since then….
