1. What are the human and physical causes of floods?
Starter: Look at the pictures on the board and write down a list of the causes of floods

2. Write down as many of the causes of the 2004 Bostcastle flood
Write down as many of the causes of the 2004 Bostcastle flood

3. From your list decide if they’re physical or human
Rock type
Gradient
Urbanisation
Amount of rain
Length of rainfall
Temperature
Size and shape of drainage basin
Vegetation

4. Annotate pictures with human and physical causes using pg 72 and 73
From the causes create a mind map with linking effects

10. Question:
5. Use the figures 2(a) and 2(b) to describe the links between the changes in land use and surface run-off in Long Eagle Creek drainage basin. (5)
6. Explain how two of the physical characteristics of a drainage basin can increase the risk of flooding. (10)

11. Plenary…
Humans make bad floods worse!?

12. Interception
Infiltration
Upper course
Meander
Waterfall
Watershed
Interlocking spurs
Middle course
Drainage basin
Physical
Cause
Boscastle

13. Homework Find out what the Bradshaw model is
Draw the model large in your book with annotations and diagrams for the different features.
Answer this question: ‘With use of the Bradshaw model, explain how rivers change from source to mouth.’

14. Hydrograph?

15. Homework Homework Find out what the Bradshaw model is
Draw the model large in your book with annotations and diagrams for the different features.
Answer this question: ‘With use of the Bradshaw model, explain how rivers change from source to mouth.’
Write flow diagrams of the formation of waterfalls, meanders, levees and floodplains
Find out what the Bradshaw model is
Draw the model large in your book with annotations and diagrams for the different features.
Answer this question: ‘With use of the Bradshaw model, explain how rivers change from source to mouth.’
Write flow diagrams of the formation of waterfalls, meanders, levees and floodplains