What are the human and physical causes of floods? Starter: Look at the pictures on the board and...

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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

Transcript of What are the human and physical causes of floods? Starter: Look at the pictures on the board and...

Page 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.

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

Page 2: 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.

• Write down as many of the causes of the 2004 Bostcastle flood

http://www.bbc.co.uk/learningzone/clips/why-did-boscastle-flood/14072.html

Page 3: 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.

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- Temperature- Vegetation

Page 4: 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.

• Annotate pictures with human and physical causes using pg 72 and 73

• From the causes create a mind map with linking effects

Page 5: 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.
Page 6: 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.
Page 7: 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.
Page 8: 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.
Page 9: 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.
Page 10: 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.

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)

Page 11: 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.

Plenary…

• Humans make bad floods worse!?

Page 12: 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.

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

Page 13: 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.

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.’

Page 14: 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.

• Hydrograph?

Page 15: 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.

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

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