1. RIVER FLOODING Miss Parson – Allerton Grange School

2. Aim – to understand the conditions which may cause a river to flood

3. Look at the following pictures, they will give you hints to factors that cause river flooding

4. RIVER FLOODING - 1

5. RIVER FLOODING - 2

6. RIVER FLOODING - 3

7. RIVER FLOODING - 4

8. RIVER FLOODING - 5

9. RIVER FLOODING - 6

10. RIVER FLOODING - 7

11. RIVER FLOODING

12. How did you do ? Heavy Rainfall Prolonged rainfall

13. How did you do ? Deforestation Urbanisation

14. How did you do ? Narrowing channels Saturated ground

15. Snowmelt Rivers joining (confluence) How did you do ?

16. TASK Use the information you have gathered to create a mind map to show the possible causes of river flooding. You could add extra sections if you have any other ideas but you must explain HOW each factor could cause flooding

17. http://www.flickr.com/photos/rae69/36464200/http://www.flickr.com/photos/rae69/36464200/ - slide4/12 http://www.flickr.com/photos/almaz73/1815415291/http://www.flickr.com/photos/almaz73/1815415291/ - slide 5/12 http://www.flickr.com/photos/loquenoves/406999745/http://www.flickr.com/photos/loquenoves/406999745/ - slide 5/12 http://www.flickr.com/photos/jup3nep/2178766424/http://www.flickr.com/photos/jup3nep/2178766424/ - slide 6/13 http://www.flickr.com/photos/mambolove/469419956/http://www.flickr.com/photos/mambolove/469419956/ - slide 7/13 http://www.flickr.com/photos/salvita_42/2649975992/http://www.flickr.com/photos/salvita_42/2649975992/ - slide 8/14 http://www.flickr.com/photos/fortphoto/402180292/http://www.flickr.com/photos/fortphoto/402180292/ - slide 9/14 http://www.flickr.com/photos/nwphotoguy/418566742/http://www.flickr.com/photos/nwphotoguy/418566742/ - slide 10/15 http://www.flickr.com/photos/apertur3/9102888/http://www.flickr.com/photos/apertur3/9102888/ - slide 11/15