Fichas
geography
Fichas del conjunto (8)
- 1Boscastle floods16th august 2004
- 2CausesGround saturated
rocks-impermeable
200mm in 4 hours - 3Impacts100 people airlifted
80 cars washed to sea
£300 million damage - 4Responses£4.6 million flood defence scheme
channel widened
flood defence walls
car park moved away - 5Hydraulic actiona force of water flowing and washing away any loose material from the beds and banks
- 6Abrasionstones carried in the river are washed into the bed and banks wearing them away. sometimes stones get trapped in a dip, where they can swirl around making potholes
- 7SolutionA chemical reaction which causes some rocks, particles and rocks types to dissolve
- 8AttritionStones collide together and are broken down becoming smaller and rounder creating smooth pebbles
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- Descripción
- Fichas sobre geography , creado por Jack Parkin8407 el 12/04/2015.
- Creado por
- Jack Parkin8407 · abr 2015
- Actualizado
- 19 feb 2016
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