Flooding

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Floodplain Higher land

Floodplain Notice how brown the water is. It is this colour because of the silt it is carrying..

Our school is on the floodplain of the River Thames but is protected by flood defences Edge of floodplain The Thames Dagenham Park Dagenham Heathway

Floodplain worksheet ,[object Object]

Flood hydrographs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

TIME DISCHARGE (cumecs) FLOOD HYDROGRAPH

TIME days or hours DISCHARGE (cumecs) FLOOD HYDROGRAPH Bankfull level Lag time Peak discharge Peak rainfall

Key terms ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Deforestation and flooding Rock Trees River Soil

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Rock Concrete Drains Urbanisation and flooding River

TIME DISCHARGE (cumecs) FLOOD HYDROGRAPH Bankfull level Lag time Peak discharge Peak rainfall

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Flooding

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Flooding