Flood Management AQA GCSE

Hard engineering
1. Embankments: raising the level of the river bank.
2. Flood Relief channels; concrete channels to make the river bypass urban areas.
3. Dams and Reservoirs: artificial lakes that control water and prevent large amounts of water flow
4. Channel straightening: cutting off meanders to speed up water flow.
Soft engineering
1. Afforestation: planting trees
2. Wetland areas: river floodplains that store water
3. Floodplain zoning: allocating certain areas for specific use (i.e river banks are not for housing)
4. River restoration: using natural river features (meanders and wetlands) to reduce flooding
Preparation
1. Flood warnings: 3 different levels
2. Satellite and computer tracking/imaging
3. Making houses flood proof i.e moving valuables upstairs
4. Sandbags
5. Floodgates
6. Emergency services and local authorities map floods and prioritise at risk areas.

Zusammenfassung der Ressource

	Erstellt von Elora Graham vor mehr als 7 Jahre