Managing flood soft engineering Flashcards
Planting trees / Afforestation
Trees obstruct flow of water
water is soaked up by trees
Tree planting is environmental friendly and cheap
wetlands and flood storage spaces
areas are allowed to flood and are used as flood storage
this prevents flooding further downstream
Floodplain zoning
Dividing a floodplain into different zones based on the level of flood risk they face
Flood warning and preparations
rivers are monitored remotely using satellites
instruments used to measure rainfall
River restoration
returning river back to normal course after it had been changed artificially
Three levels of flood warnings
Flood watch
flood warning
severe flood warning
Flood watch
people should be prepared to watch river levels
flood warning
people should move items of value to upper floors and turn of electricity and water
severe flood warning
extreme danger to life
people should stay in upper areas of homes or leave property