Hard & Soft Engineering for flood control Flashcards
name the three types of hard engineering?
dams and reservoir
channel straightening
man-made levees
name the three types of soft engineering?
flood warnings
preparation
flood plain zoning
what are the advantages and disadvantages and advantages of dams and reservoirs?
advantages disadvantages
can store water very expensive
can make hydroelectric there could be flooding
can control the flow
what are the advantages and disadvantages and advantages of channel straightening?
advantages disadvantages
water moves quickly flooding happens further down
what are the advantages and disadvantages and advantages of man-made levees?
advantages disadvantages
can hold more water if flooding happens its worse
what are the advantages and disadvantages and advantages of flood warnings?
advantages disadvantages
impact reduced doesn’t stop flood
evacuation LEDC lack of radio contact
what are the advantages and disadvantages and advantages of preparation?
advantages disadvantages
impact reduced doesn’t mean safety
people know what to do expensive to modify buildings
what are the advantages and disadvantages and advantages of flood plain zoning?
advantages disadvantages
reduced risk urban expansion limited
impermeable surfaces doesn’t help places already built
not made