Types of engineering

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Types of hard engineering

Dams and reservoirs

  • Store and release water slowly
  • Expensive, flood existing settlements

Channel Straightening

  • Water moves out of area faster
  • Can cause flooding downstream

Man made Levees

  • Cheap way to get river to hold more water
  • If levees break flooding can catastrophic
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Types of soft engineering

Flood warnings

  • Impact is reduced as people have more time to prepare
  • Doesn't stop a flood


  • Impacts are reduced as buildings are less damaged
  • Fall sense of security and expensive 

Floodplain zoning

  • Risk of flooding reduced as building's not on floodplains
  • Expansion of urban areas is limited
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