• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

A FLOOD IS the intrusion of water into normally dry land. While floods are a natural part of the ecological cycle and have some benefits for the health of the biosphere as a whole, flooding has always been one of the most devastating types of natural disasters for humans, responsible for thousands of deaths and billions of dollars in property damage each year. Climate change is expected to increase the risk of flooding for people around the world, both by raising global sea levels and increasing severe inland flooding events.

Flash Flooding

Flash flooding is most commonly caused by heavy rainfall over a short period of time, from a tropical system or an unusually heavy thunderstorm event. Less common causes include dam and levee breeches or the ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles