Floods

Chapter Outline and Key Questions:

1. What are floods?

• Types of floods (coastal, river, flash-floods)

• Causes of floods

2. Which cities are more prone to floods?

3. Why are these cities more prone to floods than others?

• Height of land above sea level

• Proximity to water bodies

• Permeability of surface cover

• Channel capacity

4. How do floods affect people living in cities?

• Social impacts

• Economic impacts

5. How should cities prepare for floods?

• • Regulation – zoning and elevated properties

• Investment in infrastructure – leeves and floodwalls

• Disaster preparedness – forecasting and warning system, evacuation drills