7.10.1. Urban Flood Risk Zoning – Chennai, India

Try these first

1. 1.

   What is a Digital Elevation Model (DEM)?

   Hint

   Think of it as a topographic map.

2. 2.

   Name one GIS tool used in urban flood mapping.

   Hint

   It's software for analyzing geographic information.

3. 3.

   What does DEM stand for?

   • Digital Environmental Model
   • Digital Elevation Model
   • Dynamic Elevation Model

   Hint

   It relates to elevation and geography.

4. 4.

   True or False: GIS tools are not useful in flood risk analysis.

   • True
   • False

   Hint

   Consider their role in mapping.

5. 5.

   Using GIS tools, design an urban area flood risk map. List the layers you would use and justify your choices.

   Hint

   Think about what factors contribute to floods.

6. 6.

   Evaluate how well-designed flood risk maps can aid in emergency response planning.

   Hint

   Consider the importance of timing during flood events.