11.24. High-Resolution Terrain and Subsurface Modeling

Try these first

1. 1.

   What does LiDAR stand for?

   Hint

   Pay attention to the terms involved in measuring distance.

2. 2.

   What is the precision level typically achieved by LiDAR?

   Hint

   Think about how precise measurement needs to be for engineering purposes.

3. 3.

   What type of precision does LiDAR typically achieve?

   • Millimeter
   • Centimeter
   • Meter

   Hint

   Recall how precise measurements need to be for safe engineering.

4. 4.

   True or False: InSAR can be used to create 3D terrain models.

   • True
   • False

   Hint

   Think about the main purpose of each technology discussed.

5. 5.

   Given a construction project in a hilly area, explain how you would utilize both LiDAR and InSAR in the planning and monitoring phases.

   Hint

   Consider how each technology serves different stages of your project.

6. 6.

   Discuss how a civil engineer might address the challenges of using LiDAR data in densely forested areas.

   Hint

   Focus on finding solutions for challenges in data collection.