2.12. Microwave and Radar Remote Sensing

Try these first

1. 1.

   What is SAR used for?

   Hint

   Think about weather effects on capture technology.

2. 2.

   Can SAR work at night?

   Hint

   Consider whether light affects radar.

3. 3.

   What does SAR stand for?

   • Sonic Aperture Radar
   • Synthetic Aperture Radar
   • Sensor Aperture Radar

   Hint

   Think about what synthetic means in this context.

4. 4.

   InSAR can detect surface changes with millimeter accuracy.

   • True
   • False

   Hint

   Recall the precision capabilities of InSAR.

5. 5.

   Describe a scenario in which SAR could significantly impact disaster response efforts.

   Hint

   Think about how weather affects data gathering activities.

6. 6.

   How could a civil engineer utilize InSAR for preventative maintenance of infrastructure?

   Hint

   Consider the implications of timely data.