Practice Airborne Laser Scanning (als) (9.2) - Airborne and Terrestrial Laser Scanning

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9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does ALS stand for?
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Think about the technology and data collection method.
Question 2.
Name one component of ALS.
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Consider what devices are needed for scanning.
3Question 3.
What technology does ALS use for data collection?
- Radar
- LiDAR
- Ultrasound
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Consider the full name of LiDAR.
4Question 4.
True or False: ALS is only effective in clear weather.
- True
- False
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Think about the impact of rain or fog.
Question 5.
Evaluate the effectiveness of ALS in urban environments where buildings obstruct the laser signals.
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Consider alternatives or solutions that might improve data collection.
Question 6.
Discuss how variations in pulse frequency and flying altitude could impact an ALS project aimed at mapping a dense forest.
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What is the relationship between altitude and data resolution?

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