Practice Digital Elevation Models (dem/dtm) (18.6.3)

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8 questions

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6 sample questions

Question 1.
What does DEM stand for?
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Think about elevation.
Question 2.
What is a DTM mainly used for?
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Focus on 'bare earth'.
3Question 3.
What does a Digital Elevation Model primarily represent?
- Only bare earth
- Natural and built features
- Vegetation only
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Consider what the model captures.
4Question 4.
True or False: A Digital Terrain Model shows vegetation.
- True
- False
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Focus on what DTM includes.
Question 5.
Create a hypothetical scenario where a civil engineer would choose a DEM over a DTM for a project. Describe the project and explain why the DEM is necessary.
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Think about the features you’d want to capture.
Question 6.
Discuss a situation where using a DTM would be essential for environmental assessment, and explain how it benefits analysis.
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Focus on what DTM captures and its relevance to the environment.

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