Practice Digital Elevation Models (dems) (3.13.1)

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6 sample questions

Question 1.
What does DEM stand for?
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Think about what we call elevation information in a digital format.
Question 2.
Name one source for DEMs.
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Consider significant satellite missions that provide elevation data.
3Question 3.
What is the primary purpose of a Digital Elevation Model (DEM)?
- To represent vegetation
- To provide terrain elevation
- To record land use
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Think about what 'Digital Elevation' refers to.
4Question 4.
True or False: DEMs can be generated from both stereo pairs and radar data.
- True
- False
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Recall the methods mentioned for creating DEMs.
Question 5.
How would using a lower resolution DEM impact urban planning in hilly regions?
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Think about how detailed terrain information helps in planning steep areas.
Question 6.
Design a mini-project utilizing DEMs for a local watershed assessment. Outline the steps you would take.
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Consider how you can use elevation data to inform water flow.

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