Spatial and Spectral Resolution (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does spatial resolution describe in geographical data?
What does spatial resolution describe in geographical data?
Level of detail we can see
What determines spatial resolution in raster data?
What determines spatial resolution in raster data?
Pixel size
What is the minimum mapping unit?
What is the minimum mapping unit?
Smallest area the system can detect
What happens when you zoom into vector data?
What happens when you zoom into vector data?
No quality loss occurs
What is a disadvantage of higher resolution data?
What is a disadvantage of higher resolution data?
Larger memory requirements
What does spectral resolution refer to?
What does spectral resolution refer to?
How many light spectrum parts detected
How many bands of light does a normal camera capture?
How many bands of light does a normal camera capture?
Three bands (red, green, blue)
How many bands can hyperspectral sensors capture?
How many bands can hyperspectral sensors capture?
Up to 256 different bands
What spectral resolution is needed for identifying minerals in geology?
What spectral resolution is needed for identifying minerals in geology?
High spectral resolution
What happens to file sizes as resolution increases?
What happens to file sizes as resolution increases?
File sizes grow significantly