Vidyalelo
Geological Engineering · Q43

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 43

Q43

What does 'spatial interpolation' in GIS do?

A.
Assigns geographic coordinates to images
B.
Predicts values at unsampled locations based on sampled data
Answer
C.
Combines multiple layers
D.
Digitizes paper maps

Answer: Option B

Solution

Answer: Option B
Solution:
Spatial interpolation estimates unknown values between sampled points to create continuous surface maps, like elevation or pollution levels.Common methods include Kriging and IDW.