Q38
Which of the following best describes the Normalized Difference Water Index (NDWI)?
A.
Index for assessing vegetation health
B.
Index for detecting water bodies using near-infrared and green bands
AnswerC.
Index for mapping urban areas
D.
Index for soil moisture content
Answer: Option B
Solution
Answer: Option B
Solution:
NDWI helps in identifying surface water by contrasting near-infrared and green spectral bands.This aids in flood mapping and water resource management.