Question
Spectral signature of vegetation
Answer :
Word Count : 250
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Vegetation exhibits distinctive spectral signatures due to its interaction with sunlight across different wavelengths. The spectral signature represents the variation of reflectance or emittance of vegetation with respect to wavelength. Healthy green vegetation strongly absorbs visible light, especially in the blue (450–495 nm) and red (620–700 nm) regions, due to chlorophyll pigments, while reflecting most of the green light (500–570 nm), which gives vegetation its characteristic green color. In the near-infrared (NIR) region
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