Spectral signature of healthy vegetation?
essential veg
  • Low red reflectance — chlorophyll absorbs red for photosynthesis.
  • High NIR reflectance — scattered by spongy mesophyll leaf structure.

That contrast is why NDVI, SR, and EVI all work.

💡

Leaves DRINK red (chlorophyll eats it), BOUNCE NIR. That 'red dip, NIR jump' is THE vegetation fingerprint.

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