authority: folia
slug: evi
name: Enhanced Vegetation Index
domain: vegetation
subdomain: indices
authority_id: folia:evi
external_ids:
  spyndex: EVI
canonical_units: dimensionless
description: |
  Enhanced Vegetation Index — 2.5 * (NIR - Red) / (NIR + 6*Red - 7.5*Blue + 1).
  Reduces NDVI's saturation problem in dense canopies and corrects for
  aerosol/soil-background influences via the blue band. MODIS standard
  vegetation product alongside NDVI.
theme: vegetation
formula: "2.5 * (N - R) / (N + 6 * R - 7.5 * B + 1)"
status: documented
sources:
  - https://github.com/awesome-spectral-indices/awesome-spectral-indices
