etaMix of green and red reflectances to get properties that are between ARVI and GARI.
Default value0.5
GRARIAtmospheric Resistant Green-Red Index
Vegetation
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Formula
(N - (eta * G + (1.0 - eta) * R - lmb * (B - R)))/(N + (eta * G + (1.0 - eta) * R - lmb * (B - R)))Classification
- Application domain:
Vegetation - Sensing modalities:
Multispectral
Bands
N: Near-Infrared (NIR).G: Green.R: Red.B: Blue.
Polarizations
No radar polarizations are used in this index.
Constants
lmbParameter that controls the atmospheric correction.
Default value1.0
Source Companions
These indices are part of the same scientific source:
Contributor
Index contributed by https://github.com/davemlz on 2026-07-22.