Awesome Spectral Indices

ARVIAtmospherically Resistant Vegetation Index

Vegetation

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Formula

(N - (R - gamma * (R - B))) / (N + (R - gamma * (R - B)))

Classification

Application domain: Vegetation
Sensing modalities: Multispectral

Bands

N: Near-Infrared (NIR).
R: Red.
B: Blue.

Polarizations

No radar polarizations are used in this index.

Constants

gamma

Weighting coefficient used for reducing atmospheric effects.

Default value1.0

Suggested range0.02.0

Suggested values

Bare soil, very sparse vegetation, or arid and semi-arid areas: 0.5
Equal ARVI to NDVI: 0.0
Lowest sensitivity for dense forests: 1.02.0
Model-specific optimum for continental aerosol. alpha ~ 1.3: 0.9
Model-specific optimum for maritime aerosol. alpha ~ 0.2: 1.7

Source Companions

These indices are part of the same scientific source:

SARVI

Contributor

Index contributed by https://github.com/davemlz on 2021-05-11.