BJ3N ARVI2

Atmospherically Resistant Vegetation Index 2 for BJ3N

Vegetation Satellite Provider: 21AT

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Applications

atmospherically resistant vegetation monitoring

chlorophyll content estimation

vegetation health assessment

agricultural monitoring

vegetation fraction estimation

photosynthetic activity monitoring

Quick Stats

Category: vegetation

Sensor: BJ3N

Provider: 21AT

Bands Used: 3

Description

ARVI2 is an enhanced version of the Atmospherically Resistant Vegetation Index designed to be resistant to atmospheric effects while being more sensitive to a wide range of chlorophyll concentrations. It builds upon the original ARVI concept by Kaufman and Tanré, providing improved vegetation monitoring capabilities under varying atmospheric conditions.

Formulas

General Formula

BJ3N Specific Formula

(NIR - (Red - γ * (Red - Blue))) / (NIR + (Red - γ * (Red - Blue)))

Spectral Band Visualization

Band Wavelengths

BLUE: 450-520

RED: 640-760

NIR: 780-1400

Code Examples

arvi2.py

References

Gitelson, A.A., Kaufman, Y.J., and Merzlyak, M.N. (1996) - Use of a green channel in remote sensing of global vegetation from EOS-MODIS

Kaufman, Y.J. and Tanré, D. (1992) - Atmospherically Resistant Vegetation Index (ARVI) for EOS-MODIS