Dragonette-1 ARVI2
Atmospherically Resistant Vegetation Index 2 for Dragonette-1
Vegetation Satellite Provider: Wyvern
Applications
atmospherically resistant vegetation monitoring
chlorophyll content estimation
vegetation health assessment
agricultural monitoring
vegetation fraction estimation
photosynthetic activity monitoring
Quick Stats
Category: vegetation
Sensor: Dragonette-1
Provider: Wyvern
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
Dragonette-1 Specific Formula
(Band 23 - (Band 16 - γ * (Band 16 - Band 1))) / (Band 23 + (Band 16 - γ * (Band 16 - Band 1)))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