WorldView Legion TSAVI
Transformed Soil Adjusted Vegetation Index for WorldView Legion
Vegetation Satellite Provider: MAXAR
Applications
Vegetation monitoring in areas with exposed soil
Agricultural crop assessment
Biomass estimation
Leaf Area Index (LAI) measurement
Sparse vegetation mapping
Quick Stats
Category: vegetation
Sensor: WorldView Legion
Provider: MAXAR
Bands Used: 2
Description
A vegetation index designed to minimize soil brightness effects on vegetation measurements. TSAVI requires knowledge of the soil line parameters (slope and intercept) for optimal performance.
Formulas
General Formula
WorldView Legion Specific Formula
(a * (NIR1 - a * Red - b)) / (Red + a * NIR1 - a * b + X * (1 + a^2))Spectral Band Visualization
Band Wavelengths
red: 640-680
nir: 760-900
Code Examples
tsavi.py
References
Baret et al. (1989). TSAVI: a vegetation index which minimizes soil brightness effects on LAI and APAR estimation.