Dragonette-1 TSAVI
Transformed Soil Adjusted Vegetation Index for Dragonette-1
Vegetation Satellite Provider: Wyvern
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: Dragonette-1
Provider: Wyvern
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
Dragonette-1 Specific Formula
(a * (Band 23 - a * Band 12 - b)) / (Band 12 + a * Band 23 - 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.