NAIP TSAVI
Transformed Soil Adjusted Vegetation Index for NAIP
Vegetation Satellite Provider: USDA
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: NAIP
Provider: USDA
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
NAIP Specific Formula
(a * (NIR - a * Red - b)) / (Red + a * NIR - 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.