WorldView 2 TCARI
Transformed Chlorophyll Absorption Ratio for WorldView 2
Vegetation Satellite Provider: MAXAR
Applications
Chlorophyll content estimation
Crop health monitoring
Precision agriculture
Plant stress detection
Nutrient deficiency assessment
Quick Stats
Category: vegetation
Sensor: WorldView 2
Provider: MAXAR
Bands Used: 3
Description
An index designed to estimate vegetation chlorophyll content while minimizing the effects of leaf area index. TCARI is particularly useful for precision agriculture and crop health monitoring.
Formulas
General Formula
WorldView 2 Specific Formula
3 * ((Panchromatic - Red) - 0.2 * (Panchromatic - Green) * (Panchromatic/Red))
Spectral Band Visualization
Band Wavelengths
green: 550
red: 670
re1: 700
Code Examples
tcari.py
References
Haboudane et al. (2002). Integrated narrow-band vegetation indices for prediction of crop chlorophyll content.
Wu et al. (2008). Estimating chlorophyll content from hyperspectral vegetation indices.