Gaofen-2 MCARI2
Modified Chlorophyll Absorption in Reflectance Index 2 for Gaofen-2
Vegetation Satellite Provider: CNSA
Applications
Vegetation Analysis
Chlorophyll Estimation
Leaf Area Index Prediction
Crop Health Monitoring
Precision Agriculture
Quick Stats
Category: vegetation
Sensor: Gaofen-2
Provider: CNSA
Bands Used: 3
Description
Advanced vegetation chlorophyll index with enhanced sensitivity and reduced soil background effects. Improved version of MCARI for better leaf area index prediction.
Formulas
General Formula
Gaofen-2 Specific Formula
(1.5 * 2.5 * (800nm - 670nm) - 1.3 * (800nm - 550nm) * (2 * 800nm + 1)^2 - (6 * 800nm - 5 * 670nm) - 0.5)Spectral Band Visualization
Band Wavelengths
Green: 550 nm
Red: 670 nm
NIR: 800 nm
Code Examples
mcari2.py
References
Haboudane et al. (2004)
Main et al. (2011)