BJ3A EVI
Enhanced Vegetation Index for BJ3A
Vegetation Satellite Provider: 21AT
Applications
Agriculture
Forest Health Assessment
Phenology Studies
Carbon Cycle Research
Quick Stats
Category: vegetation
Sensor: BJ3A
Provider: 21AT
Bands Used: 3
Description
Improved vegetation index that reduces atmospheric and soil background effects. More sensitive to vegetation changes than NDVI.
Formulas
General Formula
BJ3A Specific Formula
2.5 * ((NIR - Red) / (NIR + 6 * Red - 7.5 * Blue + 1))Spectral Band Visualization
Band Wavelengths
Blue: 450-520 nm
Red: 630-690 nm
NIR: 770-900 nm
Code Examples
evi.py
References
Huete et al. (2002)