Gaofen-2 EVI
Enhanced Vegetation Index for Gaofen-2
Vegetation Satellite Provider: CNSA
Applications
Agriculture
Forest Health Assessment
Phenology Studies
Carbon Cycle Research
Quick Stats
Category: vegetation
Sensor: Gaofen-2
Provider: CNSA
Bands Used: 3
Description
Improved vegetation index that reduces atmospheric and soil background effects. More sensitive to vegetation changes than NDVI.
Formulas
General Formula
Gaofen-2 Specific Formula
2.5 * ((NIR - Red) / (NIR + 6 * Red - 7.5 * Panchromatic + 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)