Gaofen-2 NDRE
Normalized Difference Red-Edge for Gaofen-2
Vegetation Satellite Provider: CNSA
Applications
crop health monitoring
nitrogen status assessment
chlorophyll content estimation
precision agriculture
yield prediction
vegetation stress detection
Quick Stats
Category: vegetation
Sensor: Gaofen-2
Provider: CNSA
Bands Used: 2
Description
Normalized Difference Red-Edge (NDRE) is a vegetation index that uses the red-edge band instead of the red band used in NDVI. It is particularly sensitive to chlorophyll content in leaves and can detect variations in crop health and nitrogen status more effectively than NDVI, especially in moderate to high biomass conditions.
Formulas
General Formula
Gaofen-2 Specific Formula
(NIR - Panchromatic) / (NIR + Panchromatic)Spectral Band Visualization
Band Wavelengths
RedEdge: 720-730
NIR: 780-1400
Code Examples
ndre.py
References
Barnes et al. - Coincident detection of crop water stress, nitrogen status and canopy density using ground based multispectral data