BJ3A BGI

Blue Green Pigment Index for BJ3A

Vegetation Satellite Provider: 21AT

Get Imagery

Applications

plant pigment assessment

chlorophyll content estimation

carotenoid detection

vegetation stress monitoring

photosynthetic pigment analysis

Quick Stats

Category: vegetation

Sensor: BJ3A

Provider: 21AT

Bands Used: 2

Description

Blue Green Pigment Index (BGI) is a simple ratio index that compares reflectance in the blue (450nm) and green (550nm) regions of the spectrum. It is used to assess plant pigment content, particularly useful for detecting changes in chlorophyll and carotenoid concentrations that affect blue and green light absorption.

Formulas

General Formula

BJ3A Specific Formula

Blue / Green

Spectral Band Visualization

Band Wavelengths

450: 450

550: 550

Code Examples

bgi.py

References

Simple Ratio vegetation indices for pigment assessment