BJ3A BRI

Blue Red Pigment Index for BJ3A

Vegetation Satellite Provider: 21AT

Get Imagery

Applications

plant pigment assessment

chlorophyll content estimation

carotenoid detection

vegetation stress monitoring

leaf pigment analysis

Quick Stats

Category: vegetation

Sensor: BJ3A

Provider: 21AT

Bands Used: 2

Description

Blue Red Pigment Index (BRI) is a simple ratio index that compares reflectance in the blue (450nm) and red (690nm) regions of the spectrum. It is designed to assess plant pigment content and is sensitive to changes in chlorophyll and carotenoid concentrations, making it useful for stress detection and pigment analysis.

Formulas

General Formula

BJ3A Specific Formula

Blue / Red

Spectral Band Visualization

Band Wavelengths

450: 450

690: 690

Code Examples

bri.py

References

Simple Ratio indices for vegetation pigment assessment