Landsat 8/9 NDII
Normalized Difference Infrared Index for Landsat 8/9
Vegetation Satellite Provider: USGS/NASA
Applications
Vegetation Water Content
Drought Monitoring
Irrigation Management
Forest Fire Risk Assessment
Agricultural Water Stress
Quick Stats
Category: vegetation
Sensor: Landsat 8/9
Provider: USGS/NASA
Bands Used: 2
Description
Vegetation water content index sensitive to changes in vegetation moisture and canopy water stress. Useful for drought monitoring and irrigation management.
Formulas
General Formula
Landsat 8/9 Specific Formula
(B5 - B6) / (B5 + B6)Spectral Band Visualization
Band Wavelengths
NIR: 850 nm
SWIR: 1650 nm
Code Examples
ndii.py
References
Hardisky et al. (1983)