Landsat 8/9 NDWI

Normalized Difference Water Index for Landsat 8/9

Water Satellite Provider: USGS/NASA
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Applications

Water Body Mapping
Flood Monitoring
Wetland Assessment
Drought Studies

Quick Stats

Category: water
Sensor: Landsat 8/9
Provider: USGS/NASA
Bands Used: 2

Description

Used to detect water bodies and monitor water content in vegetation. Positive values typically indicate water presence.

Formulas

General Formula

Landsat 8/9 Specific Formula

(B3 - B5) / (B3 + B5)

Spectral Band Visualization

Band Wavelengths

Green: 510-580 nm
NIR: 770-900 nm

Code Examples

ndwi.py

References

McFeeters (1996)