Water & Soil Indices

NDMI

Normalized Difference Moisture Index. Measures vegetation water content using the difference between near-infrared and shortwave infrared bands. Used to monitor drought stress, irrigation needs, and fire risk assessment.

Formula

NDMI = (NIR - SWIR) / (NIR + SWIR)

Analyze NDMI data with LYRASENSE

Use our agentic notebook environment to work with satellite data and compute indices like NDMI — no setup required.