Pune NDWI Timelapse From 1990-2024
NDMI measures vegetation water content and helps monitor drought stress. It uses the difference between near-infrared (NIR) and shortwave infrared (SWIR) bands.
Formula: NDWI = (NIR - SWIR) / (NIR + SWIR)
Range:
+0.5 to +1.0 → High vegetation moisture
0 to +0.5 → Moderate moisture
Negative values → Dry vegetation or bare soil
Data Source:
Based on Landsat 5, 7, 8, and 9 imagery (NASA & USGS) processed in Google Earth Engine for 1990–2024.