TripleSat NDWI
Normalized Difference Water Index for TripleSat
Water Satellite Provider: 21AT
Applications
Water Body Mapping
Flood Monitoring
Wetland Assessment
Drought Studies
Quick Stats
Category: water
Sensor: TripleSat
Provider: 21AT
Bands Used: 2
Description
Used to detect water bodies and monitor water content in vegetation. Positive values typically indicate water presence.
Formulas
General Formula
TripleSat Specific Formula
(Green - NIR) / (Green + NIR)
Spectral Band Visualization
Band Wavelengths
Green: 510-580 nm
NIR: 770-900 nm
Code Examples
ndwi.py
References
McFeeters (1996)