WorldView 3 NDSI
Normalized Difference Salinity Index for WorldView 3
Geology Satellite Provider: MAXAR
Applications
Soil Salinity Detection
Soil Quality Assessment
Agricultural Land Management
Desertification Monitoring
Irrigation Impact Assessment
Quick Stats
Category: geology
Sensor: WorldView 3
Provider: MAXAR
Bands Used: 2
Description
Soil salinity detection index using shortwave infrared bands. Effective for identifying salt-affected soils and monitoring soil degradation in arid regions.
Formulas
General Formula
WorldView 3 Specific Formula
(SWIR3 - SWIR5) / (SWIR3 + SWIR5)Spectral Band Visualization
Band Wavelengths
SWIR1: 1600-1700 nm
SWIR2: 2145-2185 nm
Code Examples
ndsi.py
References
Khan et al. (2005)