WorldView 3 NDWI
Normalized Difference Water Index (Gao) for WorldView 3
Vegetation Satellite Provider: MAXAR
Applications
Vegetation Water Content
Drought Stress Assessment
Irrigation Scheduling
Forest Fire Risk Assessment
Plant Physiology Studies
Quick Stats
Category: vegetation
Sensor: WorldView 3
Provider: MAXAR
Bands Used: 2
Description
Vegetation water content index for remote sensing of vegetation liquid water. Sensitive to changes in leaf water content and useful for drought stress assessment.
Formulas
General Formula
WorldView 3 Specific Formula
(860nm - 1240nm) / (860nm + 1240nm)Spectral Band Visualization
Band Wavelengths
NIR: 860 nm
SWIR: 1240 nm
Code Examples
ndwi_gao.py
References
Gao (1996)