Sentinel-2 WET

Tasselled Cap - wetness for Sentinel-2

Water Satellite Provider: ESA

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Applications

Soil moisture assessment

Wetland mapping

Irrigation monitoring

Drought detection

Vegetation water stress analysis

Quick Stats

Category: water

Sensor: Sentinel-2

Provider: ESA

Bands Used: 6

Description

The wetness component of the Tasselled Cap transformation, which relates to soil and canopy moisture. Positive values indicate wet conditions while negative values indicate dry conditions.

Formulas

General Formula

Sentinel-2 Specific Formula

0.1509 * B1 + 0.1973 * B3 + 0.3279 * B4 + 0.3406 * B8 - 0.7112 * B11 - 0.4572 * B12

Spectral Band Visualization

Band Wavelengths

blue: 450-520

green: 520-600

red: 630-690

nir: 760-900

swir1: 1550-1750

swir2: 2080-2350

Code Examples

wet_tc.py

References

Bannari et al. (1995). A review of vegetation indices.

Crist & Cicone (1984). A Physically-Based Transformation of Thematic Mapper Data---The TM Tasseled Cap.