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SNDTI4RE4-band Red Edge Soil-Adjusted Normalized Difference Tillage Index

Vegetation

Formula โ€‹

gamma * ((S1 - S2) * 2.0)/(S1 + S2 + 1.0) + (1 - gamma) * ((N - RE3) * 2.0)/(N + RE3 + 1.0)

Classification โ€‹

  • Application domain: Vegetation
  • Sensing modalities: Multispectral

Bands โ€‹

  • S1: Short-wave Infrared (SWIR) 1.
  • S2: Short-wave Infrared (SWIR) 2.
  • N: Near-Infrared (NIR).
  • RE3: Red Edge 3.

Polarizations โ€‹

No radar polarizations are used in this index.

Constants โ€‹

gamma

Weighting coefficient for the ratio SWIR1/SWIR2 (Sentinel-2).

Default value0.4
Suggested range0.01.0
Suggested values
April
0.4
November
0.5

Source Companions โ€‹

These indices are part of the same scientific source:

Contributor โ€‹

Index contributed by https://github.com/davemlz on 2025-09-30.

Released under the MIT License.