NDSIITMNormalized Difference Snow/Ice Index for Landsat TM

Formula ​

(R - S1)/(R + S1)

Classification ​

• Application domain: Snow
• Sensing modalities: Multispectral

Bands ​

• R: Red.
• S1: Short-wave Infrared (SWIR) 1.

Polarizations ​

No radar polarizations are used in this index.

Constants ​

No constants are used in this index.

Source Companions ​

These indices are part of the same scientific source:

• NDSaII

Contributor ​

Index contributed by https://github.com/davemlz on 2026-01-10.