# Generated by scripts/sync_indices.py from Awesome Spectral Indices (MIT).
# DO NOT EDIT BY HAND. Edit overlays (_asi_*.yaml, _folia_*.yaml) and re-run.
# Spec: docs/spec/SPECTRAL_INDICES.md
slug: s3
name: S3 Snow Index
short_name: S3
formula: (N * (R - S1)) / ((N + R) * (N + S1))
bands:
- N
- R
- S1
domain: snow
theme: cryosphere
concepts: []
rank: null
display:
  colormap: blues
  range:
  - -0.2
  - 1.0
references:
- url: https://doi.org/10.3178/jjshwr.12.28
date_of_addition: '2021-09-18'
contributor: https://github.com/davemlz
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: S3
match_tags:
- index
- n
- r
- s1
- snow
status: stable