# 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: twi
name: Triangle Water Index
short_name: TWI
formula: (2.84 * (RE1 - RE2) / (G + S2)) + ((1.25 * (G - B) - (N - B)) / (N + 1.25 * G - 0.25 * B))
bands:
- RE1
- RE2
- G
- S2
- B
- N
domain: water
theme: hydrology
concepts: []
rank: null
display:
  colormap: brbg
  range:
  - -1.0
  - 1.0
references:
- url: https://doi.org/10.3390/rs14215289
date_of_addition: '2023-02-10'
contributor: https://github.com/remi-braun
platforms:
- Sentinel-2
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: TWI
match_tags:
- b
- g
- index
- n
- re1
- re2
- s2
- triangle
- water
status: stable