# 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: srwi
name: Symbolic Regression Water Index
short_name: SRWI
formula: ((G + B) - (N + S1)) / ((G + B) + (N + S1))
bands:
- G
- B
- N
- S1
domain: water
theme: hydrology
concepts: []
rank: null
display:
  colormap: brbg
  range:
  - -1.0
  - 1.0
references:
- url: https://doi.org/10.1038/s41598-025-34720-x
date_of_addition: '2026-05-25'
contributor: https://github.com/c-chrysostomou
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: SRWI
match_tags:
- b
- g
- index
- n
- regression
- s1
- symbolic
- water
status: stable