# 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: gm1
name: Gitelson and Merzlyak Index 1
short_name: GM1
formula: RE2/G
bands:
- RE2
- G
domain: vegetation
theme: vegetation
concepts: []
rank: null
display:
  colormap: rdylgn
  range:
  - -0.2
  - 0.9
references:
- url: https://doi.org/10.1016/S0176-1617(96)80284-7
date_of_addition: '2022-04-08'
contributor: https://github.com/davemlz
platforms:
- Sentinel-2
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: GM1
match_tags:
- and
- g
- gitelson
- index
- merzlyak
- re2
- vegetation
status: stable