# 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: fai
name: Floating Algae Index
short_name: FAI
formula: N - (R + (S1 - R)*((lambdaN - lambdaR)/(lambdaS1 - lambdaR)))
bands:
- N
- R
- S1
constants:
- lambdaN
- lambdaR
- lambdaS1
domain: water
theme: hydrology
concepts: []
rank: 34
display:
  colormap: rdylgn
  range:
  - -0.05
  - 0.1
references:
- url: https://doi.org/10.1016/j.rse.2009.05.012
date_of_addition: '2024-05-03'
contributor: https://github.com/emanuelcastanho
platforms:
- Sentinel-2
- Landsat-OLI
- Landsat-TM
- Landsat-ETM+
- MODIS
source:
  authority: awesome-spectral-indices
  commit_sha: 7f28d3fe68af1287f7449faf0685659e73197212
  upstream_id: FAI
match_tags:
- algae
- floating
- index
- n
- r
- s1
- water
status: stable