Sky-ground luminance ratio

{
  "id": "MLC-T-MET-010761",
  "term": "Sky-ground luminance ratio",
  "field": "Meteorology and atmospheric science",
  "definition": "The ratio of the luminance of the sky to the luminance of the ground, a measure used in daylighting design and visual perception studies. This ratio indicates the contrast between the overhead sky and the horizontal surface below. It is a factor in assessing visual comfort and glare.",
  "url": "https://mlchart.com/terminology/meteorology/sky-ground-luminance-ratio/"
}