Forel scale

{
  "id": "MLC-T-MET-005719",
  "term": "Forel scale",
  "field": "Meteorology and atmospheric science",
  "definition": "A qualitative scale used to classify the color of natural waters, particularly lakes and oceans. It ranges from blue to green to yellow-brown, indicating the presence of suspended sediments, phytoplankton, or dissolved organic matter. This scale provides a simple visual assessment of water quality and productivity.",
  "url": "https://mlchart.com/terminology/meteorology/forel-scale/"
}