Aridity coefficient

{
  "id": "MLC-T-MET-003629",
  "term": "Aridity coefficient",
  "field": "Meteorology and atmospheric science",
  "definition": "A dimensionless index used to quantify the degree of dryness in a climate, calculated as the ratio of annual precipitation to potential evapotranspiration. A lower coefficient indicates greater aridity, signifying a more pronounced water deficit. This coefficient is a key metric in classifying climate zones and assessing desertification risk.",
  "url": "https://mlchart.com/terminology/meteorology/aridity-coefficient/"
}