Age

{
  "id": "MLC-T-MET-003360",
  "term": "Age",
  "field": "Meteorology and atmospheric science",
  "definition": "The time elapsed since a specific atmospheric or oceanic parcel of air or water was last at the surface or in contact with a particular source. This concept is used to trace the movement and mixing of atmospheric constituents or water masses. It is often determined using tracer gases or isotopes.",
  "url": "https://mlchart.com/terminology/meteorology/age/"
}