Lagrangian float

{
  "id": "MLC-T-MET-006839",
  "term": "Lagrangian float",
  "field": "Meteorology and atmospheric science",
  "definition": "A device designed to drift freely within a fluid, such as the ocean or atmosphere, to track the movement of water or air parcels. These instruments are often equipped with sensors to measure properties like temperature, salinity, or pressure along their trajectory. They provide direct observations of fluid parcel pathways.",
  "see_also": [
    "Swallow float",
    "drifter"
  ],
  "url": "https://mlchart.com/terminology/meteorology/lagrangian-float/"
}