Psu

{
  "id": "MLC-T-MET-008198",
  "term": "Psu",
  "field": "Meteorology and atmospheric science",
  "definition": "A unit of salinity, representing the practical salinity scale. This scale is based on the electrical conductivity of seawater relative to a standard potassium chloride solution at a specific temperature and pressure. One psu is approximately equivalent to one gram of dissolved salts per kilogram of seawater.",
  "see_also": [
    "salinity"
  ],
  "url": "https://mlchart.com/terminology/meteorology/psu/"
}