International standard atmosphere

{
  "id": "MLC-T-MET-006609",
  "term": "International standard atmosphere",
  "field": "Meteorology and atmospheric science",
  "definition": "A theoretical model of the Earth's atmosphere that defines average atmospheric conditions, including temperature, pressure, and density, as a function of altitude. It provides a common reference for aircraft design, performance calculations, and meteorological studies. The model assumes a sea-level temperature of 15 degrees Celsius and a pressure of 1013.25 hectopascals, with specific lapse rates for temperature.",
  "see_also": [
    "standard atmosphere"
  ],
  "url": "https://mlchart.com/terminology/meteorology/international-standard-atmosphere/"
}