Standard Atmosphere

Standard atmosphere may refer to:

  • A standard reference value for air pressure:
    • Atmosphere (unit), an approximation of the value at sea level
    • Atmospheric pressure, other reference values
  • A model of how atmospheric pressure varies with altitude:
    • The U.S. Standard Atmosphere, a series of models that give values for pressure, density, and temperature over a range of altitudes
    • The International Standard Atmosphere (ISA), an international standard model, defining typical atmospheric properties with altitude, at mid-latitude

Famous quotes containing the words standard and/or atmosphere:

    “Where shall we look for standard English but to the words of a standard man?”
    —Henry David Thoreau (1817–1862)

    “The life of our city is rich in poetic and marvelous subjects. We are enveloped and steeped as though in an atmosphere of the marvelous; but we do not notice it.”
    —Charles Baudelaire (1821–1867)