Standard atmosphere can 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. The Standard atmosphere is an international reference pressure defined as 101325 Pa and formerly used as unit of Pressure (symbol atm The US Standard Atmosphere is a series of models that define values for atmospheric Temperature, Density, pressure and other properties over The International Standard Atmosphere (ISA is an atmospheric model of how the Pressure, Temperature, Density, and Viscosity

See also

• Atmospheric models
• NRLMSISE-00
• Standard conditions for temperature and pressure

Static atmospheric models describe how the Ideal gas properties (namely pressure temperature density and molecular weight of an atmosphere change primarily as a function of NRLMSISE-00 is an Empirical, global model of the Earth's atmosphere from ground to space In Physical sciences standard conditions for temperature and pressure are Standard sets of conditions for experimental measurements to allow comparisons to be made

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