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:
“When Freedom, from her mountain height,
Unfurled her standard to the air,
She tore the azure robe of night,
And set the stars of glory there;”
—Joseph Rodman Drake (1795–1820)
“Two thousand summers have imparted to the monuments of Grecian literature, as to her marbles, only a maturer golden and autumnal tint, for they have carried their own serene and celestial atmosphere into all lands to protect them against the corrosion of time.”
—Henry David Thoreau (1817–1862)