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:
“[The Declaration of Independence] meant to set up a standard maxim for free society, which should be familiar to all, and revered by all; constantly looked to, constantly labored for, and even though never perfectly attained, constantly approximated, and thereby constantly spreading and deepening its influence, and augmenting the happiness and value of life to all people of all colors everywhere.”
—Abraham Lincoln (1809–1865)
“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)