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No Access Submitted: 01 March 1996 Accepted: 30 July 1996 Published Online: 04 June 1998

  • On the barometric formula

American Journal of Physics 65, 404 (1997); https://doi.org/10.1119/1.18555
Mário N. Berberan-Santos
  • Centro de Quı́mica-Fı́sica Molecular, Instituto Superior Técnico, P-1096 Lisboa Codex, Portugal
    • Evgeny N. Bodunov
  • Physical Department, Russian State Hydrometeorology Institute, 195196 St. Petersburg, Russia
    • Lionello Pogliani
  • Centro de Quı́mica-Fı́sica Molecular, Instituto Superior Técnico, P-1096 Lisboa Codex, Portugal
    • more...View Contributors
    • Mário N. Berberan-Santos
    • Evgeny N. Bodunov
    • Lionello Pogliani
    ABSTRACT
    The barometric formula, relating the pressure p(z) of an isothermal, ideal gas of molecular mass m at some height z to its pressure p(0) at height z=0, is discussed. After a brief historical review, several derivations are given. Generalizations of the barometric formula for a nonuniform gravitational field and for a vertical temperature gradient are also presented.
    1. © 1996 American Association of Physics Teachers.

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