Hydrostatic balance states Әр əz (1) where p is pressure, z is altitude, p is density and g is the acceleration due to gravity. It can be shown that the reciprocal of hydrostatic balance also applies. That is əz др =-pg, 1 pg (2) Use the ideal gas law (p = pRT, where R is the gas constant for dry air and T is temperature) to eliminate p from (2).

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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Hydrostatic balance states
Әр =-pg,
Əz
(1)
where p is pressure, z is altitude, p is density and g is the acceleration due to gravity.
It can be shown that the reciprocal of hydrostatic balance also applies. That is
дz
др
1
pg
(2)
Use the ideal gas law (p = pRT, where Ra is the gas constant for dry air and T is
temperature) to eliminate p from (2).
Transcribed Image Text:Hydrostatic balance states Әр =-pg, Əz (1) where p is pressure, z is altitude, p is density and g is the acceleration due to gravity. It can be shown that the reciprocal of hydrostatic balance also applies. That is дz др 1 pg (2) Use the ideal gas law (p = pRT, where Ra is the gas constant for dry air and T is temperature) to eliminate p from (2).
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