Hydrostatic Equation
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Hydrostatic Equation
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In numerical equations, the form assumed by the vertical component of the
vector equation
of motion when all coriolis, earth- curvature, frictional, and
vertical-acceleration terms are considered negligible compared with those
involving the vertical pressure force and the force of gravity. Thus,
where P is the atmospheric pressure; p is the density; g
is the acceleration of gravity; and Z is the geometric light.
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For cyclonic-scale motions the error committed in applying the
hydrostatic equation to the earth's atmosphere is less than 0.01 percent.
Strong vertical accelerations in thunderstorms and mountain waves may be 1
percent of gravity or more in extreme situations. [[/a>|/a>
]]
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
