TERMIUM Plus®

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pressure tendency equation [1 record]

Record 1 2004-10-01

English

Subject field(s)
  • Meteorology
DEF

An equation for the local change of pressure at any point in the atmosphere, derived by combining the equation of continuity with an integrated form of the hydrostatic equation ...

CONT

The pressure tendency equation ... illustrates surface pressure change as a function of the vertically integrated density (temperature) advection. Thus the stronger the lower tropospheric cold air advection, the greater the surface pressure rises.

OBS

[This] equation ... is used most often to estimate the integrated vertical motion, given the pressure tendency and the advection.

French

Domaine(s)
  • Météorologie
DEF

Équation déterminant la variation locale de la pression en un point quelconque de l'atmosphère, obtenue en combinant l'équation de continuité et une forme intégrée de l'équation hydrostatique [...]

OBS

[...] on l'utilise le plus souvent pour estimer le mouvement vertical intégré, étant donné la tendance de la pression et l'advection.

Spanish

Campo(s) temático(s)
  • Meteorología
DEF

Ecuación que expresa la variación local de la presión en un punto cualquiera de la atmósfera obtenida combinando la ecuación de continuidad con una forma integrada de la ecuación hidrostática [...]

OBS

[...] se utiliza en general para estimar el movimiento vertical integrado, teniendo en cuenta la tendencia de la presión y la advección.

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