TERMIUM Plus®

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PSEUDO ADIABATIC LAPSE RATE [1 record]

Record 1 1992-12-31

English

Subject field(s)
  • Atmospheric Physics
DEF

The rate of change of temperature with height in a rising air parcel when, under the most simplified conditions, the condensate (assumed to be water) immediately precipitates out.

OBS

The pseudoadiabatic lapse rate is so close to the moist adiabatic lapse rate that meteorologists tend to ignore this difference and often refer to them synonymously. In fact, on adiabatic charts (or pseudoadiabatic charts), the moist adiabatic lapse rate lines are referred to interchangeably as moist, saturated, or pseudoadiabatic.

Key term(s)
  • pseudo adiabatic lapse rate

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Taux de variation de la température avec l'altitude dans une particule d'air ascendante quand, dans les conditions les plus simples, le condensat (de l'eau par hypothèse) tombe immédiatement sous forme de précipitation.

Key term(s)
  • gradient pseudo-adiabatique

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
DEF

Tasa de cambio de la temperatura con la altitud en una partícula de aire ascendente, cuando, en las condiciones más simplificadas, precipita inmediatamente el condensado (que se supone de agua).

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