TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DIURNAL WAVE [2 records]

Record 1 2023-01-31

English

Subject field(s)
  • Atmospheric Physics
  • Geophysics
CONT

Above the surface layer, the diurnal wave becomes nearly 180 [degrees] out of phase and wind speed decreases sharply following sunrise, [attaining] a minimum value around noon, and [increasing] in the afternoon and evening hours. The amplitude of the wave increases with height and attains its maximum value somewhere in the middle of the convective [planetary boundary layer].

French

Domaine(s)
  • Physique de l'atmosphère
  • Géophysique

Spanish

Save record 1

Record 2 2002-04-18

English

Subject field(s)
  • Meteorology
  • Fluid Mechanics and Hydraulics (Physics)
DEF

Sinusoidal wave, with a 24-hour period, which is one of the significant terms in the Fourier series expansion of the temporal variation of atmospheric pressure.

French

Domaine(s)
  • Météorologie
  • Mécanique des fluides et hydraulique (Physique)
DEF

Onde sinusoïdale, d'une période de 24 heures, qui est un des termes significatifs du développement en série de Fourier de la variation temporelle de la pression atmosphérique.

Spanish

Campo(s) temático(s)
  • Meteorología
  • Mecánica de fluidos e hidráulica (Física)
DEF

Onda sinusoidal, con período de 24 horas, que es uno de los términos significativos, en el desarrollo en serie de Fourier, de la variación temporal de la presión atmosférica.

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