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OPTICAL AIR-MASS [1 record]

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Alphabetical list of terms

Record 1 2004-02-10

English

Subject field(s)
  • Atmospheric Physics
DEF

Measure of the length of the path through the atmosphere to sea-level traversed by light rays from a celestial body, expressed with reference to the path length in the vertical.

CONT

The optical airmass at sea level, M0, is estimated empirically as a function of the solar elevation, [alpha].

Key term(s)
  • optical air-mass

French

Domaine(s)
  • Physique de l'atmosphère
DEF

Mesure de la longueur du trajet parcouru dans l'atmosphère jusqu'au niveau de la mer par les rayons lumineux provenant d'un corps céleste, rapportée à la longueur du trajet vertical.

Spanish

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

Medida del trayecto que recorre en la atmósfera la luz emitida por un cuerpo celeste hasta el nivel del mar, expresada con referencia al trayecto vertical.

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