TERMIUM Plus®

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WATER VAPOR CHANNEL [1 record]

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Record 1 2003-03-12

English

Subject field(s)
  • Range Measurements (Telecommunications)
  • Atmospheric Physics
CONT

The water vapour channel measures the amount of water vapour in the middle and upper atmosphere. The subsatellite resolution is 1.25 km for the visible channel and about 5 km for the infrared and water vapour channels.

Key term(s)
  • water vapor channel

French

Domaine(s)
  • Mesures à distance (Télécommunications)
  • Physique de l'atmosphère
CONT

Trois canaux pour l'imagerie se trouvent sur le satellite : un canal visible [...], un canal dans l'infrarouge thermique [...] et un canal vapeur d'eau [...]

OBS

METEOSAT mesure le nombre de photons en provenance de sa zone d'observation. Il travaille sur trois bandes de fréquence : [...] densité de vapeur d'eau correspondant aux longueurs d'onde de 10.5 à 12.5 micromètres. Ce canal mesure la quantité de photons absorbés par les molécules d'eau en suspension dans l'atmosphère.

Spanish

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