TERMIUM Plus®

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

TOTAL DOWNWARD RADIATION [3 records]

Record 1 2023-03-28

English

Subject field(s)
  • Various Proper Names
  • Atmospheric Physics
  • Electromagnetic Radiation
  • Informatics
OBS

The World Radiation Data Centre(WRDC) is located in St. Petersburg at the Main Geophysical Observatory of the Russian Federal Service for Hydrometeorology and Environmental Monitoring. The WRDC was established in 1964, and... it centrally collects, archives and publishes radiometric data for the world, to ensure the availability of these data for research purposes by the international scientific community.... The WRDC is the central depository of the measured components such as : global, diffuse and direct solar radiation, downward atmospheric radiation, net total and terrestrial surface radiation(upward), spectral radiation components(instantaneous fluxes), and sunshine duration, on hourly, daily or monthly basis.

Key term(s)
  • World Radiation Data Center

French

Domaine(s)
  • Appellations diverses
  • Physique de l'atmosphère
  • Rayonnements électromagnétiques
  • Informatique

Spanish

Campo(s) temático(s)
  • Denominaciones varias
  • Física de la atmósfera
  • Radiación electromagnética
  • Informática
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Record 2 2002-12-03

English

Subject field(s)
  • Scientific Instruments
DEF

An instrument for the measurement of the net flux of downward and upward total(solar and terrestrial) radiation through a horizontal surface.

CONT

[A] net radiometer measures the difference between the incoming and outgoing hemispheric radiation on a horizontal plane over the 0.4 to 40 micrometer waveband.

French

Domaine(s)
  • Instruments scientifiques
DEF

[...] instrument qui mesure les intensités relatives du rayonnement pour une longueur d'onde.

CONT

[...] Dicke [astrophysicien], [a] inventé en 1946 le radiomètre différentiel «un instrument très sensible pour déterminer la distribution d'un rayonnement» [...]

CONT

Un radiomètre différentiel [...] Sa précision vient de ce qu'il effectue des mesures différentielles et non absolues [...]

Spanish

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Record 3 2002-09-17

English

Subject field(s)
  • Electromagnetic Radiation
  • Meteorology
DEF

Solar and atmospheric radiation directed downward (toward the Earth’s surface).

Key term(s)
  • total downward radiation

French

Domaine(s)
  • Rayonnements électromagnétiques
  • Météorologie
DEF

Rayonnements solaire et atmosphérique dirigés vers le bas (vers la surface terrestre).

Spanish

Campo(s) temático(s)
  • Radiación electromagnética
  • Meteorología
DEF

Radiación solar y radiación atmosférica dirigidas hacia abajo (hacia la superficie de la Tierra).

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