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GREEN WAVE [5 records]

Record 1 2016-05-26

English

Subject field(s)
  • Signalling (Road Transport)
DEF

A signal coordination to enable a vehicle running along a route at a given speed to encounter successive green signals.

OBS

green wave : term and definition proposed by the World Road Association.

French

Domaine(s)
  • Signalisation routière
DEF

Coordination qui permet à un véhicule parcourant un itinéraire à une certaine vitesse de trouver successivement les feux au vert.

OBS

onde verte : terme et définition proposés par l'Association mondiale de la route.

Spanish

Campo(s) temático(s)
  • Señales (Transporte por carretera)
DEF

Coordinación de semáforos que permite que un vehículo que circula por una ruta a una velocidad determinada se encuentre los sucesivos semáforos en verde.

CONT

Debe conseguirse una coordinación de los semáforos instalados en una vía de tal forma que gracias a un desfase en la aparición de los verdes sucesivos nos permita llegar al siguiente semáforo en verde. Lo que se llama "onda verde".

OBS

onda verde: término y definición propuestos por la Asociación Mundial de la Carretera.

Save record 1

Record 2 2016-03-16

English

Subject field(s)
  • Signalling (Road Transport)
OBS

The theoretical speed of a green wave.

OBS

green wave speed : term proposed by the World Road Association.

French

Domaine(s)
  • Signalisation routière
OBS

Vitesse théorique d'une onde verte.

OBS

vitesse d'onde verte : terme proposé par l'Association mondiale de la route.

Spanish

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Record 3 2016-03-15

English

Subject field(s)
  • Signalling (Road Transport)
OBS

progressive green wave : term proposed by the World Road Association.

French

Domaine(s)
  • Signalisation routière
OBS

onde verte progressive : terme proposé par l'Association mondiale de la route.

Spanish

Save record 3

Record 4 2010-03-11

English

Subject field(s)
  • Scientific Instruments
  • Weather Stations and Meteorological Instruments and Equipment
DEF

Instrument for measuring the difference between the solar radiation intensities falling on both sides of a plane surface from the solid angle 2[pi], respectively.

CONT

When a pyranometer is oriented downwards it measures the reflected shortwave radiation, and is thus called an albedometer. When two pyranometers are associated, one oriented upwards and the other downwards, the net short wave radiation is measured. The instrument is then called a net pyranometer. A point of caution is that any instrument used as an albedometer or net pyranometer must have mil sensitivity to all spectra of visible light. This is important since the composition of reflected light from vegetation is highly biased toward green.

French

Domaine(s)
  • Instruments scientifiques
  • Stations, instruments et équipements météorologiques
DEF

Instrument de mesure de la différence entre les intensités du rayonnement solaire parvenant respectivement sur chacun des côtés d'une surface plane à partir d'angles solides de 2[pi].

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Estaciones, instrumentos y equipos meteorológicos
DEF

Instrumento para medir la diferencia entre las intensidades de la radiación solar incidente, desde los correspondientes ángulos sólidos iguales a 2[pi], sobre cada uno de los dos lados de una superficie.

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Record 5 2006-04-12

English

Subject field(s)
  • Electromagnetic Radiation
  • Atmospheric Physics
DEF

Radiation with wavelengths from 0.3 to about 4 µm.

CONT

... electromagnetic spectrum... encompasses very short waves(cosmic rays) to light waves(ultraviolet, visible, and infrared) to very long(heat, radio waves, and AC electricity).... Our environment shows color because of the selective absorption and reflection : A leaf appears green because much of the blue and red in the sun light that illuminates the leaf have been absorbed. Absorption of radiation has many different effects on substances depending on the wavelength of the radiation. Very short wave radiation, such as X-rays and cosmic rays penetrate into the core of an atom and can cause ionization or even nuclear changes.

CONT

All objects whose temperatures are above absolute zero emit energy proportional to their temperature. This is called thermal energy. This energy is emitted in the form of electromagnetic radiation whose average wavelength is inversely proportional to the object’s temperature. Thus, the hot sun emits short-wave radiation which is mainly UV radiation and visible light; the cooler Earth and atmosphere emit long-wave radiation, which is mainly in the form of invisible light called infrared radiation.

CONT

Due to the high temperature of the sun, solar radiation has a short wavelength (hence it is called short-wave radiation) and consists primary of UV radiation and visible light.

CONT

... ultraviolet radiation (sometimes called "short wave" radiation - 280 to 320 nanometres) ...

Key term(s)
  • shortwave radiation
  • short wave-length radiation

French

Domaine(s)
  • Rayonnements électromagnétiques
  • Physique de l'atmosphère
DEF

Rayonnement de longueurs d'onde de 0,3 à environ 4 µm.

CONT

En météorologie, le rayonnement est fréquemment subdivisé en rayonnement de courtes longueurs d'onde, inférieures à environ quatre micromètres, d'origine essentiellement solaire, et en rayonnement de grandes longueurs d'ondes supérieures à quatre micromètres, correspondant à l'émission thermique au niveau de la Terre.

Key term(s)
  • rayonnement de courtes longueurs d'ondes

Spanish

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

Radiación con una longitud de onda comprendida entre 0,3 y 4 µm aproximadamente.

Save record 5

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