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The Government of Canada’s terminology and linguistic data bank.
ANTARCTIC WHITEOUT [1 record]
Record 1 - internal organization data 2015-02-24
Record 1, English
Record 1, Subject field(s)
- Atmospheric, Climatic and Meteorological Phenomena
- Air Safety
Record 1, Main entry term, English
- antarctic whiteout
1, record 1, English, antarctic%20whiteout
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- antarctic white-out 2, record 1, English, antarctic%20white%2Dout
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The obliteration of contrast between surface features in the Antarctic when a covering of snow obscuring all landmarks is accompanied by an overcast sky, resulting in an absence of shadows and an unrelieved expanse of white, the earth and sky blending so that the horizon is not distinguishable. 3, record 1, English, - antarctic%20whiteout
Record number: 1, Textual support number: 1 OBS
A similar occurrence in the Arctic is called arctic whiteout. 3, record 1, English, - antarctic%20whiteout
Record number: 1, Textual support number: 2 OBS
There are two different forms of a whiteout: 1. In blizzard conditions, the windblown snow in the air may simply make it too difficult to see very far. 2. In clear air conditions, when there is no snow falling, diffuse lighting from overcast cloud may cause all surface definition to disappear. 4, record 1, English, - antarctic%20whiteout
Record number: 1, Textual support number: 3 OBS
True whiteouts occur mostly in the Arctic and the Antarctic when unbroken snow cover and a uniformly overcast sky combine to produce a solid white glow. People in whiteouts see no shadows or horizon and lose all sense of depth and orientation. 5, record 1, English, - antarctic%20whiteout
Record number: 1, Textual support number: 4 OBS
In polar regions this optical illusion can make whole snow-covered mountains invisible against the background white cloud, and the horizon cannot be identified, slopes cannot be judged for steepness, and snow surfaces cannot be seen. It is only when a dark or coloured object is placed on a snowy surface that the surface can be seen at all. 4, record 1, English, - antarctic%20whiteout
Record 1, French
Record 1, Domaine(s)
- Phénomènes météorologiques, climatiques et atmosphériques
- Sécurité (Transport aérien)
Record 1, Main entry term, French
- voile blanc antarctique
1, record 1, French, voile%20blanc%20antarctique
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
voile blanc : Phénomène optique atmosphérique des régions recouvertes de neige qui fait que l'observateur semble enveloppé dans une lueur blanche uniforme. 2, record 1, French, - voile%20blanc%20antarctique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Fenómenos meteorológicos, climáticos y atmosféricos
- Seguridad (Transporte aéreo)
Record 1, Main entry term, Spanish
- alborismo polar
1, record 1, Spanish, alborismo%20polar
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
La visibilidad puede llegar a ser nula con la aparición de fenómenos como el alborismo polar ("whiteout"), típico de zonas del Ártico y [de la Antártida]. 2, record 1, Spanish, - alborismo%20polar
Record number: 1, Textual support number: 1 OBS
alborismo polar: El término español es genérico con respecto al inglés y francés, que especifican en qué zona se produce este fenómeno meteorológico. 3, record 1, Spanish, - alborismo%20polar
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