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DRY LINE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-07-29

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
DEF

Narrow zone, other than a warm, cold, or occluded front, across which there is a distinct gradient in the moisture content of the air near the Earth's surface.

CONT

The dry-line is an area where the relatively dry air from the west that has passed over the Rocky Mountains and warmed by compression, butts up against and flows over very warm, moist air from the Gulf of Mexico. This boundary may also be referred to as the dew point front because dew point temperatures can change as much as 9°C/km. This boundary can occur as far north as the Dakotas, and as far east as the Texas-Louisiana border, but are most common on the east side of the Rockies. As surface winds converge east of the dry-line, lifting occurs, leading to thunderstorm development.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
DEF

Zone étroite, différente d'un front chaud, froid ou occlus, dans laquelle se trouve un gradient marqué de la teneur en vapeur d'eau de l'air au voisinage de la surface terrestre.

Spanish

Campo(s) temático(s)
  • Fenómenos meteorológicos, climáticos y atmosféricos
DEF

Zona estrecha, pero no un frente caliente, frío ni ocluido, a través de la cual existe un marcado gradiente de la humedad del aire cerca de la superficie terrestre.

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Record 2 1993-10-04

English

Subject field(s)
  • Paper Manufacturing Processes
DEF

The line at which the free, glossy, water surface disappears on the forming wire of a fourdrinier paper machine.

OBS

The machine tender interprets the position and shape of the "dry line" as indicators of wet end operation.

French

Domaine(s)
  • Fabrication du papier
CONT

Vue de dessus, on peut observer une ligne de séparation sur la toile de la machine (généralement près de la deuxième caisse aspirante classique); cette ligne correspond à l'endroit où le miroir d'eau à la surface de la feuille disparaît [...] Le conducteur de machine se sert de la position de la "ligne d'eau" pour contrôler le fonctionnement de la partie humide. Tout changement de la position de la ligne d'eau indique une modification de l'égouttabilité de la suspension qu'on doit compenser par un changement de concentration en caisse d'arrivée ou de dépression dans les caisses aspirantes classiques.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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