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TENNESSEE VALLEY AUTHORITY [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-02-27

English

Subject field(s)
  • National Bodies and Committees (Non-Canadian)
  • Hydrology and Hydrography
DEF

A U.S. government agency established in 1933 to control floods, improve navigation, improve living standards of farmers, and produce electrical power along the Tennessee River and its tributaries.

French

Domaine(s)
  • Organismes et comités nationaux non canadiens
  • Hydrologie et hydrographie
CONT

Le Tennessee [la rivière Tennessee] doit ses hautes eaux d'hiver et de printemps aux pluies et neiges de la partie appalachienne de son bassin. Il aggravait l'irrégularité du régime de l'Ohio [la rivière Ohio] avant son aménagement entrepris au temps du New Deal par la Tennessee Valley Authority. La vallée a été transformée en un escalier de lacs par une trentaine de barrages, à la fois centrales et écluses qui produisent plus de 20 TWh et permettent à la navigation de remonter jusqu'à Knoxville [...].

Key term(s)
  • Commission de la vallée du Tennessee

Spanish

Save record 1

Record 2 1989-03-22

English

Subject field(s)
  • Mathematics
  • Environmental Studies and Analyses
  • Air Pollution
CONT

In the Alberta Oil Sands Experimental Study, the most commonly used formulas, namely Briggs ..., TVA 1971 and 1972 ... were selected to examine their predictive capability in determining the rise of the GCOS plume.

OBS

TVA 1971 and 1972. Two models for [delta]h were developed at the Air Quality Branch of the Tennessee Valley Authority by Montgomery et al (1971 & 1972). The formulas are based on a full-scale study of plume rise from a large electric generating plant. The first model follows that of Briggs and is based on the 2/3 law. The second however is not based on the 2/3 law but on a best fit to the experimental observations.

French

Domaine(s)
  • Mathématiques
  • Études et analyses environnementales
  • Pollution de l'air

Spanish

Save record 2

Record 3 1989-03-21

English

Subject field(s)
  • Air Pollution
  • Environmental Studies and Analyses
  • Scientific Measurements and Analyses
CONT

Tennessee Valley Authority Method. Carpenter et al (1971) summarized 20 years of TVA experience with the measurement of concentration patterns and related values of meteorological parameters. Stack heights ranged from 75 to 250 m and all the plumes studies were buoyant. TVA used a six-category typing scheme, ranging from neutral to strong inversion, based on lapse rate....

Key term(s)
  • TVA method

French

Domaine(s)
  • Pollution de l'air
  • Études et analyses environnementales
  • Mesures et analyse (Sciences)

Spanish

Save record 3

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