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INDICE CLIMATIQUE THORNTHWAITE [1 record]

Record 1 2001-11-22

English

Subject field(s)
  • Climatology
  • Soil Science
CONT

C.W. Thornthwaite's third climate classification system (1955) included an Index of Average Annual Thermal Efficiency derived from potential evapotranspiration values. A significant component of Thornthwaite's classification was the Summer Concentration of Thermal Efficiency that measures the concentration of thermal efficiency accumulating in the three summer months as a percentage of the average annual potential thermal efficiency. The Thornthwaite index was chosen as a proxy to represent day length while at the same time considering topography and maritime influences.

Key term(s)
  • Thornthwaite's precipitation-evaporation index
  • Thornthwaite's index
  • index of Thornthwaite

French

Domaine(s)
  • Climatologie
  • Science du sol
DEF

Indice pluviothermique [...]

DEF

Indice climatique [...] qui [prend] en compte l'humidité globale, les variations saisonnières de l'humidité, certains caractères thermiques ainsi que l'évapotranspiration potentielle.

OBS

indice climatique : Combinaison d'éléments météorologiques destinée à caractériser l'état actuel ou habituel de l'atmosphère en vue d'une classification des climats ou d'une application particulière.

Key term(s)
  • indice climatique de Thornthwaite

Spanish

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