TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CYCLE SOLAIRE DEUX SIECLES [1 record]

Record 1 1990-05-24

English

Subject field(s)
  • Air Pollution

French

Domaine(s)
  • Pollution de l'air
DEF

Cycle solaire découvert par Sirén à partir d'observations dendrochronologiques.

OBS

La largeur des cernes d'un arbre (tree rings, en anglais) varie selon la pluviosité d'une année. Sirén a observé la récurrence de fortes sécheresses à tous les deux siècles, plus précisément ceux qui commencent par un nombre impair.

Spanish

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