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Umkehr method [1 record]

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Record 1 1990-05-22

English

Subject field(s)
  • Air Pollution

French

Domaine(s)
  • Pollution de l'air
DEF

Procédé technique qui permet de déterminer la distribution verticale des quantités totales d'ozone, mesurées par un spectrophotomètre-Dobson, en s'appuyant sur l'effet Umkehr.

OBS

En anglais, on trouve souvent la graphie umkehr, sans majuscule initiale; cet usage est justifié car le terme umkehr n'est pas un nom propre, c'est un emprunt à l'allemand, langue dans laquelle ce terme signifie inversion. En français, seule la graphie Umkehr, avec la majuscule, est attestée.

Spanish

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