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negative southern oscillation index [1 record]

Record 1 2002-05-16

English

Subject field(s)
  • Atmospheric Physics
  • Scientific Measurements and Analyses
CONT

The Southern Oscillation index is calculated by subtracting pressure in the western Pacific from pressure in the eastern Pacific. The index is positive when the difference between east and west is higher than normal and negative when the difference is lower than normal.

French

Domaine(s)
  • Physique de l'atmosphère
  • Mesures et analyse (Sciences)
CONT

G.Walker a défini un indice d'Oscillation Australe qui est la différence entre les hautes pressions du Pacifique Est et les basses pressions du Pacifique Ouest. L'indice est positif quand la différence entre l'Est et l'Ouest est supérieurs à la différence de pression normale et négatif quand elle lui est inférieure.

Spanish

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