Tableau 6
Corrélations entre l’indice d’oscillation australe (SOI), les précipitations annuelles et les mois les plus arrosés (DJFM), à Salta et à Mendoza (observatoire) durant le XXe siècle. La significativité des coefficients a été examinée au moyen de la table du “r” de Bravais-Pearson (cases grisées : coefficients significatifs). Correlations between the Southern Oscillation Index (SOI), the annual precipitation and the rainiest months (DJFM), at Salta and Mendoza (observatory), during the twentieth century. The significance of the coefficients was examined with the “r” table of Bravais-Pearson (grey boxes : significant coefficients).
| Période | 1901-2000 |
1901-1990 |
1951-2000 |
1951-1990 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marge d’erreur (%) | 10 | 5 | 2 | 10 | 5 | 2 | 10 | 5 | 2 | 10 | 5 | 2 | |
| SALTA | Année | 0.18 | 0.18 | 0.18 | 0.08 | 0.08 | 0.08 | / | / | / | / | / | / |
| DJFM | 0.22 | 0.22 | 0.22 | 0.17 | 0.17 | 0.17 | 0.10 | 0.10 | 0.10 | 0.07 | 0.07 | 0.07 | |
| MENDOZA | Année | / | / | / | -0.13 | -0.13 | -0.13 | / | / | / | / | / | / |
| DJFM | / | / | / | -0.13 | -0.13 | -0.13 | / | / | / | -0.15 | -0.15 | -0.15 | |
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