Table 1
Correlation coefficients (R) of the six topographic explanatory variables of the intensity [Intens], frequency [freq], and duration of the inversions [Seq = duration of the inversion sequences, Persist = duration of persistent inversions]; tn, tx = inversions at minimum and maximum temperatures. Significant coefficients at the 10% (*), 5% (**), or 1% (***) threshold. Elev = elevation, valley = depth of valley, hump = magnitude of positive relief, slope = gradient of the slope of the hillsides or mountainsides, amplit = amplitude (difference in elevation between the high and low stations), dist sea = distance to the nearest sea.
Coefficients de corrélation (R) des six variables topographiques explicatives de l’intensité [Intens], de la fréquence [freq] et de la durée des inversions [Seq = durée des séquences d’inversion, Persist = durée des inversions persistantes]; tn, tx = inversions aux températures minimale et maximale. Coefficients significatifs au seuil de 10% (*), 5% (**), ou 1% (***). Elev = élévation, valley = profondeur des vallées, hump = importance du relief positif, slope = gradient de la pente des versants, amplit = amplitude (différence d’élévation entre les stations haute et basse), dist = distance à la mer ou à l’océan le plus proche.
Intens. tn | Intens. tx | Freq. tn | Freq. tx | Seq. tn | Seq. tx | Persist. | |
---|---|---|---|---|---|---|---|
R elev | 0.69* | 0.88*** | -0.35 | 0.1 | 0.18 | 0.64* | 0.55 |
R valley | 0.97*** | 0.97*** | 0.98*** | 0.86*** | 0.90*** | -0.90*** | 0.95*** |
R hump | -0.92*** | 0.52 | -0.98*** | 0.89*** | -0.99*** | 0.88*** | -0.98 |
R slope | -0.84** | 0.73** | -0.89*** | 0.65* | -0.44 | 0.68* | 0.50 |
R amplit | 0.98*** | 0.95*** | 0.98*** | 0.66* | 0.96*** | -0.82*** | 0.93*** |
R dist | 0.89*** | -0.93** | 0.99*** | -0.95*** | 0.97** | -0.95*** | 0.99*** |
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