Signal, Noise and Degrees of Freedom in inter-annual ...

The grey lines indicate each stations and the bold line with circle is the standardized anomaly index (= mean of the 13 stations). Figure 4 : Mean (full line with circle), minimum and maximum (dashed line) of degrees of freedom (DOF) of all the combinations (from 2 to 13 stations) of (a) the seasonal amount, (b) rainfall occurrence and (c) mean ... ................
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