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Long-term mean and modelled R0 decadal variability. (a) Long-term mean R0 for the ASO season (the average is computed for the 1961–1999 period). The magnitude has been scaled to vary between an arbitrary range between 0 and 100%. (b–f) R0 relative anomalies (%) with respect to the reference mean (1961–1999) for different decades. R0 is estimated from the observed climate dataset.
