Fig. 4: The multifractal spectrums of the spatial diffusion pattern of COVID-19 in Chinese mainland. | Humanities and Social Sciences Communications

Fig. 4: The multifractal spectrums of the spatial diffusion pattern of COVID-19 in Chinese mainland.

From: Multifractal scaling analyses of the spatial diffusion pattern of COVID-19 pandemic in Chinese mainland

Fig. 4

Note: Spatial information that cannot be seen on a map can be seen on multifractal spectral curves. In (a), the global spectral curves rise on the left and fall on the right over time. This means that the containment management in the diffusion centers is effective, but COVID-19 is still spreading on a small scale in marginal areas. In (b), the peak value of the local spectral curves slightly increases and the opening span slightly expands over time. This means that the total number of confirmed cases of COVID-19 is rising slightly, while the regional difference is increasing.

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