Figure 3 | Scientific Reports

Figure 3

From: Small-scale volcanic aerosols variability, processes and direct radiative impact at Mount Etna during the EPL-RADIO campaigns

Figure 3

Scatter plot of MIIOM UV (a) and NIR (b) AODs and UVS \(\hbox {SO}_2\) simultaneous observations, for C2 [indigo (a), and yellow (b)] and C3 campaign [mauve (a), and orange (b)]. Regression lines and respective Pearson correlation coefficients R\(^2\) are also provided for each campaign and wavelength. Pearson correlation coefficients R\(^2\) for correlations of simultaneous and co-located UVS \(\hbox {SO}_2\) with respect to MIIOM/MIISP AODs observations at different wavelengths (c), for C2 (blue bars) and C3 (green bars).

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