Fig. 3: Similarity plot for all chemical profile in 24 sites of profiles belonging to the same factor/source category in this study. | npj Climate and Atmospheric Science

Fig. 3: Similarity plot for all chemical profile in 24 sites of profiles belonging to the same factor/source category in this study.

From: Source apportionment of PM10 based on offline chemical speciation data at 24 European sites

Fig. 3

The mean ± standard deviation for a given source category is plotted. The size of the dot is proportional to the number of available pair of profile (from 10 to 276, shown in parenthesis in the legend). The green box highlights the acceptable area for profile similarity according to Pernigotti and Belis118.

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