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. 2020 Jun 30;10:10661. doi: 10.1038/s41598-020-67642-x

Figure 4.

Figure 4

Multiple signals of the Great Acceleration archived in the Elbrus ice core compared to the trend of the global population as reported by Steffen et al.54. Concentrations of fragrances and PAHs (ng L−1) are from this study. The 5-year moving averages of the summer concentrations (µg L−1) of Black Carbon (BC), Ca2+ as a proxy for dust, and sulphate (SO42−) were published elsewhere22,25,27.