Figure 8

Triangular plots of relative abundances of terrestrial biomarkers.
n-alkanes (C25–C36), fatty acids (C20–C32) and fatty alcohols (C20–C32) in the aerosol samples collected from Beijing. The mountain aerosols collected at Mt. Tai, North China Plain fall in category A2. The marine samples collected from Chichi-Jima Island fall into category B (during winter/spring seasons) and category C (during summer/autumn seasons)35, while the marine samples from the western Pacific23 fall into category D.