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. 2023 Jun 22;14:3707. doi: 10.1038/s41467-023-39340-5

Fig. 4. FLEXPART FLEXible PARTicle dispersion model) and HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) model results for evaluation of particle and air mass origin for the respective transects, T1–T7.

Fig. 4

a FLEXPART footprints simulating emissions of microplastic (MP) > 10 µm size fraction at heights from 0–100 m above sea level for a duration of 30 days. b HYSPLIT back trajectories for the height of 30 m above sea level for a 72-h duration. Map data from Wickham H (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. ISBN 978- 3-319-24277-4, https://ggplot2.tidyverse.org.