Fig. 4: Polymer composition and color of microplastics (MPs) detected in the marine boundary layer along the cruise path.
From: Long-range atmospheric transport of microplastics across the southern hemisphere
a MPs fibers chemical compositions; b MPs fragments chemical compositions; c MPs fibers color; d MPs fragments color. The white lines in the center of the colored circles in panels (c) and (d) represent the mean values of the percentages of the respective colors. PET polyethylene terephthalate, PVP polyvinyl propionate, PP polypropylene, PE polyethylene, PUR polyurethane. The source data underlying (a–d) are provided in a Source Data file.
