Supplementary Materials

Plastic rain in protected areas of the United States

Janice Brahney, Margaret Hallerud, Eric Heim, Maura Hahnenberger, Suja Sukumaran

Materials/Methods, Supplementary Text, Tables, Figures, and/or References

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  • Materials and Methods
  • Figs. S1 to S5
  • Table S1
  • Captions for Data S1 to S4
  • References
Data S1
Wet deposition plastic data by location and date. Also included are dust, population statistics, air-mass trajectory, and climate data.
Data S2
Dry deposition plastic data by location and date. Also included are dust, population statistics, air-mass trajectory, and climate data.
Data S3
Sheet 1: Plastic data by bin size fraction and volume for wet/dry fiber/particle. Sheet 2: Deposition rates to western US National Parks and total annual deposition calculations. Sheet 3: FTIR determination of plastic mass fraction. Sheet 4: Deposition rates to western US National Parks as determined by FTIR mass fractions.
Data S4
All wet and dry plastic count data with blank subtraction and error estimation.