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Table 1 Estimated parameters of the linear model with confidence intervals shown in parentheses

From: Tracing the horizontal transport of microplastics on rough surfaces

Model parameter

Estimate (CI)

Intercept (mm)

1.76 (1.2, 2.3)

Equivalent diameter (mm μm−1)

-2.96E-03 (-4.49E-03, -1.54E-03)

Inclination (mm degree−1)

-0.46 (-0.69, -0.27)

Irrigation (mm L −1 h)

0.89 (0.57, 1.3)

Roughness fine (mm)

3.33 (1.97, 5.11)

  1. The parameters correspond to βi in Eq. 1. They represent slopes for numerical variables and an additive effect for the factor roughness