Fig. 5: Schematic cross section across a meandering river. | Communications Earth & Environment

Fig. 5: Schematic cross section across a meandering river.

From: Mud and organic content are strongly correlated with microplastic contamination in a meandering riverbed

Fig. 5

Inner bend and thalweg samples (blue) recover sandy point bar sediments where net deposition results in predictable MP concentrations. Outer bend samples (red) are in a net erosional environment where old flood-plain sediments are exposed, resulting in low to negligible MP concentrations. Redrawn and adjusted after Nichols73.

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