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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Detection Methods Environmental Sources Human Health Effects Marine & Wildlife Sign in to save

Microplastic Mass Concentrations and Distribution in German Bight Waters by Pyrolysis–Gas Chromatography–Mass Spectrometry/Thermochemolysis Reveal Potential Impact of Marine Coatings: Do Ships Leave Skid Marks?

Environmental Science & Technology 2021 135 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Christopher Dibke, Christopher Dibke, Christopher Dibke, Christopher Dibke, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Marten Fischer, Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Marten Fischer, Marten Fischer, Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Marten Fischer, Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Marten Fischer, Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher Barbara M. Scholz‐Böttcher

Summary

A mass-based Py-GC/MS survey of microplastics in the German Bight (North Sea) found highly variable concentrations (2–1396 µg/m³) influenced by oceanographic conditions, with coastal samples showing packaging waste signatures and central areas revealing an unexpected signal consistent with marine antifouling paint.

Polymers
PC PE PP PS

In this first mass-related survey of microplastics (MPs, <1 mm) in the German Bight (North Sea, 2.5 m water depth), spatial load, temporal variations, and potential sources were examined. Relevant plastic types were detected using pyrolysis-gas chromatography-mass spectrometry/thermochemolysis (Py-GC/MS). This suitable method provides qualitative and trace-level polymer or polymer cluster-specific mass quantitative MP data. Neither MP concentration (2-1396 μg m<sup>-3</sup>) nor type distribution was homogeneous. Concentrations appeared to be substantially influenced by meteorological and oceanographic conditions. The coastal MP-type composition showed an overprint indicating a packaging waste-related signal. Considerably different compositions were observed in central and estuarine areas. Here, a close relation to marine (antifouling) coating particles, i.e., abrased chlorinated rubber-, acryl-styrene-, and epoxide binder-containing particles are hypothesized as the main MP source, indicating ship "skid marks". They represent a dominant, toxicologically relevant but underestimated marine-based MP share, inverting the widely cited 80% terrestrial- to 20% marine-based debris ratio for MPs. In consequence of the findings, polymer clusters attributed to the basic polymers polyethylene, polypropylene, polystyrene, poly(ethylene terephthalate), poly(vinyl chloride), poly(methyl methacrylate), and polycarbonate are proposed for Py-GC/MS MPs mass determination based on specific thermal decomposition products linked to related polymer structural units.

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