Studying the Concentration of Microplastic Particles in Water, Bottom Sediments and Subsoils in the Coastal Area of the Neva Bay, the Gulf of Finland

Sh. R. Pozdnyakov, E.V. Ivanova, A. V. Guzeva, E. P. Shalunova, K. D. Martinson, D. A. Tikhonova

Research output

Abstract

The concentration of microplastic particles (with size from 100 µm to 5 mm) and their chemistry were studied in water, subsoils and sediments in the coastal area of the Neva Bay, the Gulf of Finland. The characteristics determined in the study were the dominating shapes of the particles, their size range, polymer chemistry and concentrations in different media, i.e., in water, bottom sediments, and coastal subsoils. Microplastic concentrations in bottom sediments and coastal subsoils are far in excess of their concentration in water mass. The spatial distribution of microplastic particles was studied in water, coastal subsoils, and bottom sediments of the Neva Bay, the Gulf of Finland. Microplastic concentration at the water edge was found to decrease with the distance from St. Petersburg City and Neva mouth, along either the northern or the southern coast. After reaching the Gulf of Finland, the Neva water, polluted by microplastic particles, is diluted and continues moving and distributing in accordance with the dominating westward hydrodynamic transport.
Original languageEnglish
Pages (from-to)599-607
JournalWater Resources
Volume47
Issue number4
Publication statusPublished - 30 Jul 2020

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