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Seasonal abundance and characteristics of microplastics in a peri urban river determined by optoelectronic methods

SIMONA ELENA BUTARU1, ELFRIDA MIHAELA CARSTEA1, MARIA RAPA2, IONELA SIMONA DONTU1, DAN SAVASTRU1, CRISTINA LIANA POPA1,*

Affiliation

  1. National Institute of Research and Development for Optoelectronics INOE 2000, 077125, 409 Atomiștilor, Măgurele, Romania
  2. Faculty of Materials Science and Engineering, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania

Abstract

Microplastics are recognized as emerging contaminants in aquatic ecosystems, with potential impact on water quality. However, their seasonal dynamics in urban and peri urban rivers remain insufficiently documented. In this context, the present study investigates the occurrence and seasonal variability of microplastics in surface waters, contributing to a better understanding of their distribution and temporal evolution in river systems. The results highlight the vulnerability of urban rivers to anthropogenic pressures and confirm the role of wastewater treatment plants as potential sources of microplastic contamination, emphasizing the need for effective monitoring strategies and control measures to reduce this type of pollution.

Keywords

Urban river, Water pollution, Microplastics, Seasonal abundance.

Citation

SIMONA ELENA BUTARU, ELFRIDA MIHAELA CARSTEA, MARIA RAPA, IONELA SIMONA DONTU, DAN SAVASTRU, CRISTINA LIANA POPA, Seasonal abundance and characteristics of microplastics in a peri urban river determined by optoelectronic methods, Optoelectronics and Advanced Materials - Rapid Communications, 20, 3-4, March-April 2026, pp.185-192 (2026).

Submitted at: Feb. 20, 2026

Accepted at: April 8, 2026