Атмосферное осаждение микропластика в городе Барнауле

Данил Алексеевич Филиппенко; Наталья Сергеевна Малыгина; Дмитрий Владимирович Черных

doi:10.17308/geo/1609-0683/2026/1/142-151

Authors

Danil A. Filippenko Institute for Water and Environmental Problems SB RAS
Natalia S. Malygina Institute for Water and Environmental Problems SB RAS
Dmitriy V. Chernykh Institute for Water and Environmental Problems SB RAS

DOI:

https://doi.org/10.17308/geo/1609-0683/2026/1/142-151

Keywords:

atmospheric deposition of microplastics, Barnaul, wind transport, anthropogenic load, Nile red, fluorescence microscopy

Abstract

The purpose is to evaluate the atmospheric deposition of microplastics (MP) in Barnaul city district and the factors of its spatial distribution. Materials and methods. Passive sampling of atmospheric precipitation for the period 05.15.2024-06.15.2024 at 7 points. Identifi cation of MP by fl uorescence microscopy (Nile red staining) after H2O2 treatment. Analysis of wind conditions and landscape conditions. Results and discussion. Daily precipitation ranged from 32,3 to 225,8 particles/m2 /day, the maximum was recorded in the residential area of Solnechnaya Polyana (225,8) and near the Zmeinogorsky tract (Lisavenko Research Institute, 209,8). Fragments (78,9 %) of PVC (24,6 %), PP (24,6 %), and LDPE (20,4 %) polymers dominate, associated with vehicle and packaging wear. The distribution is determined by westerly winds, building density and anthropogenic load. Conclusions. The level of MP deposition in Barnaul city district is comparable to other urbanized areas. The key infl uencing factors are local sources (transport), wind transport and particle morphology. The results confi rm the secondary origin of MP and the need to regulate the use of plastics.

Author Biographies

Danil A. Filippenko, Institute for Water and Environmental Problems SB RAS

Postgraduate
Natalia S. Malygina, Institute for Water and Environmental Problems SB RAS

Cand. Sci. (Geogr.), Leading Researcher
Dmitriy V. Chernykh, Institute for Water and Environmental Problems SB RAS

Dr. Sci. (Geogr.), Senior Researcher

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