Oil Pier at Cape Manganari (Sevastopol) as a Source of Anthropogenic Suspension and Dissolved Oil Products Based on Numerical Modeling and Expedition Data

P. D. Lomakin✉, Yu. N. Ryabtsev, A. I. Chepyzhenko

Marine Hydrophysical Institute of RAS, Sevastopol, Russian Federation

✉ e-mail: p_lomakin@mail.ru

Abstract

Purpose. The purpose of the study is to identify the patterns of propagation of anthropogenic suspended matter and dissolved oil products conditioned by operation of the oil pier located at Cape Manganari in the Sevastopol region, to assess the linear scale of its impact on the surrounding water environment, as well as to determine the parts of water area which are subjected to maximum anthropogenic load.

Methods and Results. Application of the numerical modeling methods, namely the Felzenbaum three-dimensional barotropic linear model generalized for the case of Rayleigh friction, made it possible to reveal the patterns of anthropogenic suspended matter distribution by wind currents from the area where the oil pier was located. It is established that depending on the wind direction, the suspended matter flow spreads from the head of oil pier to the open sea and penetrates into the neighboring bays. The data obtained during the expeditions in the adjacent Kazachya, Kamyshovaya and Abramov bays permitted to examine the structure of the concentration fields of suspended matter and dissolved oil products as an indirect indicator of distribution of these substances. The most polluted areas of the region under study were revealed. The radius of the oil pier impact upon the surrounding water area is assessed.

Conclusions. The modeling results are confirmed by the expedition research data. According to the performed model calculations and the analysis of observational data, the radius of pier impact upon the surrounding water environment is estimated to be 0.5–1.0 miles, and the maximum anthropogenic load falls on the northern halves of the Kazachya and Kamyshovaya bays. At the north-eastern and northern winds, the anthropogenic suspended matter and oil products are accumulated in the northern part of Kazachya Bay, at the western and north-western winds, these pollutants penetrate into Kamyshovaya Bay, and when the wind is southwestern – into Abramov Bay.

Keywords

modeling, wind, total suspended matter, oil pier, Sevastopol bays, Black Sea

Acknowledgements

The study was carried out within the framework of state assignment of FSBSI FRC MHI FNNN-2024-0016.

About the authors

Pavel D. Lomakin, Leading Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), DSc. (Geogr.), Professor, ResearcherID: V-7761-2017, Scopus Author ID: 6701439810, SPIN-code: 5419-9884, p_lomakin@mail.ru

Yuri N. Ryabtsev, Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), ORCID ID: 0000-0002-9682-9969, ResearcherID: ABE-4315-2022, Scopus Author ID: 6506665265, SPIN-code: 7853-4597, ruab@mail.ru

Alexey I. Chepyzhenko, Senior Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), CSc. (Tech.), ORCID ID: 0000-0002-6763-7140, WOSResearcherID: AAG-7929-2020, Scopus Author ID: 6504344211, SPIN-code: 3599-9653, ecodevice@yandex.ru

Original russian text

Original Russian Text © P. D. Lomakin, Yu. N. Ryabtsev, A. I. Chepyzhenko, 2026, published in MORSKOY GIDROFIZICHESKIY ZHURNAL, Vol. 42, Iss. 3, pp. 422–435 (2026)

For citation

Lomakin, P.D., Ryabtsev, Yu.N. and Chepyzhenko, A.I., 2026. Oil Pier at Cape Manganari (Sevastopol) as a Source of Anthropogenic Suspension and Dissolved Oil Products Based on Numerical Modeling and Expedition Data. Physical Oceanography, 33(3), pp. 458-470.

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