Distribution of Suspended Matter in Karkinitsky Bay Based on Satellite Data

A. A. Aleskerova✉, L. V. Kharitonova, N. V. Vasilenko, A. A. Kubryakov, S. V. Stanichny

Marine Hydrophysical Institute of RAS, Sevastopol, Russian Federation

✉ e-mail: Annete08@mail.ru

Abstract

Purpose. The purpose of the work is to study the spatial-temporal distribution of total suspended matter in the Karkinitsky Bay water area using high- and medium-resolution satellite data.

Methods and Results. The data of MODIS/Aqua, OLI Landsat-8, -9 and MSI Sentinel-2 satellites on the brightness of upwelling radiation and the total suspended matter concentration for 2003–2024 were applied in the study. To analyze the wind and wave regime, the retrospective calculations of wind and wave conditions were statistically analyzed based on the ERA-Interim, ERA5 and SWAN-ERA reanalysis data for the same period, and the typical wave fields were mathematically modeled for the most wave-hazardous regions. The following maps of total suspended matter distribution were compiled: long-term average one, those for each month, for prevailing storm winds and for various wind-wave situations. It was revealed that the lowest values (up to 0.75 mg/L) were typical of the by western deep part, its eastern part was characterized by a more complex structure of distribution and a higher (by 2–4 times) total suspended matter concentrations. Within the seasonal variation, the following periods are distinguished: warm period (May – October) with relatively transparent waters (0.6–0.9 mg/L), cold season (December – March) with maximum total suspended matter concentrations (5.4–6 mg/L), and the periods of spring and autumn off-seasons. The dominant factor in seasonal variability is the storm wind-wave impact. As for the interannual variability, no direct relationship between the annual average values of suspended matter concentration and total storm power index was identified due to the limit of satellite data in cloudy conditions. It is found for the first time that the Small Phyllophora Field constitutes a significant factor influencing the distribution of suspended matter in the eastern part of the bay (lower brightness values above it are recorded in most images).

Conclusions. The waters of Karkinitsky Bay are characterized by high dynamics and spatial heterogeneity of suspended matter distribution. The seasonal variation of total suspended matter concentration is conditioned by the wind-wave regime.

Keywords

suspended matter, satellite data, MODIS-Aqua, Landsat, Karkinitsky Bay, Black Sea, wind-wave regime, retrospective calculations, Small Phyllophora Field

Acknowledgements

The study was carried out with support of RSF grant 25-27-00234 “Study of the formation and redistribution of suspended matter in the Sea of Azov and on the western coast of Crimea”.

About the authors

Anna A. Aleskerova, Senior Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), CSc. (Geogr.), SPIN-code: 57962254, ORCID ID: 0000-0003-1451-3440, Web of Science ResearcherID: F-2966-2017, Scopus Author ID: 57021552600, annete08@mail.ru

Lyudmila V. Kharitonova, Senior Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), CSc. (Geogr.), SPIN-code: 7274-6248, ResearcherID: Y-1780-2018, ORCID ID: 0000-0003-0705-0812, l.kharitonova@mhi-ras.ru

Nadezhda V. Vasilenko, Junior Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), SPIN-code: 4710-2532, Web of Science ResearcherID: JZT-8108-2024, Scopus Author ID: 57358387000, nadinkot.nk@gmail.com

Arseny A. Kubryakov, Deputy Director for Research, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), DSc. (Phys.-Math.), SPIN-code: 4371-8879, Scopus Author ID: 37072750100, WoS ResearcherID: F-8921-2014, ORCID ID: 0000-0003-3561-5913, arskubr@yandex.ru

Sergey V. Stanichny, Senior Researcher, Marine Hydrophysical Institute of RAS (2 Kapitanskaya Str., Sevastopol, 299011, Russian Federation), CSc. (Phys.-Math.), SPIN-code: 8146-9454, ORCID ID: 0000-0002-1033-5678, WoS ResearcherID: F-8915-2014, Scopus Author ID: 6602344280, sstanichny@mail.ru

Original russian text

Original Russian Text © The Authors, 2026, published in MORSKOY GIDROFIZICHESKIY ZHURNAL, Vol. 42, Iss. 3, pp. 447–466 (2026)

For citation

Aleskerova, A.A., Kharitonova, L.V., Vasilenko, N.V., Kubryakov, A.A. and Stanichny, S.V., 2026. Distribution of Suspended Matter in Karkinitsky Bay Based on Satellite Data. Physical Oceanography, 33(3), pp. 482-500.

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