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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2025, V. 22, No. 6, pp. 326-336

Features of changes in surface temperature of the Sea of Azov in the 21st century according to satellite data

S.V. Stanichny 1 , N.V. Vasilenko 1 , V.A. Rubakina 1 , A.A. Kubryakov 1 , V.V. Kulygin 2 , S.V. Berdnikov 2 
1 Marine Hydrophysical Institute RAS, Sevastopol, Russia
2 Southern Scientific Centre RAS, Rostov-on-Don, Russia
Accepted: 05.11.2025
DOI: 10.21046/2070-7401-2025-22-6-326-336
The article considers changes in surface layer temperature in the central part of the Sea of Azov and in the Taganrog Bay on the basis of MODIS (Moderate Resolution Imaging Spectroradiometer) scanner data from 2003 to 2024. Features in the annual temperature course in the specified water areas are shown: with almost identical amplitudes of the annual course, the waters of the Taganrog Bay warm up earlier in spring and cool down faster in autumn. With a general warming of the waters over the period under consideration, the trends for different months differ significantly: in April and November the value of the positive trend reaches 0.013°C/year, and in October the trend is negative –0.05…–0.08°C/year. Based on a comprehensive analysis of SEVIRI (Spinning Enhanced Visible and InfraRed Imager) scanner data, situations of anomalous daytime heating are considered using wind speed data and temperature maps from AVHRR (Advanced Very High Resolution Radiometer), VIIRS (Visible Infrared Imaging Radiometer Suite) and TIRS (Thermal InfraRed Sensor) scanners. In calm conditions, the amplitude of daytime heating can exceed 8°C. The possible influence of water turbidity and the presence of cyanobacteria with pigments absorbing in the optical range on the amplitude of the diurnal temperature variation is shown.
Keywords: sea surface temperature, Sea of Azov, Taganrog Bay, daytime heating, MODIS, SEVIRI, AVHRR, satellite data
Full text

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