Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2023, Vol. 20, No. 6, pp. 276-288
Satellite monitoring of ice cover in the Sea of Azov in winter 2022/2023
A.G. Kostianoy
1, 2, 3 , E.A. Kostianaia
1 , O.Yu. Lavrova
4 , A.Ya. Strochkov
4 1 P.P. Shirshov Institute of Oceanology RAS, Moscow, Russia
2 Moscow Witte University, Moscow, Russia
3 Maykop State Technological University, Maykop, Russia
4 Space Research Institute RAS, Moscow, Russia
Accepted: 28.11.2023
DOI: 10.21046/2070-7401-2023-20-6-276-288
The article presents the results of satellite monitoring of the Sea of Azov ice cover in the winter of 2022/2023 based on daily radar images of the sea surface from Sentinel-1A SAR-C and cloud-free visible images from Sentinel-2 MSI, Landsat-8, -9 OLI. The spatial resolution of the satellite data used was 10–30 m, which made it possible to identify even small ice formations. From December 1, 2022, to March 31, 2023, 52 radar images were received and analyzed in the Kerch Strait area and 73 radar images in the Taganrog Bay area. It is shown that during this winter, ice was virtually absent in the area of the Kerch Strait and formed only in the Taganrog Bay, as in previous years. The absence of ice is confirmed by relatively high air temperature in winter and water temperature in the Kerch Strait area. The annual presence of ice in the Taganrog Bay is explained by the fact that in winter it is the coldest and shallowest area of the Sea of Azov; in addition, it is the most desalinated area due to the runoff of the Don, Kalmius, Mius and Eya rivers.
Keywords: Black Sea, Sea of Azov, Kerch Strait, Taganrog Bay, Crimean Bridge, ice cover, air temperature, satellite images, satellite monitoring, satellite radar imagery, optical imagery, Sentinel-1 SAR-C, Sentinel-2 MSI, Landsat-8, -9 OLI
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