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About the Authors
Anastasiia A. Magaeva
Chehova, 41, 344006, Rostov-on-Don, Russia;
South Federal University,
105/42, Bolshaya Sadovaya Str., Rostov-on-Don, 344006, Russia;
E-mail: a.magaeva@mail.ru
Natalia A. Yaitskaya
2/28, Yana Fabritsiusa Str., Sochi, 354002, Russia;
Southern Scientific Centre of Russian Academy of Sciences,
Chehova, 41, 344006, Rostov-on-Don, Russia;
E-mail: yautskayan@gmail.com
Abstract
The article is dedicated to the investigation of the fast ice dynamics for the period 2000–2020 according to satellite data and field observations using GIS technologies. We used data from International Data Center – Sea Ice and coastal observation points to analyze long-term changes. Data processing and analysis was carried out using the ArcGIS 10.4 software package.
As a result, data were obtained on the spatial and temporal variability of fast ice in the Sea of Azov for the 2000–2020. The area and width of fast ice, the periods of formation, destruction and duration were analyzed. The maps of the fast ice formation frequency were constructed for each month of the winter period: December–March. It is shown that the duration of fast ice on all coastal observation points decreased: for points on the northern coast Taganrog and Mariupol—by 3–5 days, for points on the southern coast of Taganrog Bay—Yeisk and Dolzhanskaya—by 10–12 days, for point Genichesk—7 days. Average long-term fast ice area for 2000–2020 is 1800 km2. But against the background of an increase in winter air temperatures, the fast ice area is decreasing, and in the last winter periods it is not observed. The width of the fast ice at the northern coast of the Sea of Azov and the Taganrog Bay is 5–10 km. In the western and southeastern parts of the sea (sections Temryuk, Arabatskaya and Obitochny), the fast ice width is 2–5 km on average over the winter and was observed in 25 % of cases.
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References
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For citation: Magaeva A.A., Yaitskaya N.A. Fast ice dynamics of the sea of Azov in the XXI centure. InterCarto. InterGIS. GI support of sustainable development of territories: Proceedings of the International conference. Moscow: MSU, Faculty of Geography, 2021. V. 27. Part 3. P. 74–84. DOI: 10.35595/2414-9179-2021-3-27-74-84 (in Russian)