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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. 4, pp. 387-396

Monitoring changes in the areas of open sands and deflated pastures in the southeast of the European part of Russia in 2024–2025

S.S. Shinkarenko 1 , S.A. Bartalev 1 , A.B. Biarslanov 2 , D. Cheng 3 
1 Space Research Institute RAS, Moscow, Russia
2 Daghestan Federal Research Centre RAS, Makhachkala, Russia
3 China University of Mining and Technology, Xuzhou, China
Accepted: 10.06.2025
DOI: 10.21046/2070-7401-2025-22-4-387-396
This brief communication presents the results of ongoing monitoring of changes in the areas of open sands and deflated territories in the southeast of the European part of the Russian Federation (Astrakhan Region, Stavropol Krai, and the Republics of Dagestan and Kalmykia). In spring 2024, 190,000 ha of vegetation-free pastures were recorded. During the summer and early autumn of 2024, unfavorable hydrothermal conditions were observed across most of the study region, which led to a massive dust storm at the end of September, increasing the area of blown sands to nearly 300,000 ha. By spring 2025, approximately 115,000 ha of open sands and deflated territories were recorded. Thus, about 230,000 ha of vegetation-deprived pastures as of autumn 2024 were partially revegetated to varying degrees, while an additional 32,000 ha of open sands formed anew in 2025. Ground surveys revealed that the vegetation cover on recovering sands consists of ephemeroids, ephemerals, and other annuals, which maintains the risk of intensified deflation processes under unfavorable hydrothermal conditions and strong winds.
Keywords: remote sensing, Landsat, deflation, desertification, Kalmykia, Caspian region, Black lands
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