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, 2026, V. 23, No. 2, pp. 129-140

Remote signs of karst process in open areas

E.V. Drobinina 1 , M.A. Kitaeva 1 , A.A. Ezhova 1 
1 Perm State University, Perm, Russia
Accepted: 24.12.2025
DOI: 10.21046/2070-7401-2026-23-2-129-140
The article is devoted to the research of a comprehensive approach to identifying remote signs of sulfate and carbonate-sulfate karst in open areas using remote sensing data. The paper proposes a set of diagnostic indicators systematized using karst areas in Nizhny Novgorod Region, Republic of Bashkortostan, and Perm Krai as examples. The indicators take into account both direct morphological forms of relief (e. g. karst sinkholes, basins, blind valleys) that are clearly identifiable during visual interpretation and indirect geobotanical anomalies identified by spectral analysis methods. Of particular methodological importance is the testing of an algorithm for automatic mapping of karst forms based on the results of spectral analysis, which increases the objectivity and effectiveness of karst monitoring. The conclusion drawn is that remote sensing data, when combined with visual and automated spectral interpretation, are highly reliable and have great potential for assessing the karst hazard of territories.
Keywords: remote sensing, spectral analysis, karst, geoinformation systems
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