Geologicheskii Vestnik

Karst occupies a special place among dangerous geological processes in terms of distribution intensity, the unexpected occurrence of its manifestations and their impact on socio-economic objects and engineering structures. Active development of karst is observed in the most economically developed areas of the region. In the Republic of Bashkortostan karst rocks are distributed on about 50% of the territory, almost 30% of the area affected by surface and subterranean karstings, about 40% of urban and at least 20% of the rural population lives in the areas of karst development. Every year there is recorded the formation of dozens of new failures, once in 5–6 years, there are abnormally large gaps with a diameter of 15–40 and a depth of over 20 m. Karst holes provoke deformation of administrative and residential buildings, causing accidents on engineering structures. The intensification of karst processesin the Cis-Uralssignificantly contributed to the development of paleovalleys in the Neogene-Quaternary time. The use of geographic information systems for the assessment and forecast of the development of observed geological processes, events and phenomena, spatial and temporal data analysis, operational input of information, analysis of the territories of distribution of karst rocks, the definition of hazardous areas in the design and construction of various objects can significantly optimize the process of solving various practical problems.

geographic information systems, geohazards, karst, database, mapping

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