Stupeň skrasovatenia horninového prostredia severného okraja Silickej planiny na základe analýzy výtokových čiar

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Podzemna Voda


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Silická Plateau Middle Triassic carbonates are drained on the northern rim in the Slovak Karst by three karstic springs SE of Krásnohorská Dlhá Lúka municipality. These three springs were previously gauged by the Slovak Hydrometeorological Institute; and named; Buzgó (catalogue No. 1862), Under the quarry (No. 1861) and Under the chapel (No. 1863). Groundwater drainage is from the narrow 800 m limestone block sloping to the Čremošná Brook level; while neighboring slopes are impermeable Lower Triassic shales. The Krásnohorská Cave developed here and drains its underground stream into the Buzgó karst spring. The degree of rock karstification and the groundwater sensitivity to potential contamination were derived by recession curve analysis of the Buzgó and Pod kamenelomom springs. Turbulent flow components (sub-regimes) provide the main mechanism of groundwater runoff; with laminar flow components mathematically described by exponential equations and linked to groundwater circulation in phreatic zone fissures being less significant. This overall groundwater runoff dominance by turbulent flow components is typical of strongly developed karst with large open tectonic faults and karst channels, and it is responsible for high groundwater sensitivity to potential contamination in the limestone aquifer.

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