Partial pressures of CO2 in epikarstic zone deduced from hydrogeochemistry of permanent drips, the Moravian Karst, Czech Republic

Jiří Faimon, Monika Ličbinská, Petr Zajíček, Ondra Sracek

DOI: https://doi.org/10.3986/ac.v41i1.47

Abstract

Permanent drips from straw stalactites of selected caves of the Moravian Karst were studied during one-year period. A hypothetical partial pressure of CO2 that has participated in limestone dissolution, PCO2(H)=10-1.53±0.04, was calculated from the dripwater chemistry. The value significantly exceeds the partial pressures generally measured in relevant shallow karst soils, PCO2(soil)=10-2.72±0.02. This finding may have important implications for karst/cave conservation and paleoenvironmental reconstructions.

Keywords: cave, carbon dioxide, dripwater, hydrogeochemistry,
hypothetical partial pressure, karst processes, karstification model.

Keywords

cave; carbon dioxide; dripwater; hydrogeochemistry; hypothetical partial pressure; karst processes; karstification model

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DOI: https://doi.org/10.3986/ac.v41i1.47

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