Transfer of climatic variables by dripwater: a case study from Kateřinská Cave (Moravian Karst)

Faimon, Jiřı́; Bodláková, Radoslava; Pracný, Pavel; Hebelka, Jiří

doi:10.1007/s12665-016-5982-x

Cited by 9 publications

(16 citation statements)

References 60 publications

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“…The relation between rainfalls, cave dripwater discharge, and water mineralisation (represented by specific conductance) is well visible in the data published recently by Faimon et al (2016) (see Figure 10). The rainfall peaks associated with a water infiltration well agree with the peaks in dripwater discharge (with the lag of 2–5 days) and with the peaks in water mineralisation (represented by SC without a lag).…”

Section: Discussionsupporting

confidence: 82%

“…The rainfall peaks associated with a water infiltration well agree with the peaks in dripwater discharge (with the lag of 2–5 days) and with the peaks in water mineralisation (represented by SC without a lag). It should be noted that such a relationship between precipitation, dripwater discharge and SC is not universal, but is characteristic of so‐called “meteorologically sensitive drips” with direct link to the surface (see Faimon et al, 2016). On the other hand, such drips can reveal the mechanisms of karst processes in the vertical profile above the cave.…”

Section: Discussionmentioning

confidence: 99%

“…Cave mineral deposits (speleothems) are frequently used as terrestrial archives of paleoenvironmental information (see, Fairchild, Tuckwell, Baker, & Tooth, 2006, or Faimon, Bodláková, Pracný, & Hebelka, 2016 for a review). The interpretation of laminae/overgrowths and lamina texture is based on the general idea that external climatic conditions are transferred and encoded into speleothems via the karstification processes (Cruz Jr. et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

“…However, there still remain a number of unresolved questions, both in terms of the hydrological response and mineralisation of carbonate from CO 2 saturated waters. Based on the daily‐scale monitoring in a single cave, Faimon et al (2016) distinguished two different types of drips: the drips that followed the individual precipitation peaks (designated as the meteorologically sensitive drips) and the drips independent of these peaks. In addition to the rate response, the sensitive drips showed the strong positive correlations of specific conductivity (SC), pH, and saturation index (SI (calcite) ) with the precipitations.…”

Section: Introductionmentioning

confidence: 99%

“…However, this explanation is limited: with the exception of a very short residence time (from days to weeks), the mineralisation of water is controlled by P CO2 , and not by the residence time. Faimon et al (2016) suggested that the increase in water mineralisation could be caused by the increase of soil CO 2 production/concentration linked to the rainfall water excess. In the presented article, we test that hypothesis based on field experiments and geochemical modelling.…”

Section: Introductionmentioning

confidence: 99%

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Effect of water excess on soil carbon dioxide, seepage water chemistry, and calcite speleothem growth: An experimental and modelling approach

Lang

Faimon

2020

Hydrological Processes

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The effect of the water excess in soil on soil gaseous carbon dioxide concentrations (c CO2) was studied based on field experiments. The gradual water addition of 15 and 30 L m −2 to leptosols and anthrosols, simulating 15 and 30 mm precipitation, respectively, caused the overall c CO2 increase of 1.53 × 10 −1 mol m −3 (increase by 60%) and 1.61 × 10 −1 mol m −3 (increase by 112%) in the soil airs. The effect of the c CO2 increment on seepage water, cave dripwater chemistry, and calcite speleothem overgrowths was deduced from geochemical modelling. It showed that the c CO2 increments may lead to the increments in total dissolved carbon, aqueous calcium, and dissolved solids of 1.10 × 10 −3 mol L −1 (increase by 35%), 4.45 × 10 −4 mol L −1 (increase by 30%), and 1.55 × 10 −3 mol L −1 (increase by 34%), respectively. After the total degassing of CO 2 in the cave, the increment in the saturation index of dripwater, SI, could reach up to ΔSI = 0.31, which means an increase by hundreds of percent. The water excess of 5 L m −2 following a dry period would cause the increment in saturation index ΔSI = 0.17. The modelling further showed that the c CO2 increase associated with the 30 L m −2 water excess could induce the calcite overgrowth up to 1 μm thick per 1 m 2 surface area. The effect of water excess with additional water supplies gradually weakens, probably due to reduced CO 2 diffusivity and soil microorganism activity. It can be assumed that the most contrasting peaks in dripwater chemistry are associated with the individual precipitation events after short dry periods. The increased supersaturation of dripwater is expected to lead to faster growth of speleothem and changes in calcite textures. K E Y W O R D S calcite speleothem overgrowth, field experiment, geochemical modelling, seepage water chemistry, soil CO 2 concentration, soil water excess Abbreviations symbols and acronyms: [Ca] T , total concentration of dissolved calcium; c CO2 , concentration of gaseous carbon dioxide; CO 2 , carbon dioxide; DLI, daylight illuminance; H 2 O, water; K, equilibrium constant; L, litre; P, barometric pressure; P CO2 , carbon dioxide partial pressure; P CO2(cave) , carbon dioxide partial pressure in cave atmosphere; P CO2(soil) , carbon dioxide partial pressure in soil atmosphere;

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Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of water excess on soil carbon dioxide, seepage water chemistry, and calcite speleothem growth: An experimental and modelling approach

Lang

Faimon

2020

Hydrological Processes

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Karst cave, a seasonal carbon dioxide exchanger: an example of Sloup-Šošůvka Caves (Moravian Karst)

Faimon,

Lang,

Štelcl

et al. 2024

Theor Appl Climatol

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Part of the gaseous carbon dioxide (CO2) produced in karst soils / epikarst is transported into underground cavities / caves during the growing season by advective flux, diffusive flux, and flux associated with degassing of seeping water. In dynamic caves, accumulated CO2 is released into the outside atmosphere during the autumn-winter period through advective flux associated with ventilation of the cave in the upward airflow mode. This case study from the Moravian Karst (MK) showed that the net weight of CO2 released annually from the Sloup-Šošůvka Caves (total volume of 131,580 m3 and a total area of 17,950 m2) into the external atmosphere was 348 kg. Extrapolating this value to all known MK caves (area about 352,080 m2) yielded a total of CO2 flux of 6820 kg yr−1. This flux is representing only 0.024‰ of the annual soil respiration from entire MK area (about 2.81 × 108 kg CO2 yr−1).

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Evolution of Mg/Ca Ratios During Limestone Dissolution Under Epikarstic Conditions

et al. 2017

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Transfer of climatic variables by dripwater: a case study from Kateřinská Cave (Moravian Karst)

Cited by 9 publications

References 60 publications

Effect of water excess on soil carbon dioxide, seepage water chemistry, and calcite speleothem growth: An experimental and modelling approach

Effect of water excess on soil carbon dioxide, seepage water chemistry, and calcite speleothem growth: An experimental and modelling approach

Karst cave, a seasonal carbon dioxide exchanger: an example of Sloup-Šošůvka Caves (Moravian Karst)

Evolution of Mg/Ca Ratios During Limestone Dissolution Under Epikarstic Conditions

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