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Enviroscan Ukrainian Institute of Speleology and Karstology

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Speleology in Kazakhstan

Shakalov on 04 Jul, 2018
Hello everyone!   I pleased to invite you to the official site of Central Asian Karstic-Speleological commission ("Kaspeko")   There, we regularly publish reports about our expeditions, articles and reports on speleotopics, lecture course for instructors, photos etc. ...

New publications on hypogene speleogenesis

Klimchouk on 26 Mar, 2012
Dear Colleagues, This is to draw your attention to several recent publications added to KarstBase, relevant to hypogenic karst/speleogenesis: Corrosion of limestone tablets in sulfidic ground-water: measurements and speleogenetic implications Galdenzi,

The deepest terrestrial animal

Klimchouk on 23 Feb, 2012
A recent publication of Spanish researchers describes the biology of Krubera Cave, including the deepest terrestrial animal ever found: Jordana, Rafael; Baquero, Enrique; Reboleira, Sofía and Sendra, Alberto. ...

Caves - landscapes without light

akop on 05 Feb, 2012
Exhibition dedicated to caves is taking place in the Vienna Natural History Museum   The exhibition at the Natural History Museum presents the surprising variety of caves and cave formations such as stalactites and various crystals. ...

Did you know?

That aggressiveness is a measure of the relative capacity of water to dissolve rock material. in the context of karstification and speleogenesis this usually concerns the dissolution of limestone or dolomite by the action of dissolved carbon dioxide (carbonic acid), though other acids may also be involved [9].?

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KarstBase a bibliography database in karst and cave science.

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SAZU, Ljubljana
Acta carsologica/Speleology and Karstology, 1998, Vol 27, Issue 1, p. 175-186
Influence of Pedo-chemical Field on Epi-karstification in Subtropical Humid Region-Field Monitoring and Laboratory Experiment
Abstract:

The influence of pedo-chemical conditions on epi-karstification in a karst hydrogeochemical experiment site near Guilin was studied. The dissolution of limestone, and pH, CO2, HCO3- in soil and karst water under soil cover conditions was monitored by using filter tubes containing reference rock plate, and by using portable pH meter, CO2 gas meter and Aqumerck Kit. Laboratory experiments of dissolution under different soil conditions were also conducted by using leaching cylinders. In addition, 13C tracing was carried out on the samples of plant- litter- SOM-soil CO2-spring water-travertine-rock in the karst system. Soil pH, SOM status (subsequently CO2 concentration) and Ca+2 saturation constitutes a pedo-chemical field vigorously affecting the rock dissolution. The carbon in the form of HCO3- in the spring water and of CaCO3 in the travertine was closely related with the soil CO2 gas. Thus, soil carbon through the transferring pathway of air CO2-plant carbon-SOC-soil CO2 was involved in the epi-karstification process, and interface exchange of soil Ca+2, HCO3- with karst water existed in the karst hydrogeochemical flow. A modified model for epi-karstification in the studied area was suggested.