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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 prusiking is the art of ascending a standing line (rope) by a caver with prusik knots [13] as opposed to the use of a mechanical ascender. see also ascender; knots; mechanical ascender; prusik knot; standing line.?

Checkout all 2699 terms in the KarstBase Glossary of Karst and Cave Terms

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KarstBase a bibliography database in karst and cave science.

Featured articles from Cave & Karst Science Journals
Chemistry and Karst, White, William B.
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Featured articles from other Geoscience Journals
Karst environment, Culver D.C.
Mushroom Speleothems: Stromatolites That Formed in the Absence of Phototrophs, Bontognali, Tomaso R.R.; D’Angeli Ilenia M.; Tisato, Nicola; Vasconcelos, Crisogono; Bernasconi, Stefano M.; Gonzales, Esteban R. G.; De Waele, Jo
Calculating flux to predict future cave radon concentrations, Rowberry, Matt; Marti, Xavi; Frontera, Carlos; Van De Wiel, Marco; Briestensky, Milos
Microbial mediation of complex subterranean mineral structures, Tirato, Nicola; Torriano, Stefano F.F;, Monteux, Sylvain; Sauro, Francesco; De Waele, Jo; Lavagna, Maria Luisa; D’Angeli, Ilenia Maria; Chailloux, Daniel; Renda, Michel; Eglinton, Timothy I.; Bontognali, Tomaso Renzo Rezio
Evidence of a plate-wide tectonic pressure pulse provided by extensometric monitoring in the Balkan Mountains (Bulgaria), Briestensky, Milos; Rowberry, Matt; Stemberk, Josef; Stefanov, Petar; Vozar, Jozef; Sebela, Stanka; Petro, Lubomir; Bella, Pavel; Gaal, Ludovit; Ormukov, Cholponbek;
See all featured articles from other geoscience journals

Charles Town, West Virginia (USA)
Karst Modeling: Karst Waters Institute Special Publication 5, 1999, p. 102-104
Toward understanding transport in the Floridan karst
Abstract:
There is a strong need for better scientific knowledge of groundwater behavior in Floridan-type karstic aquifers and for better mechanisms to transfer such knowledge into practiceTo facilitate this transfer, a new scientific organization called the Hydrogeology Consortium has recently been establishedThe Consortium is described in detail elsewhere in this volumeIts mission is to cooperatively provide scientific knowledge applicable to groundwater resource management and protectionA necessary adjunct to the mission of the Consortium is the development of better models of transport and dispersion in karstic aquifersA first step in this development is elucidation of the shortcomings of the standard model of dispersionIn this model, dispersion is represented by an effective diffusivity, called the dispersion coefficient, which is the product of the mean flow speed and the decorrelation distanceIt is shown that this model does not correctly describe dispersion in an aquifer having porosity that is weakly correlated on a large scaleThat is, the concept of a decorrelation distance is not viable for a non-homogeneous aquiferOne approach toward the quantification of transport and dispersion in karstic aquifers to model the aquifer as a classic Darcian porous medium riddled by a distribution of macroscopic conduitsThe flow properties of this model are compatible with the standard Darcian model, but its transport equation is non-autonomous; it has coefficients that depend on the elapsed time