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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 inclinometer is an instrument to measure the inclination of surfaces [16].?

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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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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;
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BCRA
Cave and Karst Science, 2009, Vol 36, Issue 1, p. 5-10
Periodic breakthrough curve of tracer dye in the Gelodareh Spring, Zagros, Iran
Abstract:
The Patagh Dam is under construction in the Kermanshah province in the west of Iran. The right abutment of the dam is located on Ilam-Sarvak limestone, which has the potential of karstification. This limestone is drained by several springs including Gelodareh Spring. In order to study possible leakage through the dam, a dye tracing test was organized in borehole PC208 near the dam. The recession coefficients and hydrochemical data of the Gelodareh Spring show that the flow regime of the area is of diffuse type. The dye appeared in the water samples from borehole PC206 and Gelodareh Spring, which are located downstream of the dam. This demonstrates a hydraulic connection between the injection well and these points. Therefore, there is the potential for seepage through the right abutment of the dam. The measured mean flow velocity to borehole PC206 (0.86 m/h) indicates a diffuse flow regime. The breakthrough curve of the Gelodareh Spring shows multiple peaks without significant tail except the last one. Additionally, the high flow velocity (11.8 m/h) is at odds with a diffuse flow regime. The ambiguous behaviour of the dye breakthrough curve of the Gelodareh Spring is explained by a combination of siphon and diffuse flow systems. Existence of a siphon flow system explains the multiple periodic peaks of the breakthrough curve and the lack of tails. The tail on the last peak is the result of diffuse flow system. A neck, close to the spring or the main conduit, which conveys water to the spring, might be causing the pseudo-steady state behaviour of spring discharge and diminishes the periodic discharge fluctuation, which is created by a siphon. It is probable that the siphon level is situated in the zone of water level fluctuation.