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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 Peclet number is 1. measure of the relative contribution of mechanical dispersion and diffusion to solute transport. it relates the effectiveness of mass transport by advection to the ??????????????vx d c x p c x e ????????????effectiveness of mass transport by either dispersion or diffusion . peclet p c x e ??????????????????2 2 numbers below .0.4 indicate diffusion/dispersion control; 0.4-6.0 suggest that diffusion/dispersion and advection are in transition and thus approximately equal to each other; and >6.0 indicate advection control. large peclet numbers indicate strongly advective systems. 2. a relationship between the advective and diffusive components of solute transport expressed as the ratio of the product of the average interstitial velocity, times the characteristic length, divided by the coefficient of molecular diffusion. small values indicate diffusion dominance, large values indicate advection dominance [22].?

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Featured articles from Cave & Karst Science Journals
Chemistry and Karst, White, William B.
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ISS-UIS
International Journal of Speleology, 1987, Vol 16, Issue 0, p. 101-0
Les mésaventures des sources de l'Estavelle et de l'Inversac en Languedoc Méditerranéen
Abstract:
The Estavelle and the Inversac are two celebrated springs in the Mediterranean Languedoc (South of France). Unfortunately, the first one has been chosen as a type for the karstic cavities alternatively absorbing or discharging the waters, according to the season, which has never been the case. On the opposite, the second one can be taken as model for this alternation as swallow hole or emergence.