KarstBase a bibliography database in karst and cave science.
Featured articles from Cave & Karst Science Journals
Characterization of minothems at Libiola (NW Italy): morphological, mineralogical, and geochemical study, Carbone Cristina; Dinelli Enrico; De Waele Jo
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The karst paradigm: changes, trends and perspectives, Klimchouk, Alexander
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The use of damaged speleothems and in situ fault displacement monitoring to characterise active tectonic structures: an example from Zapadni Cave, Czech Republic , Briestensky, Milos; Stemberk, Josef; Rowberry, Matt D.;
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Calculating flux to predict future cave radon concentrations, Rowberry, Matt; Marti, Xavi; Frontera, Carlos; Van De Wiel, Marco; Briestensky, Milos
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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;
PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Journal of Hydrology, 2002, Vol 256, Issue 2, p. 48-59
Identifying the flow systems in a karstic-fissured-porous aquifer, the Schneealpe, Austria, by modelling of environmental O-18 and H-3 isotopes
Maloszewski P. , Stichler W. , Zuber A. , Rank D. ,
Abstract:
The Schneealpe karst massif of Triassic limestones and dolomites with the altitude up to 1800 m a.s.l., situated 100 km SW of Vienna in Kalkalpen, is the main drinking water resource for the city. The catchment area of about 23 km(2) is drained by two springs: the Wasseralmquelle (196 Vs) and the Siebenquellen (310 1/s). This karstic aquifer is approximated by two interconnected parallel flow systems of: (a) a fissured-porous aquifer, and (b) karstic channels. The fissured-porous aquifer is of a high storage capacity and contains mobile water in the fissures and stagnant water in the porous matrix. The water enters this system at the surface and flows through it to drainage channels, which are regarded as a separate flow system, finally drained by both springs. The channels are also connected with sinkholes, which introduce additional water directly from the surface, Measurements of O-18 and tritium in precipitation and springs were modelled by a combined application of lumped-parameter models. Modelling yielded information on the mean values of the following hydraulic parameters: (1) The volume of water in the whole catchment area is 255 X 10(6) m(3), of which about 1.8 X 10(6) m(3) are in channels and 253 X 10(6) m(3) in the fissured-porous aquifer. (2) The total volumetric flow rate is 506 1/s, of which 77 1/s comprises direct flow from sinkholes to springs and 429 1/s are contributed to fissured-porous aquifer. (3) As the volume of the massif is 16.6 x 10 m(3), the total water saturated porosity (fissures and micropores of the matrix) is 1.5% and the channel porosity is about 0.01%. (C) 2002 Elsevier Science B.V. All rights reserved
The Schneealpe karst massif of Triassic limestones and dolomites with the altitude up to 1800 m a.s.l., situated 100 km SW of Vienna in Kalkalpen, is the main drinking water resource for the city. The catchment area of about 23 km(2) is drained by two springs: the Wasseralmquelle (196 Vs) and the Siebenquellen (310 1/s). This karstic aquifer is approximated by two interconnected parallel flow systems of: (a) a fissured-porous aquifer, and (b) karstic channels. The fissured-porous aquifer is of a high storage capacity and contains mobile water in the fissures and stagnant water in the porous matrix. The water enters this system at the surface and flows through it to drainage channels, which are regarded as a separate flow system, finally drained by both springs. The channels are also connected with sinkholes, which introduce additional water directly from the surface, Measurements of O-18 and tritium in precipitation and springs were modelled by a combined application of lumped-parameter models. Modelling yielded information on the mean values of the following hydraulic parameters: (1) The volume of water in the whole catchment area is 255 X 10(6) m(3), of which about 1.8 X 10(6) m(3) are in channels and 253 X 10(6) m(3) in the fissured-porous aquifer. (2) The total volumetric flow rate is 506 1/s, of which 77 1/s comprises direct flow from sinkholes to springs and 429 1/s are contributed to fissured-porous aquifer. (3) As the volume of the massif is 16.6 x 10 m(3), the total water saturated porosity (fissures and micropores of the matrix) is 1.5% and the channel porosity is about 0.01%. (C) 2002 Elsevier Science B.V. All rights reserved
Keywords: aid, aquifer, area, austria, c, capacity, carbonate aquifers, catchment, catchment area, channel, channel porosity, channels, dolomite, dolomites, drainage, drinking water, drinking-water, environmental isotopes, fissure porosity, flow, flow dynamics, flows, germany, hydraulic parameters, information, isotope, isotopes, karst, karstic aquifer, limestone, limestones, lumped parameter, lumped parameter model, massif, matrix, matrix porosity, model, modelling, models, o-18, parameters, poland, porosity, precipitation, rocks, science, sinkhole, sinkholes, spring, springs, storage, surface, system, systems, time, times, triassic, triassic limestones, tritium, values, volume, water, water storage,