Articles | Volume 18, issue 11
Hydrol. Earth Syst. Sci., 18, 4617–4633, 2014
https://doi.org/10.5194/hess-18-4617-2014
Hydrol. Earth Syst. Sci., 18, 4617–4633, 2014
https://doi.org/10.5194/hess-18-4617-2014

Research article 24 Nov 2014

Research article | 24 Nov 2014

Evolution of karst conduit networks in transition from pressurized flow to free-surface flow

M. Perne et al.

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Cited articles

Annable, W. K.: Numerical analysis of conduit evolution in karstic aquifers, Ph.D., University of Waterloo, Waterloo, 139 pp., 2003.
Annable, W. K. and Sudicky, E. A.: Simulation of karst genesis: hydrodynamic and geochemical rock-water interactions in partially-filled conduits, Bulletin d'Hydrogeologie, 16, 211–221, 1998.
Audra, P., Bini, A., Gabrovsek, F., Hauselmann, P., Hoblea, F., Jeannin, P., Kunaver, J., Monbaron, M., Sustersic, F., Tognini, P., Trimmel, H., and Wildberger, A.: Cave and karst evolution in the Alps and their relation to paleoclimate and paleotopography, Acta Carsolog., 36, 53–67, 2007.
Audra, P., and Palmer, A. N.: 6.17 The Vertical Dimension of Karst: Controls of Vertical Cave Pattern, in: Treatise on Geomorphology, edited by: Shroder, J. F., Academic Press, San Diego, 186–206, 2013.
Covington, M. D.: Calcite dissolution under turbulent flow conditions: a remaining conundrum, Acta Carsologica, 43, 159–202, 2014.
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Short summary
This is the first modeling study of conduit network evolution in karst aquifers under pressurized and free surface turbulent flow conditions. Under pressurized flow, the evolution is governed by the feedback between the distribution of hydraulic head and the growth of conduits, as has been already revealed by earlier models. We demonstrate the final selection of stable flow paths on the scale of individual junctions, during and after transition to the free-surface flow regime.