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

Perne, M.; Covington, M.; Gabrovšek, F.

doi:10.5194/hess-18-4617-2014

Articles | Volume 18, issue 11

https://doi.org/10.5194/hess-18-4617-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-18-4617-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 18, issue 11

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, M. Covington, and F. Gabrovšek

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Nov 2014	96	68	5	169
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Cumulative views and downloads (calculated since 19 Jun 2014)

Month	HTML	PDF	XML	Total
Jun 2014	43	45	2	90
Jul 2014	49	34	1	84
Aug 2014	9	19	2	30
Sep 2014	16	22	1	39
Oct 2014	6	7	0	13
Nov 2014	96	68	5	169
Dec 2014	42	45	3	90
Jan 2015	32	29	1	62
Feb 2015	16	22	0	38
Mar 2015	18	10	0	28
Apr 2015	25	7	2	34
May 2015	3	19	1	23
Jun 2015	37	34	0	71
Jul 2015	24	32	1	57
Aug 2015	10	20	0	30
Sep 2015	7	7	11	25
Oct 2015	19	12	17	48
Nov 2015	23	12	1	36
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Aug 2025	22	18	1	41
Sep 2025	40	19	1	60
Oct 2025	21	23	1	45
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Latest update: 24 Nov 2025

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.