Articles | Volume 23, issue 4
Hydrol. Earth Syst. Sci., 23, 1995–2014, 2019
https://doi.org/10.5194/hess-23-1995-2019
Hydrol. Earth Syst. Sci., 23, 1995–2014, 2019
https://doi.org/10.5194/hess-23-1995-2019

Research article 15 Apr 2019

Research article | 15 Apr 2019

Dynamics of wormhole formation in fractured limestones

Wolfgang Dreybrodt and Franci Gabrovšek

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Cited articles

Bauer, S., Birk, S., Liedl, R., and Sauter, M.: Simulation of Karst Aquifer Genesis Using a Double Permeability Approach – Investigations for Confined and Unconfined Settings, in: Processes of Speleogenesis: A modelling approach, edited by: Gabrovsek, F., Carsologica, ZRC Publishing, Ljubljana, 287–321, 2005. 
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Budek, A., Garstecki, P., Samborski, A., and Szymczak, P.: Thin-finger growth and droplet pinch-off in miscible and immiscible displacements in a periodic network of microfluidic channels, Phys. Fluids, 27, 112109, https://doi.org/10.1063/1.4935225, 2015. 
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Numerical models of wormhole formation in fractured porous media provide basic insights on the evolution of complex conduit systems in karst aquifers. In this work we use a time-propagating reactive flow model to explore the evolution of wormholes in a 2-D grid of fractures. We demonstrate physically meaningful mechanisms leading to the formation of individual wormholes and the competition between a set of evolving wormholes.