2023
DOI: 10.1029/2022wr033816
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Channel Network Modeling of Flow and Transport in Fractured Rock at the Äspö HRL: Data‐Worth Analysis for Model Development, Calibration and Prediction

Abstract: Performance assessment of nuclear waste disposal in deep crystalline bedrock demands a thorough understanding of the related flow and transport processes. Uncertainties may arise both from the selection of the conceptual model as well as the estimation of the related model parameters. Discrete fracture network (DFN) models are widely used for such modeling while channel network models (CNM) provide an alternative representation, the latter focusing on the fact that flow and transport in deep fractured media of… Show more

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Cited by 6 publications
(2 citation statements)
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References 42 publications
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“…Further generalization was proposed by considering a limited extent for the stagnant water region, multiple geological layers for the rock matrix and the possibility for the stagnant water and the flowing channel to have different aperture (Mahmoudzadeh et al., 2013). Channel models have also been used in more complex geometries, in the so‐called Channel Network Models (CNM) (Cacas et al., 1990; Dessirier et al., 2023).…”
Section: Introductionmentioning
confidence: 99%
“…Further generalization was proposed by considering a limited extent for the stagnant water region, multiple geological layers for the rock matrix and the possibility for the stagnant water and the flowing channel to have different aperture (Mahmoudzadeh et al., 2013). Channel models have also been used in more complex geometries, in the so‐called Channel Network Models (CNM) (Cacas et al., 1990; Dessirier et al., 2023).…”
Section: Introductionmentioning
confidence: 99%
“…They are relatively simple to set up and can handle large and complex fracture networks. They are also flexible, allowing for the inclusion of additional processes such as two-phase flow or geomechanical deformation (Dessirier et al, 2023;Junqi et al, 2022;Shahkarami et al, 2019). However, they are limited by their assumption of steady-state flow and their inability to capture spatial variations in permeability or other properties of the fractures.…”
Section: Hannel/pipe Netw Ork (C /P N )mentioning
confidence: 99%