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Fracture–Matrix Flow Partitioning Governs Retention Regime Transitions in Unsaturated Fractured Rock

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract Upscaling unsaturated flow in fractured rock remains challenging because fractures and matrix often exhibit sharply contrasting hydraulic behaviors across saturation states. Here, we demonstrate that unsaturated flow undergoes a transition between matrix‐ and fracture‐dominated regimes.
M. A. Pratama   +3 more
wiley   +1 more source

Least‐Resistance Path as a Proxy for Efficient Simulation of Solute Transport in Heterogeneous Porous Media

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract Accurately predicting solute transport remains a central challenge in hydrogeology due to limited data and multiscale subsurface heterogeneity. Fractional Brownian motion (fBm) is widely used to model the logarithm of hydraulic conductivity fields.
Binhao Li   +2 more
wiley   +1 more source

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