Journal ArticleDOI
Contaminant transport in aquifers with spatially variable hydraulic and sorption properties
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Contaminant transport in aquifers with spatially variable hydraulic and sorption properties is studied in this article, where the authors consider the case of aquifer aquifer filling.Abstract:
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Citations
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Journal ArticleDOI
DNAPL source depletion: linking architecture and flux response.
TL;DR: The relationship between dense non-aqueous phase liquid (DNAPL) mass reduction and contaminant mass flux was investigated experimentally in four model source zones to investigate the relationship between flux and the up-gradient NAPL architecture.
Journal ArticleDOI
Stochastic simulation of radionuclide migration in discretely fractured rock near the Äspö Hard Rock Laboratory
TL;DR: In this paper, the authors study the migration of sorbing tracers through crystalline rock by combining relatively simple transport measures with particle tracking in a discrete fracture network, where the volume of the rock volume is on a 1-1 1/1 grid.
Journal ArticleDOI
Groundwater contaminant flux reduction resulting from nonaqueous phase liquid mass reduction
TL;DR: A stream tube-based analytical approach to evaluate reduction in groundwater contaminant flux resulting from partial mass reduction in a nonaqueous phase liquid (NAPL) source zone is presented in this article.
Journal ArticleDOI
Upscaling discrete fracture network simulations: An alternative to continuum transport models
TL;DR: In this paper, an approach for direct upscaling of discrete fracture simulations is described, where trajectories for nonreacting tracer particles are first extracted from relatively small discrete fracture network simulations.
Journal ArticleDOI
Emergent archetype patterns of coupled hydrologic and biogeochemical responses in catchments
TL;DR: In this paper, the authors combine a synthesis of observational records with a parsimonious stochastic modeling approach to test how C-Q relationships arise from spatial heterogeneity in catchment solute sources coupled with different timescales of reactions.
References
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Book
Flow and Transport in Porous Formations
TL;DR: In this article, the authors presented a systematic and comprehensive approach to analyze the large scale heterogeneity of aquifers and its effect on the transport of contaminant in subsurface hydrology.
Journal ArticleDOI
Three‐dimensional stochastic analysis of macrodispersion in aquifers
Lynn W. Gelhar,Carl L. Axness +1 more
TL;DR: In this article, the dispersive mixing resulting from complex flow in three-dimensionalally heterogeneous porous media is analyzed using stochastic continuum theory, which is consistent with controlled field experiments and Monte Carlo simulations.
Journal ArticleDOI
Solute transport in heterogeneous porous formations
TL;DR: In this article, a first-order perturbation approximation of the Eulerian velocity covariances for uniform average flow is used to derive closed-form expressions of the closedform expressions for the concentration expectation value, which satisfies a diffusion equation with time-dependent apparent dispersion coefficients.
Journal ArticleDOI
Sorption phenomena in subsurface systems: Concepts, models and effects on contaminant fate and transport
TL;DR: In this article, current levels of understanding of the reactions and processes comprising sorption phenomena are discussed, as well as the forms and utilities of different models used to describe them, and the translation of these concepts into functional models for characterizing sorption rates and equilibria.
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