From mixed flow reactor to column experiments and modeling: Upscaling of calcite dissolution rate

A Bouissonnié, D Daval, M Marinoni, P Ackerer - Chemical Geology, 2018 - Elsevier
The objective of this work was to assess the extent to which calcite dissolution rate (R
calcite) measured at controlled saturation state in mixed flow set-ups could be upscaled to …

Improving predictions of solute transport in a laboratory sandbox aquifer through high-resolution characterization with hydraulic tomography

Z Zhao, SJ Berg, WA Illman, Y Qi - Journal of Hydrology, 2022 - Elsevier
Hydraulic tomography (HT) has been developed over the last two decades to image
subsurface heterogeneity at high resolution that is critically important to robust solute …

A Computationally Efficient Method for Estimating Multi‐Model Process Sensitivity Index

H Dai, F Zhang, M Ye, A Guadagnini… - Water Resources …, 2022 - Wiley Online Library
Identification of important processes of a hydrologic system is critical for improving process‐
based hydrologic modeling. To identify important processes while jointly considering …

HESS Opinions: Chemical transport modeling in subsurface hydrological systems–Space, time, and the holy grail of “upscaling”

B Berkowitz - Hydrology and Earth System Sciences …, 2021 - hess.copernicus.org
Extensive efforts over decades have focused on quantifying chemical transport in
subsurface geological formations, from microfluidic laboratory cells to aquifer field scales …

Numerical Benchmark Studies on Flow and Solute Transport in Geological Reservoirs

S Karmakar, A Tatomir, S Oehlmann, M Giese… - Water, 2022 - mdpi.com
Predicting and characterising groundwater flow and solute transport in engineering and
hydrogeological applications, such as dimensioning tracer experiments, rely primarily on …

Grid convergence for numerical solutions of stochastic moment equations of groundwater flow

CA Xia, A Guadagnini, BX Hu, M Riva… - … Research and Risk …, 2019 - Springer
We provide qualitative and quantitative assessment of the results of a grid convergence
study in terms of (a) the rate/order of convergence and (b) the grid convergence index, GCI …

Modeling Contaminant Transport in Fine Sands: Three-Dimensional Sandbox Experiments and Numerical Simulation

A Ahmadizadeh, AA Hekmatzadeh… - Iranian Journal of …, 2022 - Springer
Transverse dispersion has been studied in the literature less than longitudinal dispersion,
especially in porous media with fine and very fine sand. In this research, an experimental …

Heterogeneous hydraulic conductivity and porosity fields reconstruction through steady-state flow and transient solute transport data using the continuous adjoint state

F Delay, H Badri, P Ackerer - Advances in Water Resources, 2019 - Elsevier
A parameter estimation methodology has been developed on the basis of model inversion
using a Quasi–Newton method and adaptive parameterization. The continuous adjoint state …

Porous medium typology influence on the scaling laws of confined aquifer characteristic parameters

C Fallico, A Lauria, F Aristodemo - Water, 2020 - mdpi.com
An accurate measurement campaign, carried out on a confined porous aquifer, expressly
reproduced in laboratory, allowed the determining of hydraulic conductivity values by …

[PDF][PDF] Numerical Benchmark Studies on Flow and Solute Transport in Geological Reservoirs. Water 2022, 14, 1310

S Karmakar, A Tatomir, S Oehlmann, M Giese… - 2022 - academia.edu
Predicting and characterising groundwater flow and solute transport in engineering and
hydrogeological applications, such as dimensioning tracer experiments, rely primarily on …