Environmental fluctuations and their effects on microbial communities, populations and individuals

J Nguyen, J Lara-Gutiérrez… - FEMS microbiology …, 2021 - academic.oup.com
From the homeostasis of human health to the cycling of Earth's elements, microbial activities
underlie environmental, medical and industrial processes. These activities occur in chemical …

Mixing in porous media: concepts and approaches across scales

M Dentz, JJ Hidalgo, D Lester - Transport in Porous Media, 2023 - Springer
This review provides an overview of concepts and approaches for the quantification of
passive, non-reactive solute mixing in steady uniform porous media flows across scales …

Competition between growth and shear stress drives intermittency in preferential flow paths in porous medium biofilms

DL Kurz, E Secchi, FJ Carrillo… - Proceedings of the …, 2022 - National Acad Sciences
Bacteria in porous media, such as soils, aquifers, and filters, often form surface-attached
communities known as biofilms. Biofilms are affected by fluid flow through the porous …

Direct characterization of solute transport in unsaturated porous media using fast X-ray synchrotron microtomography

S Hasan, V Niasar, NK Karadimitriou… - Proceedings of the …, 2020 - National Acad Sciences
Solute transport in unsaturated porous materials is a complex process, which exhibits some
distinct features differentiating it from transport under saturated conditions. These features …

Preferential flow in three-dimensional stochastic fracture networks: The effect of topological structure

F Xiong, H Sun, Q Zhang, Y Wang, Q Jiang - Engineering Geology, 2022 - Elsevier
This study explores how the topology-based measure of connectivity of a three-dimensional
discrete fracture network (DFN) can be used to predict flow channelization, a commonly …

[HTML][HTML] Advancing measurements and representations of subsurface heterogeneity and dynamic processes: towards 4D hydrogeology

T Hermans, P Goderniaux, D Jougnot… - Hydrology and Earth …, 2023 - hess.copernicus.org
Essentially all hydrogeological processes are strongly influenced by the subsurface spatial
heterogeneity and the temporal variation of environmental conditions, hydraulic properties …

Velocity distributions, dispersion and stretching in three-dimensional porous media

M Souzy, H Lhuissier, Y Méheust… - Journal of Fluid …, 2020 - cambridge.org
Using index matching and particle tracking, we measure the three-dimensional velocity field
in an isotropic porous medium composed of randomly packed solid spheres. This high …

Mixing-limited reactions in porous media

AJ Valocchi, D Bolster, CJ Werth - Transport in Porous Media, 2019 - Springer
Mixing-driven reactions in porous media are ubiquitous and span natural and engineered
environments, yet predicting where and how quickly reactions occur is immensely …

Pore-scale mechanisms for spectral induced polarization of calcite precipitation inferred from geo-electrical millifluidics

S Izumoto, JA Huisman, E Zimmermann… - Environmental …, 2022 - ACS Publications
Spectral induced polarization (SIP) has the potential for monitoring reactive processes in the
subsurface. While strong SIP responses have been measured in response to calcite …

Mixing and reactive fronts in the subsurface

M Rolle, T Le Borgne - Reviews in Mineralogy and …, 2019 - pubs.geoscienceworld.org
The interplay between mixing and reactive processes plays a pivotal role in a range of
biogeochemical processes controlling the transport, transformation and turnover of chemical …