Consider the anoxic microsite: acknowledging and appreciating spatiotemporal redox heterogeneity in soils and sediments

EM Lacroix, M Aeppli, K Boye, E Brodie… - ACS Earth and Space …, 2023 - ACS Publications
Reduction–oxidation (redox) reactions underlie essentially all biogeochemical cycles. Like
most soil properties and processes, redox is spatiotemporally heterogeneous. However …

Coupled Processes Involving Organic Matter and Fe Oxyhydroxides Control Geogenic Phosphorus Enrichment in Groundwater Systems: New Evidence from FT-ICR …

Y Tao, Y Du, Y Deng, P Liu, Z Ye, X Zhang… - Environmental …, 2023 - ACS Publications
The enrichment of geogenic phosphorus (P) in groundwater systems threatens
environmental and public health worldwide. Two significant factors affecting geogenic P …

A Critical Look at Colloid Generation, Stability, and Transport in Redox-Dynamic Environments: Challenges and Perspectives

E Spielman-Sun, K Boye, D Dwivedi… - ACS Earth and Space …, 2024 - ACS Publications
Colloid generation, stability, and transport are important processes that can significantly
influence the fate and transport of nutrients and contaminants in environmental systems …

Reduction Capacity in the Transmissive Zones Fueled by the Embedded Low-permeability Lenses: Implications for Contaminant Transformation in Heterogeneous …

H Wang, Y Zhu, Y Lu, X Bu, Q Zhu, S Yuan - Water Research, 2024 - Elsevier
Redox conditions play a decisive role in regulating contaminant and nutrient transformation
in groundwater. Here we quantitatively described and interpreted the temporal and spatial …

Influence of iron (hydr) oxide mineralogy and contents in aquifer sediments on dissolved organic carbon attenuations during aquifer storage and recovery

TM Anggraini, S An, SH Kim, MJ Kwon, J Chung, S Lee - Chemosphere, 2024 - Elsevier
Aquifer storage and recovery (ASR) is a promising approach for managing water resources
that enhances water quality through biogeochemical reactions occurring within aquifers. Iron …

Heterogeneity in permeability and particulate organic carbon content controls the redox condition of riverbed sediments at different timescales

K Chen, Z Guo, Y Zhan, EE Roden… - Geophysical Research …, 2024 - Wiley Online Library
The hydrological and biogeochemical properties of the hyporheic zone in stream and
riverine ecosystems have been extensively studied over the past two decades. Although it is …

Mountainous floodplain connectivity in response to hydrological transitions

T Babey, Z Perzan, S Pierce, B Rogers… - Water Resources …, 2024 - Wiley Online Library
In mountainous watersheds, floodplain sediments are typically characterized by gravel bed
layers capped by an overlying soil unit that serves as a hotspot for biogeochemical reactivity …

X-ray chemical imaging for assessing redox microsites within soils and sediments

V Noël, K Boye, HR Naughton, EM Lacroix… - Frontiers in …, 2024 - frontiersin.org
Redox reactions underlie several biogeochemical processes and are typically
spatiotemporally heterogeneous in soils and sediments. However, redox heterogeneity has …