Dynamic responses of trace metal bioaccessibility to fluctuating redox conditions in wetland soils and stream sediments

N Sharma, Z Wang, JG Catalano… - ACS Earth and Space …, 2022 - ACS Publications
Natural aquatic systems undergo fluctuating redox conditions due to microbial activities,
varying water saturation levels, and nutrient dynamics. With fluctuating redox conditions …

Underlying lithology controls trace metal mobilization during redox fluctuations

EK King, A Thompson, JC Pett-Ridge - Science of the total environment, 2019 - Elsevier
Redox state fluctuations are a primary mechanism controlling the mobilization of trace
metals in soils. However, underlying lithology may modulate the effect that redox fluctuations …

Is trace metal release in wetland soils controlled by organic matter mobility or Fe-oxyhydroxides reduction?

M Grybos, M Davranche, G Gruau… - Journal of colloid and …, 2007 - Elsevier
Aerobic and anaerobic incubation experiments on a wetland soil samples were used to
assess the respective roles of organic matter (OM) release, Fe-oxyhydroxides reduction and …

Indirect effects of climate change on zinc cycling in sediments: The role of changing water levels

SM Nedrich, GA Burton - Environmental toxicology and …, 2017 - Wiley Online Library
Increased variability in lake and river water levels associated with changing climate could
impact the fate and effects of metals in redox‐sensitive sediments through the alteration of …

Copper dynamics under alternating redox conditions is influenced by soil properties and contamination source

R Balint, D Said-Pullicino, F Ajmone-Marsan - Journal of Contaminant …, 2015 - Elsevier
Understanding the effect of soil redox conditions on contaminant dynamics is of significant
importance for evaluating their lability, mobility and potential transfer to other environmental …

[HTML][HTML] Hydrologic and biogeochemical controls on trace element export from northern Wisconsin wetlands

SC Kerr, MM Shafer, J Overdier, DE Armstrong - Biogeochemistry, 2008 - Springer
Wetlands play an important role in determining the water quality of streams and are
generally considered to act as a sink for many reactive species. However, retention of …

Redox-induced mobilization of copper, selenium, and zinc in deltaic soils originating from Mississippi (USA) and Nile (Egypt) River Deltas: A better understanding of …

SM Shaheen, T Frohne, JR White, RD DeLaune… - Journal of …, 2017 - Elsevier
Studies about the mobilization of potentially toxic elements (PTEs) in deltaic soils can be
challenging, provide critical information on assessing the potential risk and fate of these …

[HTML][HTML] Drivers and seasonal variability of redox-sensitive metal chemistry in a shallow subterranean estuary

AE O'Connor, EA Canuel, AJ Beck - Frontiers in Environmental …, 2022 - frontiersin.org
The subterranean estuary (STE) has been historically defined in terms of the mixing of saline
and fresh water, in an analogy to surface estuaries. However, redox gradients are also a …

Seasonal oxygenation of contaminated floodplain soil releases Zn to porewater

C Dewey, F Juillot, S Fendorf… - Environmental Science & …, 2023 - ACS Publications
Soil zinc contamination is a major threat to water quality and sensitive ecosystems. While Zn
itself is not redox-active in soils, transitions in soil redox conditions may promote …

Iron and sulfur cycling in acid sulfate soil wetlands under dynamic redox conditions: A review

N Karimian, SG Johnston, ED Burton - Chemosphere, 2018 - Elsevier
Acid sulfate soils (ASS) contain substantial quantities of iron sulfide minerals or the oxidation
reaction products of these sulfidic minerals. Transformation of iron (Fe) and sulfur (S) …