The Potential Role of Sediment Iron and Sulfur Speciation in ...

Abstract. Oxidized iron (Fe) can reduce seagrass dieback when present in sufficient quantities in the sediment to fix sulfide as pyrite (FeS2) or iron ...

Oxidized iron (Fe) can reduce seagrass dieback when present in sufficient quantities in the sediment to fix sulfide as pyrite (FeS2) or iron ...

(PDF) The Potential Role of Sediment Iron and Sulfur Speciation in ...

PDF | Oxidized iron (Fe) can reduce seagrass dieback when present in sufficient quantities in the sediment to fix sulfide as pyrite (FeS2) ...

The Potential Role of Sediment Iron and Sulfur Speciation in ... - OUCI

Oxidized iron (Fe) can reduce seagrass dieback when present in sufficient quantities in the sediment to fix sulfide as pyrite (FeS 2 ) or iron monosulfide ...

Sulfur cycling in freshwater sediments: A cryptic driving force of iron ...

Consequently, continuous dissolution of Fe(III) oxides led to significant increase of PO43− concentration in the water column and sediment pore- ...

The influence of sulfur and iron on dissolved arsenic concentrations ...

Under oxic conditions, it is widely accepted that arsenic in sediments is removed from solution by adsorption to or coprecipitation with ferric oxyhydroxide and ...

The Sedimentary Carbon-Sulfur-Iron Interplay – A Lesson From East ...

We explore the dynamics of the subsurface sulfur, iron and carbon cycles in salt marsh sediments from East Anglia, United Kingdom.

Zero-Valent Sulfur and Metal Speciation in Sediment Porewaters of ...

Knowledge of metal speciation is the key to understanding cycling, mobility and biological effects of metals in the aquatic environment.

An Analysis of the Roles of Sulfate, Organic Carbon, and Iron a

Abstract The generation of elevated concentrations of sulfide in sediment pore waters that are toxic to rooted macrophytes is problematic in ...

Iron and sulfur speciation and cycling in the sediments of marine ...

We found that the reactive iron content in the surface sediments of the Gulf of Aqaba and the Red Sea is high, whereas the amount of sulfur- ...

Abundant iron and sulfur oxidizers in the stratified sediment of a ...

Iron oxidation by Sideroxydans and Gallionella in the sediments is an important metabolic function of Sideroxydans spp. and Gallionella spp..

The Potential Role of S-and Fe-Cycling Bacteria on the Formation of ...

The precipitation of vivianite in the flooded sediments was favored by a greater availability of Fe(II), which promoted the iron-reducing bacteria (IRB) ...

The role of iron and sulfur in the visual appearance of lake sediment ...

The appearance of varves may also be influenced by chemical processes. We assessed the role of iron (Fe) and sulfur (S) in the appearance of ...

Changes in Iron, Sulfur, and Arsenic Speciation Associated with ...

Biologically mediated redox processes have been shown to affect the mobility of iron oxide-bound arsenic in reducing aquifers.

Molar Fe:S ratio in the aquarium sediments at the end of the...

Oxidized iron (Fe) can reduce seagrass dieback when present in sufficient quantities in the sediment to fix sulfide as pyrite (FeS2) or iron monosulfide (FeS).

Complex Microbial Communities Drive Iron and Sulfur Cycling in ...

We further predict that the lower availability of organic matter close to the glaciers results in a diminished role of sulfate reducers, explaining why others ( ...

Unraveling the Mineralogical Complexity of Sediment Iron ...

The iron speciation proxy estimates proportions of different reactive iron species in fine-grained sedimentary rocks, which are mapped to redox ...

The Biogeochemical Sulfur Cycle of Marine Sediments - Frontiers

Sulfate reduction occurs also in the upper sediment layers, which are geochemically characterized by iron reduction, and the rates may even be highest in this ...

Assessment of the ameliorating effect of sedimentary iron inputs on ...

Assessment of the ameliorating effect of sedimentary iron inputs on sulfide stress in eelgrass beds ... Authors: Shi-Qi Li; Hong-Yu Zhang; Bin Kang; Qian Zhang ...

The potential role of sediment iron and sulfur speciation ... - 研飞ivySCI

The potential role of sediment iron and sulfur speciation in seagrass meadow loss and recovery. 沉积物中铁和硫形态在海草床损失与恢复中的潜在作用. Katherine ...