Inorganic sulfur cycles in sediments of the Pearl River Estuary: Processes, mechanisms, and isotopic indicators

X Yin, Y Lin, Y Li, L Wang, Z Sun, G Li - Estuarine, Coastal and Shelf …, 2023 - Elsevier
… to the development of estuarine sediments that are a closed … sulfide species (SO 4 2− ,
AVS and pyrite) in sediments from … accumulating sediments will enable H 2 S to form pyrite

Sulfide toxicity as key control on anaerobic oxidation of methane in eutrophic coastal sediments

P Dalcin Martins, JPRC de Monlevad… - Environmental …, 2024 - ACS Publications
… and methane oxidation in estuarine sediments. (21) ANME-2, in … , organic-rich sediments,
sulfide accumulation in the porewaters, … At Sites 5 and 7, this fraction, as well as Fe(II)-pyrite, …

Metastable iron (mono) sulfides in the Shallow-Sea hydrothermal sediments of Milos, Greece

E Kotopoulou, A Godelitsas, J Gottlicher… - ACS Earth and Space …, 2022 - ACS Publications
… reports of iron monosulfides and greigite in marine sediments (… marginal environments, such
as estuaries, salt marshes, anoxic … Apart from pyrite, we also identified the iron monosulfides

Acid-volatile sulfide and acid-extractable iron sediment profiles do not track changes in lake trophic status and atmospheric sulfur deposition

MJ Verschoor, LA Molot, A Zastepa - Journal of Paleolimnology, 2022 - Springer
sediment AVS and acid-extractable Fe accumulation in two lakes with a history of eutrophication
that … some information about sulfide and iron-related processes at the time of formation. …

[HTML][HTML] Trends in estuarine pyrite formation point to an alternative model for Paleozoic pyrite burial

K Hantsoo, M Gomes, D Brenner, J Cornwell… - … et Cosmochimica Acta, 2024 - Elsevier
pyrite accumulation is maximized not under strong sulfate depletion in highly reducing
sediments, but rather in sedimentsPyrite typically forms by the reaction of iron monosulfide (FeS) …

[HTML][HTML] Chemical speciation of mercury, sulfur and iron in a dystrophic boreal lake sediment, as controlled by the formation of mackinawite and framboidal pyrite

U Skyllberg, A Persson, I Tjerngren… - … Et Cosmochimica Acta, 2021 - Elsevier
… of readily soluble inorganic sulfide for formation of β-HgS(s), … to 100 for extreme eutrophic
lakes. Lake Ängessjön had an … , terrestrial NOM is accumulating in lake sediments (range: 80…

[HTML][HTML] Modeling of Sulfur and Iron Dynamics in Enclosed Bay Sediments and Evaluation of the Suppression Effect on Sulfide Release by Iron

F Mochida, T Miyatsuji, Y Nakamura, T Inoue - Water, 2023 - mdpi.com
… In such bays, eutrophication is caused by an increase in the … lower temperatures and
pressures, then pyrite. [5]. Inspired … Kanaya and Kikuchi [8] confirmed that the accumulation of H 2 …

Dynamics of arsenic and its interaction with Fe and S at the sediment-water interface of the seasonal hypoxic Changjiang Estuary

L Duan, J Song, M Yin, H Yuan, X Li, Y Zhang… - Science of the Total …, 2021 - Elsevier
… Arsenic accumulated in sediments could be released into the water column … sulfide minerals
(eg, pyrite and mackinawite) with depth, suggesting the deep removal of Fe via the formation

Seasonal iron‑sulfur interactions and the stimulated phosphorus mobilization in freshwater lake sediments

Y Zhao, S Wu, M Yu, Z Zhang, X Wang, S Zhang… - Science of the Total …, 2021 - Elsevier
… dredged and algae accumulated areas in a eutrophic lake in … Iron was principally stored in
the sediments as Fe sulfide … Furthermore, high levels of pyrite-S accumulation indicated the …

Coupling oxidation of acid volatile sulfide, ferrous iron, and ammonia nitrogen from black-odorous sediment via autotrophic denitrification-anammox by nitrate addition

Y Mai, Y Liang, M Cheng, Z He, G Yu - Science of the Total Environment, 2021 - Elsevier
… In this work, the accumulation of nitrite was the key point of … in all systems due to the
accumulation of nitrite and the presence … With nitrite accumulation in the first 20 days, the …