An evolving view on biogeochemical cycling of iron
Biogeochemical cycling of iron is crucial to many environmental processes, such as ocean
productivity, carbon storage, greenhouse gas emissions and the fate of nutrients, toxic …
productivity, carbon storage, greenhouse gas emissions and the fate of nutrients, toxic …
The evolution of Earth's biogeochemical nitrogen cycle
Nitrogen is an essential nutrient for all life on Earth and it acts as a major control on
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
biological productivity in the modern ocean. Accurate reconstructions of the evolution of life …
Redox classification and calibration of redox thresholds in sedimentary systems
Existing redox classifications and the calibrations of elemental proxies to modern
environmental redox scales are in need of re-evaluation. Here, we review environmental …
environmental redox scales are in need of re-evaluation. Here, we review environmental …
A 200-million-year delay in permanent atmospheric oxygenation
The rise of atmospheric oxygen fundamentally changed the chemistry of surficial
environments and the nature of Earth's habitability. Early atmospheric oxygenation occurred …
environments and the nature of Earth's habitability. Early atmospheric oxygenation occurred …
Anaerobic methane oxidation coupled to manganese reduction by members of the Methanoperedenaceae
Anaerobic oxidation of methane (AOM) is a major biological process that reduces global
methane emission to the atmosphere. Anaerobic methanotrophic archaea (ANME) mediate …
methane emission to the atmosphere. Anaerobic methanotrophic archaea (ANME) mediate …
[HTML][HTML] Effective use of cerium anomalies as a redox proxy in carbonate-dominated marine settings
Rare earth elements and yttrium (REY) have a distinct distribution pattern in seawater, and
this pattern may be faithfully preserved in carbonate sediments and rocks. Anomalous …
this pattern may be faithfully preserved in carbonate sediments and rocks. Anomalous …
A methanotrophic archaeon couples anaerobic oxidation of methane to Fe (III) reduction
Microbially mediated anaerobic oxidation of methane (AOM) is a key process in the
regulation of methane emissions to the atmosphere. Iron can serve as an electron acceptor …
regulation of methane emissions to the atmosphere. Iron can serve as an electron acceptor …
New barrier role of iron plaque: producing interfacial hydroxyl radicals to degrade rhizosphere pollutants
FL Meng, X Zhang, Y Hu, GP Sheng - Environmental Science & …, 2023 - ACS Publications
Iron plaque, as a natural barrier between rice and soil, can reduce the accumulation of
pollutants in rice by adsorption, contributing to the safe production of rice in contaminated …
pollutants in rice by adsorption, contributing to the safe production of rice in contaminated …
Contrasting molybdenum cycling and isotopic properties in euxinic versus non-euxinic sediments and sedimentary rocks: Refining the paleoproxies
C Scott, TW Lyons - Chemical Geology, 2012 - Elsevier
The redox-sensitive transition element molybdenum is present in the Earth's crust at trace
concentrations but is abundant in seawater, marine sediments, and ancient sedimentary …
concentrations but is abundant in seawater, marine sediments, and ancient sedimentary …
The iron paleoredox proxies: A guide to the pitfalls, problems and proper practice
Oceanic anoxia—including euxinic settings defined by the presence of water column
hydrogen sulfide (H2S)—is minor in the ocean today. Such conditions, however, were …
hydrogen sulfide (H2S)—is minor in the ocean today. Such conditions, however, were …