Biogeochemical cycling of dissolved manganese in the Arabian Sea

ND Singh, SK Singh, N Malla, V Chinni - Geochimica et Cosmochimica Acta, 2023 - Elsevier
The study of marine biogeochemical cycling of Mn, a bio-essential trace metal, is crucial to
decipher its relative role in controlling the production and diversity of marine phytoplankton …

Carbon Cycling in Marine Particles Based on Inorganic and Organic Stable Isotopes

S Dong, FJ Pavia, AV Subhas, WR Gray… - … et Cosmochimica Acta, 2025 - Elsevier
The marine carbon cycle has a central role in biogeochemical cycling and a close
interaction with the climate system. Here, we use the stable carbon isotope (δ 13 C) of …

The role of seasonal hypoxia and benthic boundary layer exchange on iron redox cycling on the Oregon shelf

N Evans, AE Floback, J Gaffney… - Limnology and …, 2024 - Wiley Online Library
Widespread hypoxia occurs seasonally across the Oregon continental shelf, and the
duration, intensity, and frequency of hypoxic events have increased in recent years. In …

More than deoxygenation: Linking iodate reduction to nitrogen, iron, and sulfur chemistry in reducing regimes

N Evans, E Johnson, A Taing… - Journal of …, 2024 - Wiley Online Library
A striking feature of Oxygen Deficient Zones (ODZs) on the eastern boundary of the Pacific
Ocean are large subsurface plumes of iodide. Throughout the oceans, iodate is the …

Age, metabolisms, and potential origin of dominant anammox bacteria in the global oxygen-deficient zones

R Zhao, IH Zhang, A Jayakumar, BB Ward… - ISME …, 2024 - academic.oup.com
Anammox bacteria inhabiting oxygen-deficient zones (ODZs) are a major functional group
mediating fixed nitrogen loss in the global ocean. However, many basic questions regarding …

Sample preservation methods for nitrous oxide concentration and isotope ratio measurements in aquatic environments

C Frey, W Tang, BB Ward… - Limnology and …, 2024 - Wiley Online Library
The nitrogen (N) and oxygen (O) stable isotope analysis of dissolved nitrous oxide (N2O)
can provide important constraints on the sources and cycling of N2O in aquatic …

Iron oxidation in the nitrogenous oxygen deficient zone of the eastern tropical North Pacific Ocean

KM Bolster, JW Moffett - Journal of Geophysical Research …, 2024 - Wiley Online Library
Oxygen deficient zones (ODZs) contain elevated concentrations of dissolved, reduced iron
(Fe (II)), presumably sourced from shelf sediments. As that Fe (II) is transported offshore, it is …

Origin, age, and metabolisms of dominant anammox bacteria in the global oxygen deficient zones

R Zhao, IH Zhang, A Jayakumar, BB Ward, AR Babbin - bioRxiv, 2023 - biorxiv.org
Anammox bacteria inhabiting oxygen deficient zones (ODZs) are a major functional group
mediating fixed nitrogen loss and thus exerting a critical control on the nitrogen budget in the …

Trace element composition of modern planktic foraminifera from an oxygen minimum zone: Potential proxies for an enigmatic environment

CV Davis, S Doherty, J Fehrenbacher… - Frontiers in Marine …, 2023 - frontiersin.org
Oxygen limited marine environments, such as oxygen minimum zones, are of profound
importance for global nutrient cycling and vertical habitat availability. While it is understood …