Photochemistry of iron in aquatic environments

U Lueder, BB Jørgensen, A Kappler… - … Science: Processes & …, 2020 - pubs.rsc.org
Light energy is a driver for many biogeochemical element cycles in aquatic systems. The
sunlight-induced photochemical reduction of ferric iron (Fe (III) photoreduction) to ferrous …

Natural organic matter controls metal speciation and toxicity for marine organisms: A review

L Pontoni, C La Vecchia, P Boguta, M Sirakov… - Environmental …, 2022 - Springer
Heavy metals are occurring in the aquatic environment as the result of natural or
anthropogenic inputs, and depending on concentration, availability and resilience time, they …

The transpolar drift as a source of riverine and shelf‐derived trace elements to the central Arctic Ocean

MA Charette, LE Kipp, LT Jensen… - Journal of …, 2020 - Wiley Online Library
A major surface circulation feature of the Arctic Ocean is the Transpolar Drift (TPD), a current
that transports river‐influenced shelf water from the Laptev and East Siberian Seas toward …

Siderophore production and utilization by marine bacteria in the North Pacific Ocean

J Park, BP Durham, RS Key… - Limnology and …, 2023 - Wiley Online Library
Siderophores are strong iron‐binding molecules produced and utilized by microbes to
acquire the limiting nutrient iron (Fe) from their surroundings. Despite their importance as a …

Petrobactin, a siderophore produced by Alteromonas, mediates community iron acquisition in the global ocean

LE Manck, J Park, BJ Tully, AM Poire… - The ISME …, 2022 - academic.oup.com
It is now widely accepted that siderophores play a role in marine iron biogeochemical
cycling. However, the mechanisms by which siderophores affect the availability of iron from …

Distinct siderophores contribute to iron cycling in the mesopelagic at station ALOHA

RM Bundy, RM Boiteau, C McLean… - Frontiers in Marine …, 2018 - frontiersin.org
The distribution of dissolved iron (Fe), total organic Fe-binding ligands, and siderophores
were measured between the surface and 400 m at Station ALOHA, a long term ecological …

The role of humic-type ligands in the bioavailability and stabilization of dissolved iron in the Western Tropical South Pacific Ocean

G Dulaquais, P Fourrier, C Guieu, L Mahieu… - Frontiers in Marine …, 2023 - frontiersin.org
The high N2 fixation rate observed in the Lau Basin of the western tropical South Pacific
Ocean (WTSP) is fueled by iron (Fe) released from shallow hydrothermal systems …

Recommendations for best practice for iron speciation by competitive ligand exchange adsorptive cathodic stripping voltammetry with salicylaldoxime

L Mahieu, D Omanović, H Whitby, KN Buck, S Caprara… - Marine Chemistry, 2024 - Elsevier
The method of competitive ligand exchange followed by adsorptive cathodic stripping
voltammetry (CLE-AdCSV) allows for the determination of dissolved iron (DFe) organic …

[HTML][HTML] Copper-binding ligands in the NE Pacific

H Whitby, AM Posacka, MT Maldonado… - Marine Chemistry, 2018 - Elsevier
Copper distribution and speciation were determined at stations P4 and P26 along Line P as
part of a GEOTRACES Process Study in the Northeast Pacific, at depths between 10 and …

Perspective on identifying and characterizing the processes controlling iron speciation and residence time at the atmosphere-ocean interface

N Meskhidze, C Völker, HA Al-Abadleh, K Barbeau… - Marine Chemistry, 2019 - Elsevier
It is well recognized that the atmospheric deposition of iron (Fe) affects ocean productivity,
atmospheric CO 2 uptake, ecosystem diversity, and overall climate. Despite significant …