GEOTRACES: Accelerating research on the marine biogeochemical cycles of trace elements and their isotopes

RF Anderson - Annual Review of Marine Science, 2020 - annualreviews.org
The biogeochemical cycles of trace elements and their isotopes (TEIs) constitute an active
area of oceanographic research due to their role as essential nutrients for marine organisms …

Bioactive trace metals and their isotopes as paleoproductivity proxies: An assessment using GEOTRACES‐era data

TJ Horner, SH Little, TM Conway… - Global …, 2021 - Wiley Online Library
Phytoplankton productivity and export sequester climatically significant quantities of
atmospheric carbon dioxide as particulate organic carbon through a suite of processes …

Anthropogenic iron invasion into the ocean: Results from the East Sea (Japan Sea)

H Seo, G Kim - Environmental Science & Technology, 2023 - ACS Publications
Iron (Fe) is an essential micronutrient for phytoplankton growth, and its availability limits
primary production in half of the global ocean. Traditionally, atmospheric input of natural …

Cu and Zn isotope fractionation during extreme chemical weathering

SH Little, S Munson, J Prytulak, BJ Coles… - … et Cosmochimica Acta, 2019 - Elsevier
Copper and Zn are trace metal micronutrients whose stable isotope systematics are
receiving increasing attention as possible paleoenvironmental tracers. However, to realise …

The interplay between regeneration and scavenging fluxes drives ocean iron cycling

A Tagliabue, AR Bowie, T DeVries, MJ Ellwood… - Nature …, 2019 - nature.com
Despite recent advances in observational data coverage, quantitative constraints on how
different physical and biogeochemical processes shape dissolved iron distributions remain …

GEOTRACES reflections

RF Anderson - Oceanography, 2024 - JSTOR
GEOTRACES is an international program that has benefited from contributions by
investigators in 35 nations. The program mission is to identify processes and quantify fluxes …

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 …

GEOTRACES

TM Conway, R Middag, R Schlitzer - Oceanography, 2024 - JSTOR
Dissolved iron (dFe) is an essential micronutrient for phytoplankton, with vanishingly low
oceanic dissolved concentrations (pico-to nanomoles per kg) known to limit growth—and …

Dissolved and particulate barium distributions along the US GEOTRACES North Atlantic and East Pacific Zonal Transects (GA03 and GP16): Global implications for …

S Rahman, AM Shiller, RF Anderson… - Global …, 2022 - Wiley Online Library
Processes controlling dissolved barium (dBa) were investigated along the GEOTRACES
GA03 North Atlantic and GP16 Eastern Tropical Pacific transects, which traversed similar …

Pathways and timescales of Southern Ocean hydrothermal iron and manganese transport

AJ Birchill, CA Baker, NJ Wyatt, K Pabortsava… - … Earth & Environment, 2024 - nature.com
Scarcity of iron and manganese limits the efficiency of the biological carbon pump over large
areas of the Southern Ocean. The importance of hydrothermal vents as a source of these …