Novel insights into marine iron biogeochemistry from iron isotopes

JN Fitzsimmons, TM Conway - Annual Review of Marine …, 2023 - annualreviews.org
The micronutrient iron plays a major role in setting the magnitude and distribution of primary
production across the global ocean. As such, an understanding of the sources, sinks, and …

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 …

Size-fractionated distributions of suspended particle concentration and major phase composition from the US GEOTRACES Eastern Pacific Zonal Transect (GP16)

PJ Lam, JM Lee, MI Heller, S Mehic, Y **ang, NR Bates - Marine Chemistry, 2018 - Elsevier
Marine particles play key roles in the cycling of most elements in the ocean. Here we present
full water column sections of size-fractionated (1–51 μm;> 51 μm) concentrations of …

Sediment release in the Benguela Upwelling System dominates trace metal input to the shelf and eastern South Atlantic Ocean

T Liu, S Krisch, RC **e, MJ Hopwood… - Global …, 2022 - Wiley Online Library
Upwelling of subsurface waters injects macronutrients (fixed N, P, and Si) and micronutrient
trace metals (TMs) into surface waters supporting elevated primary production in Eastern …

Non-traditional stable isotopic analysis for source tracing of atmospheric particulate matter

P Zuo, Y Huang, J Bi, W Wang, W Li, D Lu… - TrAC Trends in …, 2023 - Elsevier
Atmospheric particulate matter (PM) pollution is one of the most serious global
environmental problems, regarded to be associated with a wide range of diseases, eg …

Pervasive sources of isotopically light zinc in the North Atlantic Ocean

N Lemaitre, GF de Souza, C Archer, RM Wang… - Earth and Planetary …, 2020 - Elsevier
In this study, we report seawater dissolved zinc (Zn) concentration and isotope composition
(δ 66 Zn) from the GEOTRACES GA01 (GEOVIDE) section in the North Atlantic. Across the …

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 …

[HTML][HTML] The meaning of carbonate Zn isotope records: Constraints from a detailed geochemical and isotope study of bulk deep-sea carbonates

K Müsing, MO Clarkson, D Vance - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Studies of the zinc isotope (δ 66 Zn) composition of the past ocean often exploit the bulk
carbonate sediment as an archive. The relationship of bulk carbonate δ 66 Zn to seawater …

An iron cycle cascade governs the response of equatorial Pacific ecosystems to climate change

A Tagliabue, N Barrier, H Du Pontavice… - Global Change …, 2020 - Wiley Online Library
Abstract Earth System Models project that global climate change will reduce ocean net
primary production (NPP), upper trophic level biota biomass and potential fisheries catches …