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 …

Trace metal substitution in marine phytoplankton

FMM Morel, PJ Lam, MA Saito - Annual Review of Earth and …, 2020 - annualreviews.org
The sinking of organic matter to the deep ocean leaves extremely low concentrations of
major and trace nutrients for photosynthetic organisms at the sunlit surface. As a result …

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 …

Particulate trace metal sources, cycling, and distributions on the southwest African shelf

AA Al‐Hashem, AJ Beck, S Krisch… - Global …, 2022 - Wiley Online Library
We present labile (L‐pTM) and refractory (R‐pTM) particulate trace metal distributions of Fe,
Mn, Al, Ti, Co, Zn, Cd, Ni, Pb, Cu, and P for a transect along the southwest African shelf and …

Metal release from manganese nodules in anoxic seawater and implications for deep-sea mining dewatering operations

Y Xiang, JM Steffen, PJ Lam, A Gartman, K Mizell… - ACS Es&t …, 2024 - ACS Publications
The potential mining of deep-sea polymetallic nodules has been gaining increasing
attention due to their enrichment in metals essential for a low-carbon future. To date, there …

Distinct basin-scale-distributions of aluminum, manganese, cobalt, and lead in the North Pacific Ocean

L Zheng, T Minami, W Konagaya, CY Chan… - … et Cosmochimica Acta, 2019 - Elsevier
Abstract Aluminum (Al), manganese (Mn), cobalt (Co), and lead (Pb) are key trace elements
in seawater and thus significant in chemical oceanography research. However, although all …

[HTML][HTML] Major processes of the dissolved cobalt cycle in the North and equatorial Pacific Ocean

R Chmiel, N Lanning, A Laubach, JM Lee… - …, 2022 - bg.copernicus.org
Over the past decade, the GEOTRACES and wider trace metal geochemical community has
made substantial contributions towards constraining the marine cobalt (Co) cycle and its …

Characterization of the vertical size distribution, composition and chemical properties of dissolved organic matter in the (ultra) oligotrophic Pacific Ocean through a …

P Fourrier, G Dulaquais, C Guigue, P Giamarchi… - Marine Chemistry, 2022 - Elsevier
This work presents a multi-analytical approach for the characterization of marine dissolved
organic matter (DOM). The determination of marine dissolved organic carbon (DOC) was …

[HTML][HTML] Elevated sources of cobalt in the Arctic Ocean

RM Bundy, A Tagliabue, NJ Hawco, PL Morton… - …, 2020 - bg.copernicus.org
Cobalt (Co) is an important bioactive trace metal that is the metal cofactor in cobalamin
(vitamin B 12) which can limit or co-limit phytoplankton growth in many regions of the ocean …

Minimal cobalt metabolism in the marine cyanobacterium Prochlorococcus

NJ Hawco, MM McIlvin, RM Bundy… - Proceedings of the …, 2020 - National Acad Sciences
Despite very low concentrations of cobalt in marine waters, cyanobacteria in the genus
Prochlorococcus retain the genetic machinery for the synthesis and use of cobalt-bearing …