Science Highlights

Some recent GEOTRACES science findings are reported below.

Dissolved manganese distribution in the Arabian Sea reveals many variable triggers

Analysis of dissolved manganese on samples collected on GEOTRACES cruises allowed Singh and colleagues to establish its basin-wide distribution in the Arabian Sea.

01.03.2023

Dissolved iron II deep concentrations re-estimated considering oxidation kinetic effets

Gonzalez-Santana and his collaborators demonstrated that the oxidation kinetic of the samples combined with analysis of triplicate subsamples led iron (II) concentrations to decrease with time.

Do you want to know more about iron and its isotopes? This review is for you!

Authors present a comprehensive review of iron and iron isotope sources, internal cycling, and sinks in the ocean.

10.02.2023

Actinium-227 distribution traces at least three processes in the North Atlantic Ocean

Le Roy and colleagues report an oceanic section of Actinium-227 in the North Atlantic Ocean.

09.02.2023

Transient tracers, water mass ages and mixing time scales in the Arctic Ocean

Smith and colleagues determined iodine-129, chlorofluorocarbons and sulfur hexafluoride during three GEOTRACES cruises in the Arctic Ocean.

07.02.2023

Terrestrial iron inputs and reverse weathering in the Amazon mouth

Understanding the key processes that condition the net input of chemical species to the ocean is an important challenge…

01.02.2023

Tracing dust deposition with aluminium and silicate at a resolution never reached before

Benaltabet and his colleagues propose a study of the dissolved aluminium and silicate fate in the Gulf of Aqaba (Red Sea).

24.01.2023

Different fates of four poorly soluble trace elements in the Pacific Ocean

Zheng and co-authors present the full-depth distributions of aluminum, lead, manganese and copper in the western South Pacific.

24.11.2022

Internal tides, energetic dynamical processes that generate particle nepheloids at different depths

In this study, Barbot and co-authors identified the sites where internal tides are responsible for sediment resuspension…

09.11.2022

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