Science

This section presents the GEOTRACES scientific activities.

 

An original approach to assess the particulate trace metal concentrations in seawater

Sohrin and co-workers propose defining particulate trace metal as the difference between total dissolvable and dissolved metals after a long storage of filtered and unfiltered acidified seawater.

05.11.2025

Constraining aerosol deposition over the global ocean by the cosmogenic beryllium-7

He and co-workers propose a global estimate of aerosol deposition onto the ocean using the cosmogenic radionuclide beryllium-7

04.11.2025

Oceanic lead concentrations and isotopes mapped using explainable machine learning

Using three machine learning models, Olivelli and her colleagues generated global climatologies of lead concentrations and isotopes…

24.09.2025

Dissolved nickel sources: transformation and sinks in the Arabian Sea

Malla and co-authors present an extensive study of the distribution of dissolved nickel in the Arabian Sea.

17.09.2025

Linking cadmium cycling to phosphate dynamics in the Indian Ocean: Evidence from GEOTRACES transects

Mishra and Singh determined cadmium and phosphate concentrations along 34 complete vertical profiles in the Indian Ocean.

10.09.2025

New software enables global ocean biogeochemical modeling in Python

The newly designed tmm4py software makes biogeochemical modelling more widely accessible.

05.09.2025

Aerosol dissolution and iron isotope fractionation during atmospheric transport

Camin and co-authors present the iron concentrations and isotopic compositions of aerosols in previously undocumented areas of the Pacific Ocean.

30.07.2025

Paradoxical influence of hydrothermal methylmercury on local ecosystems

Torres Rodríguez and her colleagues investigate hydrothermal mercury inputs at the Tonga volcanic arc and their impact on local surface ocean ecosystems.

18.07.2025

Rare Earth and neodymium isotope cycles in the abyssal Pacific Ocean are shaking up the paradigm established for particle reactive tracers

Du and colleagues demonstrate the importance of the abyssal sediment source in the control of the trace element and isotopes marine distribution.

07.07.2025

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