An International Study of the Marine Biogeochemical Cycles of Trace Elements and Isotopes


The Japanese GEOTRACES GP22 cruise is sailing in the western North Pacific Ocean

It will reveal the full-depth profiles of trace elements and their isotopes in the western North Pacific.

New Publication from GEOTRACES in a UN Ocean Decade Special Issue

GEOTRACES contributed to a special issue focused on the UN Decade of Ocean Science for Sustainable Development.

Pursuit and Decay: a Graphic Story about the Journey of Carbon in the Ocean

A graphic story depicting the journey of carbon from the atmosphere to the deep ocean by Laurie Kaplowitz and Jennifer Kenyon.

New Special Issue: Atmospheric deposition in the low-nutrient-low-chlorophyll ocean

The special issue presenting the results obtained during the PEACETIME process study cruise is now available!


It will take place in Plouzané (France) from 19th to 21st of September 2022.

Do not wait to submit your data for the next GEOTRACES Intermediate Data Product!

The Standards and Intercalibration Committee as well as the GDAC are reviewing and processing data on an ongoing basis.

Science Highlights

The most important thorium-234 disequilibrium compilation you ever saw

Elena Ceballos-Romero and her colleagues propose a comprehensive global oceanic compilation of Thorium-234 measurements.

Machine learning approach led to the first iron climatology

Huang and co-workers propose the first data-driven surface-to-seafloor dissolved iron climatology.

Insight on the aluminium cycling during the inter-monsoon period in the Arabian Sea and Equatorial Indian Ocean

Full vertical water column profiles were established by Singh and Singh along the GI05 transect in the Indian Ocean during the fall inter-monsoon period in 2015.