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


Departure of the second leg of US GEOTRACES cruise GP17 in the Southern Ocean

It will complete the GP17 section.

Report on Future Directions for Southern Ocean and Antarctic Coastal Research of the US National Academy

A free copy of the report is available to download and a Town Hall will be held at AGU.

Call for 2024 SCOR Visiting Scholars is now open!

The Scientific Committee on Oceanic Research (SCOR) is now receiving applications for the SCOR 2024 Visiting Scholar program.

The series of GEOTRACES Education videos is completed!

Watch, use and share them!

Paths Forward for Exploring Ocean Iron Fertilization – New ExOIS report released

Check out the decadal plan from the Exploring Ocean Iron Solutions (ExOIS) consortium

Successful 2023 GEOTRACES Scientific Steering Committee held in California

Thank you very much to Karen Casciotti for hosting the meeting!

Science Highlights

Lead isotopes allow tracing the processes injecting of anthropogenic lead in deep waters

This work follows the penetration of anthropogenic lead (traced using its isotopic signatures) into the pristine deep Pacific Ocean.

Challenging results on iron bioavailability in the Southern Ocean

Fourquez and co-authors conducted dissolved iron uptake experiments with Phaeocystis antarctica…

Protactinium-231 budget of the Atlantic sector of Southern Ocean

Levier and colleagues analysed dissolved and particulate protactinium-231 in samples collected in a section in the Southern Ocean…