GEOTRACES

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

News

The 2025 GEOTRACES Summer School was a great success!

Held from 17 to 21 November 2025 in Cape Town, South Africa, the 2025 GEOTRACES Summer School welcomed 34 students and 19 lecturers for five days of intensive training in […]

Recording Available: Launch of the GEOTRACES Intermediate Data Product 2025!

Missed the GEOTRACES IDP2025 launch? The full event and individual talk recordings are now available!

GEOTRACES Science Exchange Event at AGU 2025

Monday, 15 December 2024, 14h15 – 15h45 CST, New Orleans Convention Center, USA

GEOTRACES session at EGU 2026

Submit an abstract before 15 January 2026, 13:00 CET.

Call for Expressions of Interest: Antarctica InSync Trace Metals & Microbes Working Group

A virtual planning meeting will be held on Wednesday, 22 October, 13:00–14:00 BST (UTC+1)

Register Now! Launch of GEOTRACES Intermediate Data Product 2025!

Register for the IDP2025 launch webinars by 17 November!

Science Highlights

Long-range transport of iron via the Agulhas Current and counter-current: a boon for the phytoplankton

Authors establish that significant iron fertilisation via the Agulhas current explains the Indian Subantarctic blooms.

Hydrothermal activity detected above the ultra-slow South West Indian Ridge, using a multi-proxy approach

Baudet and colleagues demonstrate the occurrence of hydrothermal venting on the Southwest Indian Ridge…

To Ba or not to Ba: Evaluating water column excess particulate barium as a proxy for water column respiration

Rahman and co-workers examine the relationship between excess particulate barium and organic matter respiration in the water column…

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