📆 Mark your calendar! The GEOTRACES seminar series resumes in August! 🌊 August 25, 2026 @ 15:00 CEST Topic: Particle dynamics, scavenging & aggregation Moderator: Nolwenn Lemaitre Speakers: Christopher Hayes (University of Southern Mississippi) & Yang Xiang (Louisiana State University)

✨ New GEOTRACES Science Highlight! ✨ 🌊 23 Million Years of iron sources reconstructed in the Northwest Pacific Ocean using iron isotopes in a ferromanganese crust www.geotraces.org/23-million-y... Paper first author: Yongzhi Chu, Shanghai Jiao Tong University @scor-int.bsky.social #OceanScience

✨ New GEOTRACES Science Highlight! ✨ 🌊 Variability of the past deep-water masses in the Arabian Sea over the last 41ka lnkd.in/eHYiXfj5 Paper first author: Arvind Shukla (Ph.D.), CSIR-NIO @scor-int.bsky.social #Isotopes #OceanScience #marinescience #tracemetals

✨New GEOTRACES Science Highlight! ✨ 🌊 Arctic outflows to Davis Strait and the Labrador Sea traced by radionuclide distributions geotraces.org/arctic-outfl... Paper first author: Lisa Leist, ETH-Zurich @scor-int.bsky.social @unoceandecade.bsky.social #isotopes #oceanscience #marinescience

✨ New GEOTRACES Science Highlight! 🌊 A refined neodymium parameter modelling study reveals differing controls on neodymium cycling in the Atlantic and Pacific Oceans www.geotraces.org/a-refined-ne... Paper first author: Paige Wise, U. Southern California @scor-int.bsky.social #oceanscience

New GEOTRACES Science Highlight! 🌊 Contraction of North Atlantic Deep Water during glacial times: a paradigm called into question www.geotraces.org/contraction-... Paper first author: Patrick Blaser, unil.bsky.social @geomarkiel.bsky.social #marinescience #paleocirculation @scor-int.bsky.social

Don't miss it! GEOTRACES Online Seminar #3 Atmospheric aerosol deposition to the global ocean 30 June 15h CEST 🌊 By Clifton Buck & Prema Piyusha Panda Moderator: Tal Benaltabet 👉 www.geotraces.org/online-semin... #oceanscience #EarlyCareerScientists @scor-int.bsky.social @solas-ipo.bsky.social

✨New GEOTRACES Science Highlight! ✨ 🌊 Magmatic activity at the Carlsberg Ridge in the Indian Ocean triggered by glacial sea-level variation www.geotraces.org/magmatic-act... Paper first author: Sayantan De, CSIR-NIO @scor-int.bsky.social #OceanScience #marinescience

✨New GEOTRACES Science Highlight! ✨ 🌊 Authigenic radiogenic neodymium isotope composition traces millennial-scale overturning circulation variability in the Arabian Sea www.geotraces.org/authigenic-r... Paper first author: Sayantan De, CSIR-NIO @scor-int.bsky.social #OceanScience #marinescience

✨New GEOTRACES Science Highlight!✨ 🌊 Zinc and lead isotopes reveal human footprint on the most remote oceanic regions www.geotraces.org/zinc-and-lea... Paper first author: Tal Benaltabet @ethz.ch @scor-int.bsky.social #tracemetals #OceanScience #isotopes #Biogeochemistry #Geochemistry

✨New GEOTRACES Science Highlight✨ 🌊 Organic binding site heterogeneity controls amorphous ferric oxy-hydroxides oceanic sink www.geotraces.org/organic-bind... Paper first author: M. Gledhill @geomarkiel.bsky.social @scor-int.bsky.social #OceanScience #MarineScience #Biogeochemistry #Geochemistry

✨ Applications are open for the GEOTRACES Early Career Scientist (ECS) Committee! ✨ 🌊 Apply by 3 July 2026: www.geotraces.org/2026-ecs-call/ Help lead and support the next generation of GEOTRACES activities! #EarlyCareerScientists #MarineSciences @scor-int.bsky.social @unoceandecade.bsky.social

✨New GEOTRACES Science Highlight!✨🌊 Microbial trace metal transport in distinct water masses of the Southern Indian Ocean www.geotraces.org/microbial-tr... Paper first author: Rui Zhang, LOMIC @scor-int.bsky.social @unoceandecade.bsky.social #OceanScience #MarineScience #TraceMetal #microbial

🌊 GEOTRACES Online Seminar #2 Topic: Trace metal input in polar environments 📅 26 May 2026 | 🕒 15:00 CEST | 💻 Zoom 🔗 geomar-de.zoom-x.de/j/6365773349... 🎤 Talks by Jon Hawkings & Laramie Jensen Moderator: Stanley Tian Join us & spread the word! @scor-int.bsky.social @unoceandecade.bsky.social

Student opportunity!!! 🌊 PhD position in "Natural radioactivity of nodules and sediments: potential drivers and implications for human safety" (d/f/m/x) at AWI-Bremerhaven, Germany www.geotraces.org/phd-position... #PhD #PhDopportunity #ScienceJobs

📢 SAVE the date! 🌊 April 28, 2026 | 15:00 CET GEOTRACES Online Seminar Series — Launch Seminar www.geotraces.org/online-semin... Join us and spread the word! #GEOTRACES #OceanScience #EarlyCareer @scor-int.bsky.social

🌊 GEOTRACES is launching an Online Seminar Series! 📅 Last Tuesday each month 🎤 Senior + #earlycareer talks 🖥️ Zoom First seminars: • Apr 28 – Data synthesis, modelling & integration • May 26 – Trace metals in polar regions • Jun 30 – Atmospheric aerosol deposition @scor-int.bsky.social

✨New GEOTRACES Science Highlight!✨🌊 Do not mourn Nobias any longer: InertSep ME-2 is coming! www.geotraces.org/do-not-mourn... @scor-int.bsky.social #marinescience #oceanscience #resin #tracemetals

✨New GEOTRACES Science Highlight!✨🌊 Tracing the origin of iron in the equatorial Pacific: an isotopic study www.geotraces.org/tracing-the-... Paper first author: Capucine Camin @utoulouse.bsky.social @scor-int.bsky.social @unoceandecade.bsky.social #oceanscience #marinescience #tracemetals

✨New GEOTRACES Science Highlight!✨🌊 Comprehensive inverse model constrains the application of beryllium-7 as a deposition tracer geotraces.org/comprehensiv... Paper first author: Paul Lerner @columbiauniversity.bsky.social #OceanScience #MarineScience #Geochemistry #TraceMetals #beryllium

🌟New GEOTRACES Science Highlight!🌟 🌊 Long-range transport of iron off the Antarctic Peninsula www.geotraces.org/long-range-t... Paper first author: Hung-An Tian, Constructor University, Alfred Wegener Institute, NIOZ @scor-int.bsky.social @unoceandecade.bsky.social #oceanscience #earlycareer

✨ New GEOTRACES Science Highlight! 🌊 ✨ When cadmium faces the Black Sea contrasting environment geotraces.org/when-cadmium... Paper first author: Alexander J. Dickson, Royal Holloway University of London #OceanScience #MarineScience #geochemistry

🌊✨ Did you miss our latest eNewsletter? ✨ 🌊 Catch up on recent GEOTRACES activities and science highlights! 👉 www.geotraces.org?na=view&id=370

🌊 GEOTRACES at #OSM2026! 🌍 Visit the SCOR Booth Attend live demo: Explore GEOTRACES data & DOoR portal - Wed 25 Feb, 14:15–15:30, SCOR Booth #97 Join sessions *Multi-tracer approaches *Coastal, Shelf, and Island Mass Effects on TE Complete program www.geotraces.org/osm26/ @scor-int.bsky.social

✨ New GEOTRACES Science Highlight! ✨🌊 Trace Element Dynamics in the Oligotrophic Northwest Pacific: Insights from the China GEOTRACES GP09 Cruise www.geotraces.org/insights-fro... @scor-int.bsky.social @unoceandecade.bsky.social #MarineScience #TraceElements #OceanScience #PacificOcean

New GEOTRACES Science Highlight! 🌊 Silicon isotopes reveal significant lithogenic input to dissolved silicon on the Kerguelen Plateau www.geotraces.org/silicon-isot... Papers first authors: Edwin Cotard and Valentin Deteix @lsce-ipsl.bsky.social @scor-int.bsky.social #oceanscience #geochemistry

✨New GEOTRACES Science Highlight! ✨ 🌊 Conservative behavior of radiogenic neodymium isotopes in the South Pacific interior 👉 www.geotraces.org/conservative... Paper first author: Zhouling Zhang @geomarkiel.bsky.social @scor-int.bsky.social #OceanScience #MarineScience #Pacific #neodymium

✨New GEOTRACES Science Highlight! ✨ 🌊 Regional zinc cycling in the Indian Ocean www.geotraces.org/regional-zin... Paper first author: Venkatesh Chinni, CSIR-NIO, India @scor-int.bsky.social @unoceandecade.bsky.social #oceanscience #marinescience #indianocean #zinc #Biogeochemistry

New GEOTRACES Science Highlight! 🌊 Contrasting organic carbon remineralisation rates revealed by particulate excess barium in the North Pcific and South China Sea www.geotraces.org/contrasting-... Paper first author: Yi Yuan, Xiamen University @scor-int.bsky.social #OceanSciences

✨New GEOTRACES Science Highlight! 🌊✨ Sedimentary controls on seawater nickel distributions and nickel isotope compositions: a two steps study www.geotraces.org/sedimentary-... Paper first author: Lena Chen University of Leeds @scor-int.bsky.social #OceanScience #nickel @unoceandecade.bsky.social