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GEOTRACES @geotraces.bsky.social · 24/09/2026

✨ Don’t miss it! 🌊 Join us this Tuesday, 29 September, for an exciting seminar. 👇 👇 👇

GEOTRACES @geotraces.bsky.social · 14/09/2026

✨ GEOTRACES Online Seminar #5 - 29 September 15:00 CEST✨ 🌊 Biogeochemical Cycling of Redox-Sensitive Metals in Oxygen Minimum Zones Speakers: Prof. James W. Moffett (U. of Southern California, USA) & Jessalyn E. Davis (U. of Washington, USA) Moderator: Dr. Yang Xiang (Louisiana State U., USA)

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GEOTRACES @geotraces.bsky.social · 14/09/2026

New job opportunity published on the GEOTRACES site! 🌊 Lecturer in Climate Science, University College London, UK www.geotraces.org/lecturer-in-... #ScienceJobs #geochemistry #ClimateChange #Lecturer @scor-int.bsky.social

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GEOTRACES @geotraces.bsky.social · 11/09/2026

New job opportunity posted on the GEOTRACES site! 🌊 Post-Doctoral Research Fellow or Researcher, University of Plymouth, UK www.jobs.ac.uk/job/DSU877/p... #sciencejobs #Postdoc #geochemistry @scor-int.bsky.social

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GEOTRACES @geotraces.bsky.social · 02/09/2026

✨New GEOTRACES Science Highlight!✨🌊 Another step towards replacing NOBIAS Chelate PA-1 www.geotraces.org/another-step... Paper first author: Naoya Kanna, The University of Tokyo @scor-int.bsky.social #OceanScience #MarineScience

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GEOTRACES @geotraces.bsky.social · 02/09/2026

New GEOTRACES Science Highlight! 🌊 Neodymium budget in the Arabian Sea is governed by a combination of water mass advection and dominant boundary exchange processes www.geotraces.org/neodymium-bu... Paper first author: Damodararao Karri, CSIR-NIO #oceanscience #marinescience #tracemetals

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GEOTRACES @geotraces.bsky.social · 31/08/2026

✨New GEOTRACES Science Highlight!✨ 🌊 Cesium isotopes confirm that hydrogenetic iron-manganese crusts are precipitating from the oxygen minimum zone to abyssal depths www.geotraces.org/cesium-isoto... Paper first author: Wenshuai Li #tracemetals #oceanscience #marinescience @scor-int.bsky.social

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GEOTRACES @geotraces.bsky.social · 31/08/2026

✨ Job opportunity! ✨ 🌊 Lab Manager, Fitzsimmons Chemical Oceanography group, Texas A&M University, USA www.geotraces.org/lab-manager-... #ScienceJobs #Jobs #Chemical #Oceanography #Geochemistry #MarineScience #OceanScience

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GEOTRACES @geotraces.bsky.social · 24/07/2026

📆 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)

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European Geosciences Union (EGU) @egu.eu · 21/07/2026

Are you a higher education teacher with #geoscience teaching #materials 📚💻to share? Why not apply for the #EGU 2026 Tertiary Education Geoscience Teaching Materials Award and receive up to €1000? 📆 Apply by 27 July 2026 Learn more here: egu.eu/95J8WA 📷 Vincent Felde on imaggeo.egu.eu

Image description: Rocky outcrops of limestone in a natural landscape. Text reads:''EGU’s 2026 Tertiary Education Geoscience Teaching Materials Award! Applications are open! Apply by 27 July 2026''.

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GEOTRACES @geotraces.bsky.social · 21/07/2026

✨ 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

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GEOTRACES @geotraces.bsky.social · 21/07/2026

✨ 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

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Cliff Buck @tracemetalclean.bsky.social · 01/07/2026

Thanks @geotraces.bsky.social for the invitation. I enjoyed the opportunity to discuss atmospheric deposition as part their seminar series. I provided a 'brief' overview and then Dr P Panda followed with his work in the Southern Ocean. 🌊 www.youtube.com/watch?v=VGVb... @universityofga.bsky.social

youtube.com

2026 GEOTRACES Online Seminar #3 - Atmospheric aerosol deposition to the global ocean

YouTube video by GEOTRACES IPO

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GEOTRACES @geotraces.bsky.social · 16/07/2026

✨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

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GEOTRACES @geotraces.bsky.social · 24/06/2026

✨ 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

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GEOTRACES @geotraces.bsky.social · 17/06/2026

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

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Cliff Buck @tracemetalclean.bsky.social · 15/06/2026

I'll be speaking about atmospheric deposition later this month as part of the @geotraces.bsky.social online seminar series. I'll cover everything we know and don't know in a brisk 20 minutes!🌊 www.geotraces.org/online-semin...

geotraces.org

GEOTRACES Online Seminar Series 2026 – GEOTRACES

An International Study of the Marine Biogeochemical Cycles of Trace Elements and Isotopes - Trace Element data available including an on-line Atlas eGEOTRACES

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European Geosciences Union (EGU) @egu.eu · 15/06/2026

Now it's time to nominate your friends and colleagues for an #award or #medal, with about 50 medals and awards to choose from. 📆 Submit by 15 June 2026! 👀 Learn more about the nomination requirements here: egu.eu/825VD3 📸: Camilo Arias Ruiz on imaggeo.egu.eu

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GEOTRACES @geotraces.bsky.social · 15/06/2026

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

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GEOTRACES @geotraces.bsky.social · 11/06/2026

✨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

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GEOTRACES @geotraces.bsky.social · 11/06/2026

✨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

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GEOTRACES @geotraces.bsky.social · 08/06/2026

✨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

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GEOTRACES @geotraces.bsky.social · 05/06/2026

✨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

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GEOTRACES @geotraces.bsky.social · 03/06/2026

✨ 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

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GEOTRACES @geotraces.bsky.social · 28/05/2026

✨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

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GEOTRACES @geotraces.bsky.social · 28/05/2026

🌟Missed the live seminar on Trace metal input in polar environments 🌊 The recording is now available to watch anytime. 👇 Access it here: youtu.be/RCPCBOiYw-k

youtu.be

2026 GEOTRACES Online Seminar #2 - Trace metal input in polar environments

YouTube video by GEOTRACES IPO

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GEOTRACES @geotraces.bsky.social · 19/05/2026

🌊 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

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GEOTRACES @geotraces.bsky.social · 12/05/2026

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

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GEOTRACES @geotraces.bsky.social · 05/05/2026

Missed the seminar? 🌊 You can still watch it anytime! Here’s the recording: 👉 youtu.be/u_0TJkBe_Uk

youtu.be

2026 GEOTRACES Online Seminar #1 - Data synthesis, modelling and integration

YouTube video by GEOTRACES IPO

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GEOTRACES @geotraces.bsky.social · 15/04/2026

📢 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

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GEOTRACES @geotraces.bsky.social · 15/04/2026

🌊 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

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GEOTRACES @geotraces.bsky.social · 10/04/2026

✨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

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GEOTRACES @geotraces.bsky.social · 31/03/2026

✨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

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GEOTRACES @geotraces.bsky.social · 26/03/2026

✨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

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GEOTRACES @geotraces.bsky.social · 11/03/2026

🌟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

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GEOTRACES @geotraces.bsky.social · 18/02/2026

✨ 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

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GEOTRACES @geotraces.bsky.social · 16/02/2026

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

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GEOTRACES @geotraces.bsky.social · 10/02/2026

🌊 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

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GEOTRACES @geotraces.bsky.social · 26/01/2026

✨ 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

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GEOTRACES @geotraces.bsky.social · 21/01/2026

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

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GEOTRACES @geotraces.bsky.social · 19/01/2026

✨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

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David Ho @davidho.bsky.social · 07/01/2026

I say this in all seriousness: Someone should nominate @andrewdessler.com for The Athelstan Spilhaus Award. The @geotraces.bsky.social community should nominate Bob Anderson for The Ambassador Award. Ahem, @altagliabue.bsky.social.

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GEOTRACES @geotraces.bsky.social · 05/01/2026

✨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

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Mark Hopwood @markinchina.bsky.social · 19/12/2025

The Arctic is sparsely populated but still functions as a sink for a large amount of the Pb humans have released into the environment. Atlantic water doesn't only carry heat into the Arctic, but also Pb from European/American industry @geotraces.bsky.social 🌊 www.nature.com/articles/s41...

nature.com

The Arctic Ocean is a net sink for anthropogenic lead deposited into the Atlantic Ocean - Nature Communications

Humans released millions of tons of toxic Pb into the air. The authors show that the Arctic Ocean is a sink for Pb emissions in North America and Eurasia that deposited into the North Atlantic Ocean l...

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GEOTRACES @geotraces.bsky.social · 17/12/2025

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

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