April 23 – first SedMIP webinar

→Learn more about benthic modeling activities during the first SedMIP webinar on April 23 at 3pm – join us for a recap + summary of key points raised at the OSM26 town hall, intro to model inventory and model participation, and ways to get involved in this activity, we also are seeking speakers for this
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New pub from the Operational Phytoplankton Observations Working Group!

New publication from the Operational Phytoplankton Observations (OPO) Working Group! Citation: Clayton, S., Neeley, A., Poulton, N., et al., (2026) Operational Phytoplankton Observations Best Practices: a guide for using imaging technologies for routine monitoring of phytoplankton communities. Version 1.0.0. Woods Hole, MA, Ocean Carbon and Biogeochemistry Program, Operational Phytoplankton Observations Working Group, 96pp. DOI: https://doi.org/10.25607/OBP-2059
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Metabarcoding Intercal webinar April 9

Join us for the first Metabarcoding Intercal webinar on April 9 at 12PM ET / 9AM PT to hear from Dr. Felix Milke, University of Oldenburg, Biogeography of Microbial Cohorts in the Global Oceans Dr. Mahwash Jamy, Uppsala University, Opportunities and Challenges in Long‑Read Metabarcoding for Ecology and Evolution — This new activity has just
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GO-BGC Float Data Workshop in August 2026

SAVE THE DATE! The Global Ocean Biogeochemistry Array (GO-BGC) program will be hosting a Float Data workshop on August 17-21, 2026 at the University of Washington, Seattle, USA. The workshop will be a Hack-a-thon type workshop, where small groups will pursue a scientific question/objective using BGC-Argo data. This workshop will include a combination of an overview
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In Memoriam: Frank J. Millero

With great sadness, we share the news that Frank J. Millero passed away on December 25, 2025, at the age of 86. Frank was a titan and pioneer of marine chemistry whose foundational work on the physical chemistry of natural waters reshaped our understanding of the ocean, particularly in the areas of carbon and trace
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OCB Elects Four New SSC Members

OCB is excited to welcome the following new members to the Scientific Steering Committee: Angela Knapp (TAMU) – marine biochemistry, nitrogen fixation, dissolved organic nutrients, marine nitrogen stable isotope geochemistry Elaine Luo (UNC Charlotte) – microbial ecology, computational biology, metagenomics   David Harning (CU Boulder) – paleoclimatology, geochemistry, carbon burial, Arctic climate change, carbon dioxide
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New BECS publication!

The BECS WG paper Elucidating the Role of Marine Benthic Carbon in a Changing World was just published in Global Biogeochemical Cycles. Schultz, C., Luo, J. Y., Brady, D. C., Fulweiler, R. W., Long, M. H., Petrik, C. M., et al. (2025). Elucidating the role of marine benthic carbon in a changing world. Global Biogeochemical
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