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Professor Emeritus in Oceanography, Dalhousie University. 🇨🇦🧪🌊 I've spent a long time trying to understand and explain how the ocean works.
John J. Cullen









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I'm afraid that this is why the US administration wants to shut down ocean observations: they don't want the people to know what is happening in our oceans, as it does not fit their ideology and the interests of their fossil fuel industry funders. edition.cnn.com/2026/06/03/c...
Reposting this because I forgot 🌊 and 🧪. My point is that it is bedrock scientific fact that marine biomass for consumption is not CDR, so studies making that particular assumption should not pass peer review or due diligence. Thanks to @jaytcullen.bsky.social for the reminder.
A fundamental fact should have stopped the original publication in its tracks: The organic carbon in oyster biomass is not mCDR. We eat it, use it, and exhale most of it as CO2. That's what animals do — organic carbon in, carbon dioxide out. What we don't use goes to sewage —> greenhouse gases.
6d
As James says, this isn't even about climate. It's about all the tools, platforms, models, datasets we use to study and forecast weather and understand how it impacts people, too.
🌊 Last night, Hervé Claustre was awarded the Prince Albert I Medal for his scientific contributions to the @bgc-argo.bsky.social programme. Congratulations to him on this well-deserved honour, and a wonderful recognition for #Argo too. @imev-mer.fr @cnrs.fr @oceanomonaco.bsky.social #OneArgo
Read @agu.org's denunciation of the news here: fromtheprow.agu.org/agu-denounce...
3mo
Dismantling NCAR @ncar-ucar.bsky.social is a bad decision for many reasons. NSF’s investment in NCAR scientists, technical staff, facilities and research products supports and catalyzes atmosphere, ocean, and Earth system science across the nation and world with a substantial ROI.
"Runctitiononal features"? "Medical fymblal"? "1 Tol Line storee"? This gets worse the longer you look at it. But it's got to be good, because it was published in Nature Scientific Reports last week: www.nature.com/articles/s41... h/t @asa.tsbalans.se