
Check out our project’s colourful factsheet and learn how TRICUSO is delivering a roadmap for the optimal surface Ocean pCO₂...
TRICUSO (Three Research Infrastructures together: Carbon Uptake Southern Ocean) is a four-year Horizon Europe research project that seeks to enhance every level of the Southern Ocean carbon observation value chain from innovating sensor technologies and expanding observation capacities via autonomous and citizen science platforms, to data products and system governance in support of the WMO Global Greenhouse Gas Watch (G3W).
Arthur C. Clarke
Expanding observation capacity with new platforms and methods, integrating biological observations into the EU RI landscape
Innovating and miniaturising sensors for citizen science and autonomous platforms and conducting long-term trials
Synthesising data to determine the optimal way measurements from new platforms can be integrated into the observing system
Merging new field work measurements from new platforms and running simulations to assess the current model-data mismatch
Shaping an optimal governance structure for EU RIs to operate within the WMO Global Greenhouse Gas Watch
TRICUSO’s first factsheet has been designed in collaboration with members of the consortium. It provides an overview of how the project is delivering a roadmap for the optimal surface Ocean pCO2 observing system and features general project information, an outline of the science case TRICUSO is addressing and a look at the sensors and platforms being used to trial new observation design experiments.
The TRICUSO project and members of its consortium made a healthy splash in the heavily populated waters of Ocean Sciences Meeting 2026. Held in Glasgow, Scotland, this was the first time the prestigious conference took place outside the United States, and it was a welcome setting for two town halls, a co-chaired session titled The Southern Ocean Carbon Sink: processes, observations, and change and a poster talk.
TRICUSO’s first video showcases the beautiful scenery of the Antarctic region and focuses on early project stories. It features interviews with consortium scientists discussing the need to expand the capacity for observation in the Southern Ocean where an increase in data is needed to help address the discrepancy between data and models used for forecasting.
Below 40 degrees south latitude, waves rise as high as hilltops, water chills to the lowest ocean temperature on Earth, penguin communities abound on ice shelves, and tiny Antarctic krill draw massive whales to annual feasts, while serene kelp forests shelter a diverse ecosystem of unique marine life, contributing to carbon sequestration.
Journey with us to this exciting region.
"How inappropriate to call this planet Earth when it is quite clearly Ocean"
Quote from "The Ocean's Mysteries" courtesy of Arthur C. Clarke Trust

Check out our project’s colourful factsheet and learn how TRICUSO is delivering a roadmap for the optimal surface Ocean pCO₂...
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This work was funded by the European Union under grant agreement no. 101188028. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Research Executive Agency (REA). Neither the European Union nor the granting authority can be held responsible for them.