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Life Aboard the Irminger 12 Cruise

While the primary focus of the OOI Irminger 12 cruise is deploying and servicing moorings in the North Atlantic, life at sea involves much more than operations on deck. When weather conditions temporarily halted work, members of the Coastal and Global Scale Nodes (CGSN) team made the most of their downtime — gathering around the…

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Surface to Seafloor: Deploying an OOI Surface Mooring

The process of deploying a surface mooring is a precise operation that starts at the ocean’s surface and ends 2,700 meters below on the seafloor. Two new videos from the R/V Revelle capture key moments in this deployment process. Part 1: Buoy DeploymentThe surface buoy is towed slowly behind the ship, trailing more than 3…

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Global Surface Mooring Successfully Deployed in the North Atlantic

The OOI Coastal and Global Scale Nodes (CGSN) team has successfully deployed the Global Surface Mooring (GSM) as part of the ongoing Irminger Sea Array operations. The GSM is equipped with a suite of meteorological, oceanographic, and biological sensors, designed to collect continuous data from the atmosphere, ocean surface, and throughout the water column. This…

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Gliders Deployed and Ready for Action

The Coastal and Global Scale Nodes (CGSN) team has officially arrived at the Irminger Array, marking a major milestone in this year’s field season. First up on the operational checklist? Glider deployment. Two autonomous underwater gliders were successfully launched and are now running in a holding pattern near the array. These sleek, torpedo-shaped robots are…

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OOI Team Recovers UK BGC-Argo Float During Transit

During transit to the Irminger Array, the crew of the R/V Revelle and the OOI Coastal and Global Scale Nodes (CGSN) team successfully recovered a BGC-Argo float on behalf of the UK National Oceanography Centre (UK NOC). The float, deployed in 2024, had been collecting biogeochemical profiles focused on the biological carbon pump, along with…

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Off to a Strong Start: Irminger 12 Begins with Calm Seas and Key Wins

The R/V Roger Revelle departed Reykjavík on July 18 after several days of mobilization and gear loading, including reassembly and testing of the Surface and HYPM moorings. With the surface buoy secured and burn-in restarted, final checks were completed and the team got underway. Transit to the array site (July 18-20) was smooth, with calm…

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Successful Completion of Papa Array Operations

On the final day of operations at the Papa Array, NOAA-PMEL and UW-APL teams conducted final inspections of the surface and Waverider moorings to verify performance before departing the site. All moorings at the Papa Array, including OOI-CGSN subsurface moorings, are fully operational and transmitting data. Congrats to the team on a successful expedition!

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SR2511 Cruise Complete – Wrapping Up Spring 2025 Endurance Turn

The Spring 2025 Coastal Endurance Array Turn Cruise (SR2511) has officially concluded. On the evening of May 29, the R/V Sally Ride docked at OSU Ship Operations in Newport around 21:30 PDT, marking the end of a successful three-leg expedition. Final recovery operations included: Oregon Shelf Coastal Surface Piercing Profiler (CE02SHSP-00039) WireWalker profiler Oregon Shelf…

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Cruise Update – SKQ202511S (May 29-30)

The final two days of Cruise #SKQ202511S wrapped up with successful recoveries and smooth operations. On May 29, the team conducted a 4,100m CTD cast and acoustic data download at site FLMA-11. All instruments were operational. This was followed by the final OOI mooring recovery at the same site, completed without issue. While transiting to…

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