Posts by amber.coogan

During the Irminger 12 expedition, the team spotted a group of curious pilot whales near the Irminger Array. The whales approached the area during operations, providing a brief and welcome encounter for those on board. Such sightings add to the experience of working at sea and offer a reminder of the diverse marine life that…

The Irminger #12 team has completed its final mooring operation: the recovery of the Global Surface Mooring. This is the largest mooring built and deployed by the OOI Coastal and Global Scale Nodes (CGSN) team. A new Global Surface Mooring was deployed at the start of the cruise, and the recovery of the previous mooring…

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…

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…

The Coastal and Global Scale Nodes (CGSN) team (Jim Ryder, Kris Newhall, James Kuo, Dan Bogorff, and Nikki Arm) have successfully re-deployed the Hybrid Profiler Mooring (HYPM) in the Irminger Sea. Following its recent servicing, the HYPM and its Wire-Following Profiler will resume sampling nearly 2,400 meters of the water column, providing critical oceanographic data…

Following the recovery of the Hybrid Profiler Mooring (HYPM), the CGSN team conducted a full inspection of the system. All components were checked, with any old or damaged parts refurbished or replaced, before the entire mooring was rebuilt. This marks the first time the HYPM and its profiling vehicle have been serviced entirely at sea.…

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…

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…

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…

The OOI Coastal and Global Scale Nodes (CGSN) team recently completed the recovery of the Hybrid Profiler Mooring (HYPM) during the Irminger #12 cruise. The HYPM plays a key role in collecting and transmitting oceanographic data from the Irminger Sea. The mooring is equipped with a profiling vehicle that travels up and down the mooring…