Updates - OOI Expedition

Busy Days At Axial Seamount

We returned to our friend Axial Seamount on Monday, August 18 – the weather and sea gods decided to be kind and we were able…

Swells Gallore

The morning of August 17th, was met with much excitement as the R/V Atlantis was scheduled to depart at 0830. The morning was filled with insuring 1)…

Leg 1 A Success!

Leg 1 of VISIONS 2025 (completed August 15) was successful in achieving all the planned science objectives, and two recovery dives at the end that…

Wind, Waves, Krill, and Seafloor Ice

Working at sea brings unique challenges. The one we commonly experience on RCA cruises is weather, specifically wind and waves. When wind and waves combine,…

V25 Leg 1 Students’ Reflections on Hydrothermal Vents

On August 8th, we visited the ASHES Hydrothermal Field near the western caldera wall of Axial Seamount. This was the first dive in the caldera…

Calm Seas and Shallow Profilers

It is hard to believe that it has only been four days since the R/V Atlantis left port. So much has happened that it has felt like…

Global Surface Mooring Captures R/V Revelle Departure

The Irminger Global Surface Mooring recently recorded a unique view – the R/V Revelle departing from the array site. Captured by the mooring’s camera system,…

Away We Go – Diving Begins

The past week has been a whirlwind of activity in preparation for departure on August 4 – all team members arrived onboard the Atlantis at the Newport…

Tear-Down Underway as Irminger Team Heads Home

The Irminger #12 team never stops. On the transit back to Reykjavik, with all field deployments and recoveries successfully completed, the OOI Coastal and Global…

Pilot Whales Visit the Irminger Array

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,…

Global Surface Mooring Recovery Marks Final Operation of Irminger Cruise

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…

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…

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….

Hybrid Profiler Mooring Successfully Re-Deploys at Irminger Sea

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…

Hybrid Profiler Mooring Serviced at Sea

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…

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…

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…

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…

Hybrid Profiler Mooring Recovered, Ready for Another Year of Ocean Observations

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…

Glider Comparisons, Acoustic Checks, and a Successful Surface Mooring Deployment

The past two days aboard the R/V Roger Revelle have been productive. After wrapping up a met survey at SUMO-11, the team returned to the…