Disclaimer: All data are subject to revision without notice; exact locations of mooring sites are not yet finalized; exact depths of sensors will be determined at the time of deployment.
Location and Sampling
- 60°N, 39°W
Approximate Water Depth:
- 2,800 meters
Glider sampling area (approximate):
- Within/between the triangular mooring configuration with sides ~20 km long.
Description of Infrastructure
- One Global Surface Mooring, with battery, wind and solar powered buoy and satellite telemetry
- One Global Hybrid Profiler mooring with wire-following and surface piercing profilers
- Two subsurface Mesoscale Flanking Moorings with fixed sensors and acoustic communications to gliders
- Three gliders with extended endurance and acoustic communications
The global component of the OOI design includes a network of moorings at critical, yet under-sampled, high-latitude locations such as within the Irminger Sea, southeast of Greenland. Moorings located in the Irminger Sea will support sensors for measurement of air-sea fluxes of heat, moisture and momentum; physical, biological and chemical properties throughout the water column; and geophysical observations made on the sea-floor. The array will have a combination of horizontally fixed platforms (moorings) with moored profilers to address the requirement to sample the full water column and mobile platforms (gliders) that will provide simultaneous spatial and temporal sampling capabilities. The array will be composed of a Surface Mooring containing fixed instruments situated on the buoy and through the top 1500 m of the water column. A subsurface Global Hybrid Profiler Mooring will be situated close to the surface mooring and will be made up of two types of profilers: a surface piercing profiler operating from ~150 m to the surface, allowing for satellite data telemetry, and a wire following profiler operating from ~240 m to 2400 m. Two additional subsurface Mesoscale Flanking moorings will be deployed to form a triangular array ~20 km on a side. These flanking Moorings have their uppermost flotation at ~40 m depth and instruments at discrete depths along the mooring line. Gliders will be equipped with acoustic modems to relay data to shore via satellite telemetry and will sample within and around the triangular array. These gliders will carry sensor suites (see below) with the capability to alter sampling rates during a mission.
Irminger Sea Deployment Schedule
Click the below links for individual Instrument Tables
Click the below links for High-Level Technical Drawings
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