Description
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.
Note: Click the below fields for more information about Irminger Sea Array.
Location and SamplingLocation: 60°N, 39°W
Water Depth: 2800 meters
Platform Types
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 to the Mesoscale
Flanking Moorings
Station Summary
The global component of the OOI design includes a network of buoys at critical, yet undersampled, high-latitude locations such as within the Irminger Sea, southeast of Greenland. Buoys located in theIrminger 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 through the top 1500 m of the water column. A subsurface 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 moorings will be deployed to form a triangular array ~50 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, 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 multidisciplinary sensor suites will be commandable to alter their sampling patterns.
Detailed Infrastructure Tables
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Surface Mooring
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Hybrid Mooring
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Flanking Moorings
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Mobile Assets – Gliders
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