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
- 50°N, 145°W
Approximate Water Depth:
- 4,250 meters
Glider sampling area (approximate):
- Within/between the triangular mooring configuration with sides ~44 km long.
Description of Infrastructure
- One Global Hybrid Profiler mooring with two wire-following profilers and one surface piercing profiler
- 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
The global component of the OOI design includes a network of moorings at critical, yet under-sampled, high-latitude locations such as Station Papa in the North Pacific. The array at Station Papa will be occupied in collaboration with the National Oceanic and Atmospheric Administration (NOAA), which maintains a surface mooring there. As one of the oldest oceanic time series sites, with surveying conducted in the area since 1949, Station Papa has been an important location in the global network of OceanSITES. OOI will add to the existing infrastructure at Station Papa by adding three additional moorings to the area as well as mobile platforms (gliders) that will sample in the space between the moorings. The array will be composed of a subsurface Global Hybrid Profiler Mooring made up of two types of profilers: a surface piercing profiler operating from ~150 m to the surface, allowing satellite data telemetry, and two wire following profilers, one operating from 310 m to 2,170 m and the other 2,195 m to 4,060 m. Two additional subsurface Mesoscale Flanking Moorings will be deployed to form a triangular array ~44 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 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.
Station Papa Deployment Schedule
Click the below links for individual Instrument Tables
Click the below links for High-Level Technical Drawings
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