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Abalones Ocean Bottom Station being pulled out of the water with a cable

Abalones OBS

A fully integrated system for the world's most dangerous environment.

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OBS DEPLOYMENT SYSTEM

The Abalones Ocean Bottom System combines Nanometrics’ industry leading Pegasus OBS digital recorder and Trillium OBS seismometer technologies with Scripps Institution of Oceanography’s versatile OBS deployment technology to provide a turnkey solution for deployments in shallow, intermediate, and deep water up to 6,000 m.

The modular design and low size, weight and power provide exceptional versatility in sensor and battery payload choices, and offers maximum potential for compatibility with future instruments. The versatile frame and four-channel Pegasus digital recorder are compatible with a range of three-channel seismic sensor options including, broadband seismometers, short-period geophones, strong-motion sensors, as well as recording a single channel sensor such as a differential pressure gauge (DPG) or hydrophone.

Nanometrics Abalones Ocean Bottom Station, side view and front view

COMBINING EXPERTISE

The long-standing collaboration between Nanometrics and Scripps Institution of Oceanography at UC San Diego brings together expertise in ocean science and seismic instrumentation to provide research institutes around the world with access to unparalleled seismic technologies for geophysical studies on the seafloor.

STREAMLINE LOGISTICS

Designed specifically for ocean bottom experiments, the Pegasus OBS data acquisition workflow optimizes onshore and shipboard processes to address common challenges of this demanding environment. Powerful planning tools enable pre-configuration of the digital recorder and sensors prior to boarding the ship.

BENEFITS

Robust design Stable and trawl resistant, conformal syntactic foam-based flotation frame.  
Coupling to the earth

Releases the seismometer directly onto the seafloor for optimal seismic coupling.

  
Seismometer shielding

Shielded from ocean currents to minimize unwanted environmental noise.

  

KOPRI'S RESEARCH PROGRAM

Nanometrics' ocean bottom seismometry solution, Abalones was selected to support the Korea Polar Research Institute’s (KOPRI) active ocean seismic research program. This partnership highlights Nanometrics as a trusted industry partner and innovator for ocean bottom scientific research.

Learn about KOPRI's research program
Fleet of Abalones OBS stations strapped down on the deck of a ship

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