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What is OOI?

The Ocean Observatories Initiative (OOI) is a science-driven ocean observing network that delivers real-time data from more than 800 instruments to address critical science questions regarding the world’s oceans. 

Funded by the National Science Foundation to encourage scientific investigation, OOI data are freely available online to anyone with an Internet connection. 

Global Station Papa Array Regional Cabled Array Coastal Endurance Array Global Southern Ocean Array Global Irminger Sea Array Coastal Pioneer Array Global Argentine Basin Array
The OOI has three major observatory elements linked together by instrument, infrastructure, and an information management system.

  • Global Ocean Arrays
  • Regional Cabled Arrays
  • Coastal Arrays

Learn more

Image of the week

Two teams of OOI scientists and engineers spent time aboard the R/V Thomas G. Thompson in the Pacific Ocean in summer 2020 to service the Coastal Endurance Array, followed by a trip to service the Regional Cabled Array.  The ship is a workhorse.  It was photographed here returning to port in Seattle, Washington on 8 May 2020, after 823 days at sea. Credit: James Tilley, University of Washington, Applied Physics Laboratory.

The Pioneer Array Inshore Surface Mooring (ISSM) at sea just after deployment from the R/V Knorr on 14 December 2014. Credit: Al Plueddemann, WHOI/CGSN

OOI brings data to your doorstep, without ever having to go to sea. Opportunities exist to customize its data, by adding instruments or platforms to the existing infrastructure, proposing additional sampling, participating in cruises, or simply exploring real-time data to answer scientific questions.  Explore the ways you can participate in the OOI.

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Sustained data to power your research