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Cabled observatories are seabed
oceanographic Oceanography (), also known as oceanology and ocean science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics ...
research platforms connected to the surface by undersea cables. Such cables supply both power and telecommunications to
instruments Instrument may refer to: Science and technology * Flight instruments, the devices used to measure the speed, altitude, and pertinent flight angles of various kinds of aircraft * Laboratory equipment, the measuring tools used in a scientific l ...
. By removing the limitations of undersea power sources and sonar or RF communications, cabled observatories allow persistent study of underwater phenomena.Woods Hole Oceanographic Institute page
/ref> A single cable can support multiple observation sites via individual "drops;"Vendor description (Oceanworks)
/ref> multiple or branching cables may then provide data in 2D or 3D. The extent of coverage is limited by the high cost of laying dedicated undersea cable. Initial experiments used abandoned communications cables; efforts are in progress to extend observations at lower cost by accessing more such cables. Despite their advantages, cabled observatories can (and do) relay compromised data to scientists, particularly when located in remote parts of the ocean. Factors such as instrumental malfunction and biofouling are often responsible for this. Systematic improvements, to lessen the impacts of such factors, are currently being studied by groups such as
Ocean Networks Canada Ocean Networks Canada is a University of Victoria initiative that operates the NEPTUNE and VENUS cabled ocean observatories in the northeast Pacific Ocean and the Salish Sea. Additionally, Ocean Networks Canada operates smaller community-based ob ...
.


List of cabled observatories

* Monterey Accelerated Research System (MARS) *
NEPTUNE Neptune is the eighth planet from the Sun and the farthest known planet in the Solar System. It is the fourth-largest planet in the Solar System by diameter, the third-most-massive planet, and the densest giant planet. It is 17 time ...
*
VENUS Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never f ...
* Liquid Jungle Lab (LJL) Panama- PLUTO * (Hawaii-2 Observatory)- early experimen

*ALOH

*ESONET
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* Ocean Observatories Initiative Cabled Array * Exploration & Remote Instrumentation by Students (ERIS)


See also

*
Mooring (oceanography) sediment traps and current meters --> A mooring in oceanography is a collection of devices connected to a wire and anchored on the sea floor. It is the ''Lagrangian and Eulerian specification of the flow field, Eulerian way'' of measuring ocean c ...
*
Benthic lander Benthic landers are observational platforms that sit on the seabed or benthic zone to record physical, chemical or biological activity. The landers are autonomous and have deployment durations from a few days (for biological studies) to several ...


References

Oceanography Oceanographic instrumentation Submarine communications cables {{Ocean-stub