Optical Backscattering metre (OBS)

Optical Backscattering metre (OBS)

An instrument built by Downing Associates and used to obtain in-situ measurements of light scattering in sea water. This measurement also provides a crude measure of the particle abundance in the water. The instrument works by projecting a beam of light into the water and measuring the amount of light scattered back to a detector place next to the source. The LSS is a similar instrument.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Physical oceanography
Company: Texas A&M University
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Optical Backscattering Meter (OBS)

Earth science; Physical oceanography

An instrument built by Downing Associates and used to obtain in-situ measurements of light scattering in sea water. This measurement also provides a crude measure of the particle ...

oceanography

Earth science; Physical oceanography

The scientific study and exploration of the ocean and of the plants and animals that live in it.

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The body of salt water that covers about 70 percent of the Earth's surface. The Pacific Ocean is by far the world's largest ocean.

saltwater

Earth science; Physical oceanography

Containing water that is very salty. Oceans are saltwater bodies that are fed mainly by rivers.

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Earth science; Physical oceanography

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Earth science; Physical oceanography

A dimensionless number expressing the ratio of turbulent energy lost to buoyant forces to the energy gained by eddy stress acting on the mean shear. It is the crucial ...

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