deep scattering layer

American  

noun

Oceanography.

1. a zone of biological origin within the ocean, at a depth of 900–1200 feet (270–360 meters), which scatters sounding echoes.

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deep scattering layer Scientific  

/ dēp /

1. See scattering layer

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Example Sentences

Scripps Institution of Oceanography scientist Martin Johnson proposed an explanation: The deep scattering layer could be marine animals migrating up to the surface.

From Scientific American • Dec. 6, 2021

Dr. Steinberg’s experiments often take her to the high seas, where she and her team catch the critters in the deep scattering layer to study.

From Scientific American • Dec. 1, 2015

The dominant feature in the plots rendered by acoustic queries into the benthos is still that dense, impenetrable cloud of the deep scattering layer.

From Scientific American • Dec. 1, 2015

While defense tactics are undisputedly important, it’s the immense biogeochemical impact of the organisms in the deep scattering layer that motivates the research of oceanographers using these acoustic techniques today.

From Scientific American • Dec. 1, 2015

Despite the new sonar machines developed for war ships, for a time it remained impossible to resolve the mysteries of what the deep scattering layer contained.

From Scientific American • Dec. 1, 2015